import random
from framework import VppTestCase, VppTestRunner, running_extended_tests
+
+import scapy.compat
from scapy.layers.inet import IP, TCP, UDP, ICMP
from scapy.layers.inet import IPerror, TCPerror, UDPerror, ICMPerror
from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest, ICMPv6EchoReply, \
from vpp_papi import mac_pton
from syslog_rfc5424_parser import SyslogMessage, ParseError
from syslog_rfc5424_parser.constants import SyslogFacility, SyslogSeverity
-from vpp_papi_provider import SYSLOG_SEVERITY
from io import BytesIO
from vpp_papi import VppEnum
+from vpp_ip_route import VppIpRoute, VppRoutePath, FibPathType
+from vpp_neighbor import VppNeighbor
from scapy.all import bind_layers, Packet, ByteEnumField, ShortField, \
IPField, IntField, LongField, XByteField, FlagsField, FieldLenField, \
PacketListField
+from ipaddress import IPv6Network
# NAT HA protocol event data
class MethodHolder(VppTestCase):
""" NAT create capture and verify method holder """
+ @property
+ def config_flags(self):
+ return VppEnum.vl_api_nat_config_flags_t
+
+ @property
+ def SYSLOG_SEVERITY(self):
+ return VppEnum.vl_api_syslog_severity_t
+
def clear_nat44(self):
"""
Clear NAT44 configuration.
"""
if hasattr(self, 'pg7') and hasattr(self, 'pg8'):
- # I found no elegant way to do this
- self.vapi.ip_add_del_route(
- dst_address=self.pg7.remote_ip4n,
- dst_address_length=32,
- next_hop_address=self.pg7.remote_ip4n,
- next_hop_sw_if_index=self.pg7.sw_if_index,
- is_add=0)
- self.vapi.ip_add_del_route(
- dst_address=self.pg8.remote_ip4n,
- dst_address_length=32,
- next_hop_address=self.pg8.remote_ip4n,
- next_hop_sw_if_index=self.pg8.sw_if_index,
- is_add=0)
-
- for intf in [self.pg7, self.pg8]:
- self.vapi.ip_neighbor_add_del(
- intf.sw_if_index,
- intf.remote_mac,
- intf.remote_ip4,
- flags=(VppEnum.vl_api_ip_neighbor_flags_t.
- IP_API_NEIGHBOR_FLAG_STATIC),
- is_add=0)
-
if self.pg7.has_ip4_config:
self.pg7.unconfig_ip4()
- self.vapi.nat44_forwarding_enable_disable(0)
+ self.vapi.nat44_forwarding_enable_disable(enable=0)
interfaces = self.vapi.nat44_interface_addr_dump()
for intf in interfaces:
- self.vapi.nat44_add_del_interface_addr(intf.sw_if_index,
- twice_nat=intf.twice_nat,
- is_add=0)
+ self.vapi.nat44_add_del_interface_addr(
+ is_add=0,
+ sw_if_index=intf.sw_if_index,
+ flags=intf.flags)
- self.vapi.nat_ipfix_enable_disable(enable=0,
+ self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
src_port=self.ipfix_src_port,
- domain_id=self.ipfix_domain_id)
+ enable=0)
self.ipfix_src_port = 4739
self.ipfix_domain_id = 1
- self.vapi.syslog_set_filter(SYSLOG_SEVERITY.EMERG)
+ self.vapi.syslog_set_filter(
+ self.SYSLOG_SEVERITY.SYSLOG_API_SEVERITY_EMERG)
- self.vapi.nat_ha_set_listener('0.0.0.0', 0)
- self.vapi.nat_ha_set_failover('0.0.0.0', 0)
+ self.vapi.nat_ha_set_listener(ip_address='0.0.0.0', port=0,
+ path_mtu=512)
+ self.vapi.nat_ha_set_failover(ip_address='0.0.0.0', port=0,
+ session_refresh_interval=10)
interfaces = self.vapi.nat44_interface_dump()
for intf in interfaces:
- if intf.is_inside > 1:
- self.vapi.nat44_interface_add_del_feature(intf.sw_if_index,
- 0,
- is_add=0)
- self.vapi.nat44_interface_add_del_feature(intf.sw_if_index,
- intf.is_inside,
- is_add=0)
+ if intf.flags & self.config_flags.NAT_IS_INSIDE and \
+ intf.flags & self.config_flags.NAT_IS_OUTSIDE:
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=intf.sw_if_index)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=intf.sw_if_index,
+ flags=intf.flags)
interfaces = self.vapi.nat44_interface_output_feature_dump()
for intf in interfaces:
- self.vapi.nat44_interface_add_del_output_feature(intf.sw_if_index,
- intf.is_inside,
- is_add=0)
-
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=0,
+ flags=intf.flags,
+ sw_if_index=intf.sw_if_index)
static_mappings = self.vapi.nat44_static_mapping_dump()
for sm in static_mappings:
self.vapi.nat44_add_del_static_mapping(
- sm.local_ip_address,
- sm.external_ip_address,
+ is_add=0,
+ local_ip_address=sm.local_ip_address,
+ external_ip_address=sm.external_ip_address,
+ external_sw_if_index=sm.external_sw_if_index,
local_port=sm.local_port,
external_port=sm.external_port,
- addr_only=sm.addr_only,
vrf_id=sm.vrf_id,
protocol=sm.protocol,
- twice_nat=sm.twice_nat,
- self_twice_nat=sm.self_twice_nat,
- out2in_only=sm.out2in_only,
- tag=sm.tag,
- external_sw_if_index=sm.external_sw_if_index,
- is_add=0)
+ flags=sm.flags, tag=sm.tag)
lb_static_mappings = self.vapi.nat44_lb_static_mapping_dump()
for lb_sm in lb_static_mappings:
self.vapi.nat44_add_del_lb_static_mapping(
- lb_sm.external_addr,
- lb_sm.external_port,
- lb_sm.protocol,
- twice_nat=lb_sm.twice_nat,
- self_twice_nat=lb_sm.self_twice_nat,
- out2in_only=lb_sm.out2in_only,
- tag=lb_sm.tag,
is_add=0,
- local_num=0,
- locals=[])
+ flags=lb_sm.flags,
+ external_addr=lb_sm.external_addr,
+ external_port=lb_sm.external_port,
+ protocol=lb_sm.protocol,
+ local_num=0, locals=[],
+ tag=lb_sm.tag)
identity_mappings = self.vapi.nat44_identity_mapping_dump()
for id_m in identity_mappings:
self.vapi.nat44_add_del_identity_mapping(
- addr_only=id_m.addr_only,
- ip=id_m.ip_address,
- port=id_m.port,
+ ip_address=id_m.ip_address,
sw_if_index=id_m.sw_if_index,
+ port=id_m.port,
+ flags=id_m.flags,
vrf_id=id_m.vrf_id,
- protocol=id_m.protocol,
- is_add=0)
-
- adresses = self.vapi.nat44_address_dump()
- for addr in adresses:
- self.vapi.nat44_add_del_address_range(addr.ip_address,
- addr.ip_address,
- twice_nat=addr.twice_nat,
- is_add=0)
+ protocol=id_m.protocol)
- self.vapi.nat_set_reass()
- self.vapi.nat_set_reass(is_ip6=1)
+ addresses = self.vapi.nat44_address_dump()
+ for addr in addresses:
+ self.vapi.nat44_add_del_address_range(
+ first_ip_address=addr.ip_address,
+ last_ip_address=addr.ip_address,
+ vrf_id=0xFFFFFFFF, flags=addr.flags)
+
+ self.vapi.nat_set_reass(timeout=2, max_reass=1024, max_frag=5,
+ drop_frag=0)
+ self.vapi.nat_set_reass(timeout=2, max_reass=1024, max_frag=5,
+ drop_frag=0, is_ip6=1)
self.verify_no_nat44_user()
- self.vapi.nat_set_timeouts()
+ self.vapi.nat_set_timeouts(udp=300, tcp_established=7440,
+ tcp_transitory=240, icmp=60)
self.vapi.nat_set_addr_and_port_alloc_alg()
- self.vapi.nat_set_mss_clamping()
+ self.vapi.nat_set_mss_clamping(enable=0, mss_value=1500)
def nat44_add_static_mapping(self, local_ip, external_ip='0.0.0.0',
local_port=0, external_port=0, vrf_id=0,
is_add=1, external_sw_if_index=0xFFFFFFFF,
- proto=0, twice_nat=0, self_twice_nat=0,
- out2in_only=0, tag=""):
+ proto=0, tag="", flags=0):
"""
Add/delete NAT44 static mapping
:param is_add: 1 if add, 0 if delete (Default add)
:param external_sw_if_index: External interface instead of IP address
:param proto: IP protocol (Mandatory if port specified)
- :param twice_nat: 1 if translate external host address and port
- :param self_twice_nat: 1 if translate external host address and port
- whenever external host address equals
- local address of internal host
- :param out2in_only: if 1 rule is matching only out2in direction
:param tag: Opaque string tag
+ :param flags: NAT configuration flags
"""
- addr_only = 1
- if local_port and external_port:
- addr_only = 0
- l_ip = socket.inet_pton(socket.AF_INET, local_ip)
- e_ip = socket.inet_pton(socket.AF_INET, external_ip)
+
+ if not (local_port and external_port):
+ flags |= self.config_flags.NAT_IS_ADDR_ONLY
+
self.vapi.nat44_add_del_static_mapping(
- l_ip,
- e_ip,
- external_sw_if_index,
- local_port,
- external_port,
- addr_only,
- vrf_id,
- proto,
- twice_nat,
- self_twice_nat,
- out2in_only,
- tag,
- is_add)
+ is_add=is_add,
+ local_ip_address=local_ip,
+ external_ip_address=external_ip,
+ external_sw_if_index=external_sw_if_index,
+ local_port=local_port,
+ external_port=external_port,
+ vrf_id=vrf_id, protocol=proto,
+ flags=flags,
+ tag=tag)
def nat44_add_address(self, ip, is_add=1, vrf_id=0xFFFFFFFF, twice_nat=0):
"""
:param ip: IP address
:param is_add: 1 if add, 0 if delete (Default add)
- :param twice_nat: twice NAT address for extenal hosts
+ :param twice_nat: twice NAT address for external hosts
"""
- nat_addr = socket.inet_pton(socket.AF_INET, ip)
- self.vapi.nat44_add_del_address_range(nat_addr, nat_addr, is_add,
+ flags = self.config_flags.NAT_IS_TWICE_NAT if twice_nat else 0
+ self.vapi.nat44_add_del_address_range(first_ip_address=ip,
+ last_ip_address=ip,
vrf_id=vrf_id,
- twice_nat=twice_nat)
+ is_add=is_add,
+ flags=flags)
def create_stream_in(self, in_if, out_if, dst_ip=None, ttl=64):
"""
pref_n[13] = ip4_n[1]
pref_n[14] = ip4_n[2]
pref_n[15] = ip4_n[3]
- return socket.inet_ntop(socket.AF_INET6, ''.join(pref_n))
+ packed_pref_n = b''.join([scapy.compat.chb(x) for x in pref_n])
+ return socket.inet_ntop(socket.AF_INET6, packed_pref_n)
def extract_ip4(self, ip6, plen):
"""
:param capture: Captured packets
:param nat_ip: Translated IP address (Default use global NAT address)
- :param same_port: Sorce port number is not translated (Default False)
+ :param same_port: Source port number is not translated (Default False)
:param dst_ip: Destination IP address (Default do not verify)
:param is_ip6: If L3 protocol is IPv6 (Default False)
"""
:param capture: Captured packets
:param nat_ip: Translated IP address
- :param same_port: Sorce port number is not translated (Default False)
+ :param same_port: Source port number is not translated (Default False)
:param dst_ip: Destination IP address (Default do not verify)
"""
return self.verify_capture_out(capture, nat_ip, same_port, dst_ip,
:param data: Payload data
:param proto: protocol (TCP, UDP, ICMP)
:param echo_reply: use echo_reply if protocol is ICMP
- :returns: Fragmets
+ :returns: Fragments
"""
if proto == IP_PROTOS.tcp:
p = (IP(src=src_if.remote_ip4, dst=dst) /
TCP(sport=sport, dport=dport) /
Raw(data))
- p = p.__class__(str(p))
- chksum = p['TCP'].chksum
+ p = p.__class__(scapy.compat.raw(p))
+ chksum = p[TCP].chksum
proto_header = TCP(sport=sport, dport=dport, chksum=chksum)
elif proto == IP_PROTOS.udp:
proto_header = UDP(sport=sport, dport=dport)
:param pref: NAT64 prefix
:param plen: NAT64 prefix length
:param fragsize: size of fragments
- :returns: Fragmets
+ :returns: Fragments
"""
if pref is None:
dst_ip6 = ''.join(['64:ff9b::', dst])
self.assertEqual(6, len(data))
for record in data:
# natEvent
- self.assertIn(ord(record[230]), [4, 5])
- if ord(record[230]) == 4:
+ self.assertIn(scapy.compat.orb(record[230]), [4, 5])
+ if scapy.compat.orb(record[230]) == 4:
nat44_ses_create_num += 1
else:
nat44_ses_delete_num += 1
record[225])
# ingressVRFID
self.assertEqual(struct.pack("!I", 0), record[234])
- # protocolIdentifier/sourceTransportPort/postNAPTSourceTransportPort
- if IP_PROTOS.icmp == ord(record[4]):
+ # protocolIdentifier/sourceTransportPort
+ # /postNAPTSourceTransportPort
+ if IP_PROTOS.icmp == scapy.compat.orb(record[4]):
self.assertEqual(struct.pack("!H", self.icmp_id_in), record[7])
self.assertEqual(struct.pack("!H", self.icmp_id_out),
record[227])
- elif IP_PROTOS.tcp == ord(record[4]):
+ elif IP_PROTOS.tcp == scapy.compat.orb(record[4]):
self.assertEqual(struct.pack("!H", self.tcp_port_in),
record[7])
self.assertEqual(struct.pack("!H", self.tcp_port_out),
record[227])
- elif IP_PROTOS.udp == ord(record[4]):
+ elif IP_PROTOS.udp == scapy.compat.orb(record[4]):
self.assertEqual(struct.pack("!H", self.udp_port_in),
record[7])
self.assertEqual(struct.pack("!H", self.udp_port_out),
self.assertEqual(1, len(data))
record = data[0]
# natEvent
- self.assertEqual(ord(record[230]), 3)
+ self.assertEqual(scapy.compat.orb(record[230]), 3)
# natPoolID
self.assertEqual(struct.pack("!I", 0), record[283])
self.assertEqual(1, len(data))
record = data[0]
# natEvent
- self.assertEqual(ord(record[230]), 13)
+ self.assertEqual(scapy.compat.orb(record[230]), 13)
# natQuotaExceededEvent
self.assertEqual(struct.pack("I", 1), record[466])
# maxSessionEntries
self.assertEqual(1, len(data))
record = data[0]
# natEvent
- self.assertEqual(ord(record[230]), 13)
+ self.assertEqual(scapy.compat.orb(record[230]), 13)
# natQuotaExceededEvent
self.assertEqual(struct.pack("I", 2), record[466])
# maxBIBEntries
self.assertEqual(1, len(data))
record = data[0]
# natEvent
- self.assertEqual(ord(record[230]), 13)
+ self.assertEqual(scapy.compat.orb(record[230]), 13)
# natQuotaExceededEvent
self.assertEqual(struct.pack("I", 5), record[466])
# maxFragmentsPendingReassembly
self.assertEqual(1, len(data))
record = data[0]
# natEvent
- self.assertEqual(ord(record[230]), 13)
+ self.assertEqual(scapy.compat.orb(record[230]), 13)
# natQuotaExceededEvent
self.assertEqual(struct.pack("I", 5), record[466])
# maxFragmentsPendingReassembly
record = data[0]
# natEvent
if is_create:
- self.assertEqual(ord(record[230]), 10)
+ self.assertEqual(scapy.compat.orb(record[230]), 10)
else:
- self.assertEqual(ord(record[230]), 11)
+ self.assertEqual(scapy.compat.orb(record[230]), 11)
# sourceIPv6Address
self.assertEqual(src_addr, record[27])
# postNATSourceIPv4Address
self.assertEqual(self.nat_addr_n, record[225])
# protocolIdentifier
- self.assertEqual(IP_PROTOS.tcp, ord(record[4]))
+ self.assertEqual(IP_PROTOS.tcp, scapy.compat.orb(record[4]))
# ingressVRFID
self.assertEqual(struct.pack("!I", 0), record[234])
# sourceTransportPort
record = data[0]
# natEvent
if is_create:
- self.assertEqual(ord(record[230]), 6)
+ self.assertEqual(scapy.compat.orb(record[230]), 6)
else:
- self.assertEqual(ord(record[230]), 7)
+ self.assertEqual(scapy.compat.orb(record[230]), 7)
# sourceIPv6Address
self.assertEqual(src_addr, record[27])
# destinationIPv6Address
self.assertEqual(socket.inet_pton(socket.AF_INET, dst_addr),
record[226])
# protocolIdentifier
- self.assertEqual(IP_PROTOS.tcp, ord(record[4]))
+ self.assertEqual(IP_PROTOS.tcp, scapy.compat.orb(record[4]))
# ingressVRFID
self.assertEqual(struct.pack("!I", 0), record[234])
# sourceTransportPort
self.assertEqual(1, len(data))
record = data[0]
# natEvent
- self.assertEqual(ord(record[230]), 13)
+ self.assertEqual(scapy.compat.orb(record[230]), 13)
# natQuotaExceededEvent
self.assertEqual(struct.pack("I", 3), record[466])
# maxEntriesPerUser
layer = self.proto2layer(proto)
if proto == IP_PROTOS.tcp:
- data = "A" * 4 + "B" * 16 + "C" * 3
+ data = b"A" * 4 + b"B" * 16 + b"C" * 3
else:
- data = "A" * 16 + "B" * 16 + "C" * 3
+ data = b"A" * 16 + b"B" * 16 + b"C" * 3
self.port_in = random.randint(1025, 65535)
reass = self.vapi.nat_reass_dump()
layer = self.proto2layer(proto)
if proto == IP_PROTOS.tcp:
- data = "A" * 4 + "B" * 16 + "C" * 3
+ data = b"A" * 4 + b"B" * 16 + b"C" * 3
else:
- data = "A" * 16 + "B" * 16 + "C" * 3
+ data = b"A" * 16 + b"B" * 16 + b"C" * 3
self.port_in = random.randint(1025, 65535)
for i in range(2):
layer = self.proto2layer(proto)
if proto == IP_PROTOS.tcp:
- data = "A" * 4 + "B" * 16 + "C" * 3
+ data = b"A" * 4 + b"B" * 16 + b"C" * 3
else:
- data = "A" * 16 + "B" * 16 + "C" * 3
+ data = b"A" * 16 + b"B" * 16 + b"C" * 3
# send packet from host to server
pkts = self.create_stream_frag(self.pg0,
layer = self.proto2layer(proto)
if proto == IP_PROTOS.tcp:
- data = "A" * 4 + "B" * 16 + "C" * 3
+ data = b"A" * 4 + b"B" * 16 + b"C" * 3
else:
- data = "A" * 16 + "B" * 16 + "C" * 3
+ data = b"A" * 16 + b"B" * 16 + b"C" * 3
self.port_in = random.randint(1025, 65535)
for i in range(2):
layer = self.proto2layer(proto)
if proto == IP_PROTOS.tcp:
- data = "A" * 4 + "B" * 16 + "C" * 3
+ data = b"A" * 4 + b"B" * 16 + b"C" * 3
else:
- data = "A" * 16 + "B" * 16 + "C" * 3
+ data = b"A" * 16 + b"B" * 16 + b"C" * 3
self.port_in = random.randint(1025, 65535)
for i in range(2):
cls.icmp_id_in = 6305
cls.icmp_id_out = 6305
cls.nat_addr = '10.0.0.3'
- cls.nat_addr_n = socket.inet_pton(socket.AF_INET, cls.nat_addr)
cls.ipfix_src_port = 4739
cls.ipfix_domain_id = 1
cls.tcp_external_port = 80
super(TestNAT44, cls).tearDownClass()
raise
+ @classmethod
+ def tearDownClass(cls):
+ super(TestNAT44, cls).tearDownClass()
+
def test_dynamic(self):
""" NAT44 dynamic translation test """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# in2out
- tcpn = self.statistics.get_counter(
+ tcpn = self.statistics.get_err_counter(
'/err/nat44-in2out-slowpath/TCP packets')
- udpn = self.statistics.get_counter(
+ udpn = self.statistics.get_err_counter(
'/err/nat44-in2out-slowpath/UDP packets')
- icmpn = self.statistics.get_counter(
+ icmpn = self.statistics.get_err_counter(
'/err/nat44-in2out-slowpath/ICMP packets')
- totaln = self.statistics.get_counter(
+ totaln = self.statistics.get_err_counter(
'/err/nat44-in2out-slowpath/good in2out packets processed')
pkts = self.create_stream_in(self.pg0, self.pg1)
capture = self.pg1.get_capture(len(pkts))
self.verify_capture_out(capture)
- err = self.statistics.get_counter(
+ err = self.statistics.get_err_counter(
'/err/nat44-in2out-slowpath/TCP packets')
self.assertEqual(err - tcpn, 1)
- err = self.statistics.get_counter(
+ err = self.statistics.get_err_counter(
'/err/nat44-in2out-slowpath/UDP packets')
self.assertEqual(err - udpn, 1)
- err = self.statistics.get_counter(
+ err = self.statistics.get_err_counter(
'/err/nat44-in2out-slowpath/ICMP packets')
self.assertEqual(err - icmpn, 1)
- err = self.statistics.get_counter(
+ err = self.statistics.get_err_counter(
'/err/nat44-in2out-slowpath/good in2out packets processed')
self.assertEqual(err - totaln, 3)
# out2in
- tcpn = self.statistics.get_counter('/err/nat44-out2in/TCP packets')
- udpn = self.statistics.get_counter('/err/nat44-out2in/UDP packets')
- icmpn = self.statistics.get_counter('/err/nat44-out2in/ICMP packets')
- totaln = self.statistics.get_counter(
+ tcpn = self.statistics.get_err_counter('/err/nat44-out2in/TCP packets')
+ udpn = self.statistics.get_err_counter('/err/nat44-out2in/UDP packets')
+ icmpn = self.statistics.get_err_counter(
+ '/err/nat44-out2in/ICMP packets')
+ totaln = self.statistics.get_err_counter(
'/err/nat44-out2in/good out2in packets processed')
pkts = self.create_stream_out(self.pg1)
capture = self.pg0.get_capture(len(pkts))
self.verify_capture_in(capture, self.pg0)
- err = self.statistics.get_counter('/err/nat44-out2in/TCP packets')
+ err = self.statistics.get_err_counter('/err/nat44-out2in/TCP packets')
self.assertEqual(err - tcpn, 1)
- err = self.statistics.get_counter('/err/nat44-out2in/UDP packets')
+ err = self.statistics.get_err_counter('/err/nat44-out2in/UDP packets')
self.assertEqual(err - udpn, 1)
- err = self.statistics.get_counter('/err/nat44-out2in/ICMP packets')
+ err = self.statistics.get_err_counter('/err/nat44-out2in/ICMP packets')
self.assertEqual(err - icmpn, 1)
- err = self.statistics.get_counter(
+ err = self.statistics.get_err_counter(
'/err/nat44-out2in/good out2in packets processed')
self.assertEqual(err - totaln, 3)
""" NAT44 handling of client packets with TTL=1 """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# Client side - generate traffic
pkts = self.create_stream_in(self.pg0, self.pg1, ttl=1)
""" NAT44 handling of server packets with TTL=1 """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# Client side - create sessions
pkts = self.create_stream_in(self.pg0, self.pg1)
""" NAT44 handling of error responses to client packets with TTL=2 """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# Client side - generate traffic
pkts = self.create_stream_in(self.pg0, self.pg1, ttl=2)
""" NAT44 handling of error responses to server packets with TTL=2 """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# Client side - create sessions
pkts = self.create_stream_in(self.pg0, self.pg1)
""" Ping NAT44 out interface from outside network """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
IP(src=self.pg1.remote_ip4, dst=self.pg1.local_ip4) /
""" Ping internal host from outside network """
self.nat44_add_static_mapping(self.pg0.remote_ip4, self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# out2in
pkt = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
def test_forwarding(self):
""" NAT44 forwarding test """
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
- self.vapi.nat44_forwarding_enable_disable(1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
real_ip = self.pg0.remote_ip4n
- alias_ip = self.nat_addr_n
- self.vapi.nat44_add_del_static_mapping(local_ip=real_ip,
- external_ip=alias_ip)
+ alias_ip = self.nat_addr
+ flags = self.config_flags.NAT_IS_ADDR_ONLY
+ self.vapi.nat44_add_del_static_mapping(is_add=1,
+ local_ip_address=real_ip,
+ external_ip_address=alias_ip,
+ external_sw_if_index=0xFFFFFFFF,
+ flags=flags)
try:
# static mapping match
self.pg0.remote_hosts[0] = host0
finally:
- self.vapi.nat44_forwarding_enable_disable(0)
- self.vapi.nat44_add_del_static_mapping(local_ip=real_ip,
- external_ip=alias_ip,
- is_add=0)
+ self.vapi.nat44_forwarding_enable_disable(enable=0)
+ flags = self.config_flags.NAT_IS_ADDR_ONLY
+ self.vapi.nat44_add_del_static_mapping(
+ is_add=0,
+ local_ip_address=real_ip,
+ external_ip_address=alias_ip,
+ external_sw_if_index=0xFFFFFFFF,
+ flags=flags)
def test_static_in(self):
""" 1:1 NAT initialized from inside network """
self.icmp_id_out = 6305
self.nat44_add_static_mapping(self.pg0.remote_ip4, nat_ip)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
sm = self.vapi.nat44_static_mapping_dump()
self.assertEqual(len(sm), 1)
- self.assertEqual((sm[0].tag).split('\0', 1)[0], '')
+ self.assertEqual((sm[0].tag).split(b'\0', 1)[0], b'')
self.assertEqual(sm[0].protocol, 0)
self.assertEqual(sm[0].local_port, 0)
self.assertEqual(sm[0].external_port, 0)
self.tcp_port_out = 6303
self.udp_port_out = 6304
self.icmp_id_out = 6305
- tag = "testTAG"
+ tag = b"testTAG"
self.nat44_add_static_mapping(self.pg0.remote_ip4, nat_ip, tag=tag)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
sm = self.vapi.nat44_static_mapping_dump()
self.assertEqual(len(sm), 1)
- self.assertEqual((sm[0].tag).split('\0', 1)[0], tag)
+ self.assertEqual((sm[0].tag).split(b'\0', 1)[0], tag)
# out2in
pkts = self.create_stream_out(self.pg1, nat_ip)
self.nat44_add_static_mapping(self.pg0.remote_ip4, self.nat_addr,
self.icmp_id_in, self.icmp_id_out,
proto=IP_PROTOS.icmp)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# in2out
pkts = self.create_stream_in(self.pg0, self.pg1)
self.nat44_add_static_mapping(self.pg0.remote_ip4, self.nat_addr,
self.icmp_id_in, self.icmp_id_out,
proto=IP_PROTOS.icmp)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# out2in
pkts = self.create_stream_out(self.pg1)
vrf_id=10)
self.nat44_add_static_mapping(self.pg0.remote_ip4, nat_ip2,
vrf_id=10)
- self.vapi.nat44_interface_add_del_feature(self.pg3.sw_if_index,
- is_inside=0)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg4.sw_if_index)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg3.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg4.sw_if_index,
+ flags=flags, is_add=1)
# inside interface VRF match NAT44 static mapping VRF
pkts = self.create_stream_in(self.pg4, self.pg3)
self.icmp_id_out = 6305
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# dynamic
pkts = self.create_stream_in(self.pg0, self.pg1)
def test_identity_nat(self):
""" Identity NAT """
-
- self.vapi.nat44_add_del_identity_mapping(ip=self.pg0.remote_ip4n)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_ADDR_ONLY
+ self.vapi.nat44_add_del_identity_mapping(
+ ip_address=self.pg0.remote_ip4n, sw_if_index=0xFFFFFFFF,
+ flags=flags, is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
IP(src=self.pg1.remote_ip4, dst=self.pg0.remote_ip4) /
sessions = self.vapi.nat44_user_session_dump(self.pg0.remote_ip4n, 0)
self.assertEqual(len(sessions), 0)
- self.vapi.nat44_add_del_identity_mapping(ip=self.pg0.remote_ip4n,
- vrf_id=1)
+ flags = self.config_flags.NAT_IS_ADDR_ONLY
+ self.vapi.nat44_add_del_identity_mapping(
+ ip_address=self.pg0.remote_ip4n, sw_if_index=0xFFFFFFFF,
+ flags=flags, vrf_id=1, is_add=1)
identity_mappings = self.vapi.nat44_identity_mapping_dump()
self.assertEqual(len(identity_mappings), 2)
""" NAT44 multiple non-overlapping address space inside interfaces """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg3.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg3.sw_if_index,
+ is_add=1)
# between two NAT44 inside interfaces (no translation)
pkts = self.create_stream_in(self.pg0, self.pg1)
static_nat_ip = "10.0.0.10"
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg3.sw_if_index,
- is_inside=0)
- self.vapi.nat44_interface_add_del_feature(self.pg4.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg5.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg6.sw_if_index)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg3.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg4.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg5.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg6.sw_if_index,
+ flags=flags, is_add=1)
self.nat44_add_static_mapping(self.pg6.remote_ip4, static_nat_ip,
vrf_id=20)
sessions = self.vapi.nat44_user_session_dump(self.pg5.remote_ip4n, 10)
self.assertEqual(len(sessions), 3)
for session in sessions:
- self.assertFalse(session.is_static)
- self.assertEqual(session.inside_ip_address[0:4],
- self.pg5.remote_ip4n)
+ self.assertFalse(session.flags & self.config_flags.NAT_IS_STATIC)
+ self.assertEqual(str(session.inside_ip_address),
+ self.pg5.remote_ip4)
self.assertEqual(session.outside_ip_address,
addresses[0].ip_address)
self.assertEqual(sessions[0].protocol, IP_PROTOS.tcp)
self.assertTrue(session.protocol in
[IP_PROTOS.tcp, IP_PROTOS.udp,
IP_PROTOS.icmp])
- self.assertFalse(session.ext_host_valid)
+ self.assertFalse(session.flags &
+ self.config_flags.NAT_IS_EXT_HOST_VALID)
# pg4 session dump
sessions = self.vapi.nat44_user_session_dump(self.pg4.remote_ip4n, 10)
self.assertGreaterEqual(len(sessions), 4)
for session in sessions:
- self.assertFalse(session.is_static)
- self.assertEqual(session.inside_ip_address[0:4],
- self.pg4.remote_ip4n)
+ self.assertFalse(session.flags & self.config_flags.NAT_IS_STATIC)
+ self.assertEqual(str(session.inside_ip_address),
+ self.pg4.remote_ip4)
self.assertEqual(session.outside_ip_address,
addresses[0].ip_address)
sessions = self.vapi.nat44_user_session_dump(self.pg6.remote_ip4n, 20)
self.assertGreaterEqual(len(sessions), 3)
for session in sessions:
- self.assertTrue(session.is_static)
- self.assertEqual(session.inside_ip_address[0:4],
- self.pg6.remote_ip4n)
- self.assertEqual(session.outside_ip_address,
- socket.inet_pton(socket.AF_INET, static_nat_ip))
+ self.assertTrue(session.flags & self.config_flags.NAT_IS_STATIC)
+ self.assertEqual(str(session.inside_ip_address),
+ self.pg6.remote_ip4)
+ self.assertEqual(str(session.outside_ip_address),
+ static_nat_ip)
self.assertTrue(session.inside_port in
[self.tcp_port_in, self.udp_port_in,
self.icmp_id_in])
server_out_port = 8765
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
# add static mapping for server
self.nat44_add_static_mapping(server.ip4, self.nat_addr,
server_in_port, server_out_port,
server_udp_port = 20
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# add static mapping for servers
self.nat44_add_static_mapping(server1.ip4, server1_nat_ip)
""" MAX translations per user - recycle the least recently used """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# get maximum number of translations per user
nat44_config = self.vapi.nat_show_config()
def test_interface_addr(self):
""" Acquire NAT44 addresses from interface """
- self.vapi.nat44_add_del_interface_addr(self.pg7.sw_if_index)
+ self.vapi.nat44_add_del_interface_addr(
+ is_add=1,
+ sw_if_index=self.pg7.sw_if_index)
# no address in NAT pool
- adresses = self.vapi.nat44_address_dump()
- self.assertEqual(0, len(adresses))
+ addresses = self.vapi.nat44_address_dump()
+ self.assertEqual(0, len(addresses))
# configure interface address and check NAT address pool
self.pg7.config_ip4()
- adresses = self.vapi.nat44_address_dump()
- self.assertEqual(1, len(adresses))
- self.assertEqual(adresses[0].ip_address[0:4], self.pg7.local_ip4n)
+ addresses = self.vapi.nat44_address_dump()
+ self.assertEqual(1, len(addresses))
+ self.assertEqual(str(addresses[0].ip_address), self.pg7.local_ip4)
# remove interface address and check NAT address pool
self.pg7.unconfig_ip4()
- adresses = self.vapi.nat44_address_dump()
- self.assertEqual(0, len(adresses))
+ addresses = self.vapi.nat44_address_dump()
+ self.assertEqual(0, len(addresses))
def test_interface_addr_static_mapping(self):
""" Static mapping with addresses from interface """
- tag = "testTAG"
+ tag = b"testTAG"
- self.vapi.nat44_add_del_interface_addr(self.pg7.sw_if_index)
+ self.vapi.nat44_add_del_interface_addr(
+ is_add=1,
+ sw_if_index=self.pg7.sw_if_index)
self.nat44_add_static_mapping(
'1.2.3.4',
external_sw_if_index=self.pg7.sw_if_index,
self.assertEqual(1, len(static_mappings))
self.assertEqual(self.pg7.sw_if_index,
static_mappings[0].external_sw_if_index)
- self.assertEqual((static_mappings[0].tag).split('\0', 1)[0], tag)
+ self.assertEqual((static_mappings[0].tag).split(b'\0', 1)[0], tag)
# configure interface address and check static mappings
self.pg7.config_ip4()
resolved = False
for sm in static_mappings:
if sm.external_sw_if_index == 0xFFFFFFFF:
- self.assertEqual(sm.external_ip_address[0:4],
- self.pg7.local_ip4n)
- self.assertEqual((sm.tag).split('\0', 1)[0], tag)
+ self.assertEqual(str(sm.external_ip_address),
+ self.pg7.local_ip4)
+ self.assertEqual((sm.tag).split(b'\0', 1)[0], tag)
resolved = True
self.assertTrue(resolved)
self.assertEqual(1, len(static_mappings))
self.assertEqual(self.pg7.sw_if_index,
static_mappings[0].external_sw_if_index)
- self.assertEqual((static_mappings[0].tag).split('\0', 1)[0], tag)
+ self.assertEqual((static_mappings[0].tag).split(b'\0', 1)[0], tag)
# configure interface address again and check static mappings
self.pg7.config_ip4()
resolved = False
for sm in static_mappings:
if sm.external_sw_if_index == 0xFFFFFFFF:
- self.assertEqual(sm.external_ip_address[0:4],
- self.pg7.local_ip4n)
- self.assertEqual((sm.tag).split('\0', 1)[0], tag)
+ self.assertEqual(str(sm.external_ip_address),
+ self.pg7.local_ip4)
+ self.assertEqual((sm.tag).split(b'\0', 1)[0], tag)
resolved = True
self.assertTrue(resolved)
""" Identity NAT with addresses from interface """
port = 53053
- self.vapi.nat44_add_del_interface_addr(self.pg7.sw_if_index)
+ self.vapi.nat44_add_del_interface_addr(
+ is_add=1,
+ sw_if_index=self.pg7.sw_if_index)
self.vapi.nat44_add_del_identity_mapping(
+ ip_address=b'0',
sw_if_index=self.pg7.sw_if_index,
port=port,
protocol=IP_PROTOS.tcp,
- addr_only=0)
+ is_add=1)
# identity mappings with external interface
identity_mappings = self.vapi.nat44_identity_mapping_dump()
self.assertEqual(2, len(identity_mappings))
for sm in identity_mappings:
if sm.sw_if_index == 0xFFFFFFFF:
- self.assertEqual(identity_mappings[0].ip_address,
- self.pg7.local_ip4n)
+ self.assertEqual(str(identity_mappings[0].ip_address),
+ self.pg7.local_ip4)
self.assertEqual(port, identity_mappings[0].port)
self.assertEqual(IP_PROTOS.tcp, identity_mappings[0].protocol)
resolved = True
identity_mappings[0].sw_if_index)
def test_ipfix_nat44_sess(self):
- """ IPFIX logging NAT44 session created/delted """
+ """ IPFIX logging NAT44 session created/deleted """
self.ipfix_domain_id = 10
self.ipfix_src_port = 20202
- colector_port = 30303
+ collector_port = 30303
bind_layers(UDP, IPFIX, dport=30303)
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
self.vapi.set_ipfix_exporter(collector_address=self.pg3.remote_ip4n,
src_address=self.pg3.local_ip4n,
path_mtu=512,
template_interval=10,
- collector_port=colector_port)
+ collector_port=collector_port)
self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
- src_port=self.ipfix_src_port)
+ src_port=self.ipfix_src_port,
+ enable=1)
pkts = self.create_stream_in(self.pg0, self.pg1)
self.pg0.add_stream(pkts)
self.assertEqual(p[IP].src, self.pg3.local_ip4)
self.assertEqual(p[IP].dst, self.pg3.remote_ip4)
self.assertEqual(p[UDP].sport, self.ipfix_src_port)
- self.assertEqual(p[UDP].dport, colector_port)
+ self.assertEqual(p[UDP].dport, collector_port)
self.assertEqual(p[IPFIX].observationDomainID,
self.ipfix_domain_id)
if p.haslayer(Template):
def test_ipfix_addr_exhausted(self):
""" IPFIX logging NAT addresses exhausted """
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
self.vapi.set_ipfix_exporter(collector_address=self.pg3.remote_ip4n,
src_address=self.pg3.local_ip4n,
path_mtu=512,
template_interval=10)
self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
- src_port=self.ipfix_src_port)
+ src_port=self.ipfix_src_port,
+ enable=1)
p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
def test_ipfix_max_sessions(self):
""" IPFIX logging maximum session entries exceeded """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
nat44_config = self.vapi.nat_show_config()
max_sessions = 10 * nat44_config.translation_buckets
path_mtu=512,
template_interval=10)
self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
- src_port=self.ipfix_src_port)
+ src_port=self.ipfix_src_port,
+ enable=1)
p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
def test_syslog_apmap(self):
""" Test syslog address and port mapping creation and deletion """
- self.vapi.syslog_set_filter(SYSLOG_SEVERITY.INFO)
+ self.vapi.syslog_set_filter(
+ self.SYSLOG_SEVERITY.SYSLOG_API_SEVERITY_INFO)
self.vapi.syslog_set_sender(self.pg3.local_ip4n, self.pg3.remote_ip4n)
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
""" NAT44 add pool addresses to FIB """
static_addr = '10.0.0.10'
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
self.nat44_add_static_mapping(self.pg0.remote_ip4, static_addr)
# NAT44 address
self.nat44_add_address(nat_ip1, vrf_id=vrf_id1)
self.nat44_add_address(nat_ip2, vrf_id=vrf_id2)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg2.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg2.sw_if_index,
+ is_add=1)
try:
# first VRF
self.nat44_add_address(nat_ip1)
self.nat44_add_address(nat_ip2, vrf_id=99)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg2.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg2.sw_if_index,
+ is_add=1)
# first VRF
pkts = self.create_stream_in(self.pg0, self.pg2)
capture = self.pg2.get_capture(len(pkts))
self.verify_capture_out(capture, nat_ip1)
+ def create_routes_and_neigbors(self):
+ r1 = VppIpRoute(self, self.pg7.remote_ip4, 32,
+ [VppRoutePath(self.pg7.remote_ip4,
+ self.pg7.sw_if_index)])
+ r2 = VppIpRoute(self, self.pg8.remote_ip4, 32,
+ [VppRoutePath(self.pg8.remote_ip4,
+ self.pg8.sw_if_index)])
+ r1.add_vpp_config()
+ r2.add_vpp_config()
+
+ n1 = VppNeighbor(self,
+ self.pg7.sw_if_index,
+ self.pg7.remote_mac,
+ self.pg7.remote_ip4,
+ is_static=1)
+ n2 = VppNeighbor(self,
+ self.pg8.sw_if_index,
+ self.pg8.remote_mac,
+ self.pg8.remote_ip4,
+ is_static=1)
+ n1.add_vpp_config()
+ n2.add_vpp_config()
+
def test_dynamic_ipless_interfaces(self):
""" NAT44 interfaces without configured IP address """
-
- self.vapi.ip_neighbor_add_del(
- self.pg7.sw_if_index,
- self.pg7.remote_mac,
- self.pg7.remote_ip4,
- flags=(VppEnum.vl_api_ip_neighbor_flags_t.
- IP_API_NEIGHBOR_FLAG_STATIC))
- self.vapi.ip_neighbor_add_del(
- self.pg8.sw_if_index,
- self.pg8.remote_mac,
- self.pg8.remote_ip4,
- flags=(VppEnum.vl_api_ip_neighbor_flags_t.
- IP_API_NEIGHBOR_FLAG_STATIC))
-
- self.vapi.ip_add_del_route(dst_address=self.pg7.remote_ip4n,
- dst_address_length=32,
- next_hop_address=self.pg7.remote_ip4n,
- next_hop_sw_if_index=self.pg7.sw_if_index)
- self.vapi.ip_add_del_route(dst_address=self.pg8.remote_ip4n,
- dst_address_length=32,
- next_hop_address=self.pg8.remote_ip4n,
- next_hop_sw_if_index=self.pg8.sw_if_index)
-
+ self.create_routes_and_neigbors()
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg7.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg8.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg7.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg8.sw_if_index,
+ is_add=1)
# in2out
pkts = self.create_stream_in(self.pg7, self.pg8)
def test_static_ipless_interfaces(self):
""" NAT44 interfaces without configured IP address - 1:1 NAT """
- self.vapi.ip_neighbor_add_del(
- self.pg7.sw_if_index,
- self.pg7.remote_mac,
- self.pg7.remote_ip4,
- flags=(VppEnum.vl_api_ip_neighbor_flags_t.
- IP_API_NEIGHBOR_FLAG_STATIC))
- self.vapi.ip_neighbor_add_del(
- self.pg8.sw_if_index,
- self.pg8.remote_mac,
- self.pg8.remote_ip4,
- flags=(VppEnum.vl_api_ip_neighbor_flags_t.
- IP_API_NEIGHBOR_FLAG_STATIC))
-
- self.vapi.ip_add_del_route(dst_address=self.pg7.remote_ip4n,
- dst_address_length=32,
- next_hop_address=self.pg7.remote_ip4n,
- next_hop_sw_if_index=self.pg7.sw_if_index)
- self.vapi.ip_add_del_route(dst_address=self.pg8.remote_ip4n,
- dst_address_length=32,
- next_hop_address=self.pg8.remote_ip4n,
- next_hop_sw_if_index=self.pg8.sw_if_index)
-
+ self.create_routes_and_neigbors()
self.nat44_add_static_mapping(self.pg7.remote_ip4, self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg7.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg8.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg7.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg8.sw_if_index,
+ is_add=1)
# out2in
pkts = self.create_stream_out(self.pg8)
self.udp_port_out = 30607
self.icmp_id_out = 30608
- self.vapi.ip_neighbor_add_del(
- self.pg7.sw_if_index,
- self.pg7.remote_mac,
- self.pg7.remote_ip4,
- flags=(VppEnum.vl_api_ip_neighbor_flags_t.
- IP_API_NEIGHBOR_FLAG_STATIC))
- self.vapi.ip_neighbor_add_del(
- self.pg8.sw_if_index,
- self.pg8.remote_mac,
- self.pg8.remote_ip4,
- flags=(VppEnum.vl_api_ip_neighbor_flags_t.
- IP_API_NEIGHBOR_FLAG_STATIC))
-
- self.vapi.ip_add_del_route(dst_address=self.pg7.remote_ip4n,
- dst_address_length=32,
- next_hop_address=self.pg7.remote_ip4n,
- next_hop_sw_if_index=self.pg7.sw_if_index)
- self.vapi.ip_add_del_route(dst_address=self.pg8.remote_ip4n,
- dst_address_length=32,
- next_hop_address=self.pg8.remote_ip4n,
- next_hop_sw_if_index=self.pg8.sw_if_index)
-
+ self.create_routes_and_neigbors()
self.nat44_add_address(self.nat_addr)
self.nat44_add_static_mapping(self.pg7.remote_ip4, self.nat_addr,
self.tcp_port_in, self.tcp_port_out,
self.nat44_add_static_mapping(self.pg7.remote_ip4, self.nat_addr,
self.icmp_id_in, self.icmp_id_out,
proto=IP_PROTOS.icmp)
- self.vapi.nat44_interface_add_del_feature(self.pg7.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg8.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg7.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg8.sw_if_index,
+ is_add=1)
# out2in
pkts = self.create_stream_out(self.pg8)
""" 1:1 NAT translate packet with unknown protocol """
nat_ip = "10.0.0.10"
self.nat44_add_static_mapping(self.pg0.remote_ip4, nat_ip)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# in2out
p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
self.nat44_add_static_mapping(host.ip4, host_nat_ip)
self.nat44_add_static_mapping(server.ip4, server_nat_ip)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# host to server
p = (Ether(dst=self.pg0.local_mac, src=host.mac) /
def test_output_feature(self):
""" NAT44 interface output feature (in2out postrouting) """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_output_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_output_feature(self.pg1.sw_if_index)
- self.vapi.nat44_interface_add_del_output_feature(self.pg3.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1, flags=flags,
+ sw_if_index=self.pg1.sw_if_index)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1,
+ sw_if_index=self.pg3.sw_if_index)
# in2out
pkts = self.create_stream_in(self.pg0, self.pg3)
nat_ip_vrf10 = "10.0.0.10"
nat_ip_vrf20 = "10.0.0.20"
- self.vapi.ip_add_del_route(dst_address=self.pg3.remote_ip4n,
- dst_address_length=32,
- next_hop_address=self.pg3.remote_ip4n,
- next_hop_sw_if_index=self.pg3.sw_if_index,
- table_id=10)
- self.vapi.ip_add_del_route(dst_address=self.pg3.remote_ip4n,
- dst_address_length=32,
- next_hop_address=self.pg3.remote_ip4n,
- next_hop_sw_if_index=self.pg3.sw_if_index,
- table_id=20)
+ r1 = VppIpRoute(self, self.pg3.remote_ip4, 32,
+ [VppRoutePath(self.pg3.remote_ip4,
+ self.pg3.sw_if_index)],
+ table_id=10)
+ r2 = VppIpRoute(self, self.pg3.remote_ip4, 32,
+ [VppRoutePath(self.pg3.remote_ip4,
+ self.pg3.sw_if_index)],
+ table_id=20)
+ r1.add_vpp_config()
+ r2.add_vpp_config()
self.nat44_add_address(nat_ip_vrf10, vrf_id=10)
self.nat44_add_address(nat_ip_vrf20, vrf_id=20)
- self.vapi.nat44_interface_add_del_output_feature(self.pg4.sw_if_index)
- self.vapi.nat44_interface_add_del_output_feature(self.pg6.sw_if_index)
- self.vapi.nat44_interface_add_del_output_feature(self.pg3.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1, flags=flags,
+ sw_if_index=self.pg4.sw_if_index)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1, flags=flags,
+ sw_if_index=self.pg6.sw_if_index)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1,
+ sw_if_index=self.pg3.sw_if_index)
# in2out VRF 10
pkts = self.create_stream_in(self.pg4, self.pg3)
server_out_port = 8765
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_output_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_output_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1,
+ sw_if_index=self.pg1.sw_if_index)
# add static mapping for server
self.nat44_add_static_mapping(server.ip4, self.nat_addr,
external_port = 0
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg9.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg9.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg9.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg9.sw_if_index,
+ flags=flags, is_add=1)
# in2out
p = (Ether(src=self.pg9.remote_mac, dst=self.pg9.local_mac) /
self.logger.error(ppp("Unexpected or invalid packet:", p))
raise
- err = self.statistics.get_counter('/err/nat44-classify/next in2out')
+ err = self.statistics.get_err_counter(
+ '/err/nat44-classify/next in2out')
self.assertEqual(err, 1)
- err = self.statistics.get_counter('/err/nat44-classify/next out2in')
+ err = self.statistics.get_err_counter(
+ '/err/nat44-classify/next out2in')
self.assertEqual(err, 1)
def test_del_session(self):
""" Delete NAT44 session """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
pkts = self.create_stream_in(self.pg0, self.pg1)
self.pg0.add_stream(pkts)
sessions = self.vapi.nat44_user_session_dump(self.pg0.remote_ip4n, 0)
nsessions = len(sessions)
- self.vapi.nat44_del_session(sessions[0].inside_ip_address,
- sessions[0].inside_port,
- sessions[0].protocol)
- self.vapi.nat44_del_session(sessions[1].outside_ip_address,
- sessions[1].outside_port,
- sessions[1].protocol,
- is_in=0)
+ self.vapi.nat44_del_session(address=sessions[0].inside_ip_address,
+ port=sessions[0].inside_port,
+ protocol=sessions[0].protocol,
+ flags=self.config_flags.NAT_IS_INSIDE)
+ self.vapi.nat44_del_session(address=sessions[1].outside_ip_address,
+ port=sessions[1].outside_port,
+ protocol=sessions[1].protocol)
sessions = self.vapi.nat44_user_session_dump(self.pg0.remote_ip4n, 0)
self.assertEqual(nsessions - len(sessions), 2)
- self.vapi.nat44_del_session(sessions[0].inside_ip_address,
- sessions[0].inside_port,
- sessions[0].protocol)
+ self.vapi.nat44_del_session(address=sessions[0].inside_ip_address,
+ port=sessions[0].inside_port,
+ protocol=sessions[0].protocol,
+ flags=self.config_flags.NAT_IS_INSIDE)
self.verify_no_nat44_user()
self.vapi.nat_set_reass(timeout=reas_cfg1.ip4_timeout + 5,
max_reass=reas_cfg1.ip4_max_reass * 2,
- max_frag=reas_cfg1.ip4_max_frag * 2)
+ max_frag=reas_cfg1.ip4_max_frag * 2,
+ drop_frag=0)
reas_cfg2 = self.vapi.nat_get_reass()
self.assertEqual(reas_cfg1.ip4_max_reass * 2, reas_cfg2.ip4_max_reass)
self.assertEqual(reas_cfg1.ip4_max_frag * 2, reas_cfg2.ip4_max_frag)
- self.vapi.nat_set_reass(drop_frag=1)
+ self.vapi.nat_set_reass(timeout=2, max_reass=1024, max_frag=5,
+ drop_frag=1)
self.assertTrue(self.vapi.nat_get_reass().ip4_drop_frag)
def test_frag_in_order(self):
""" NAT44 translate fragments arriving in order """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
self.frag_in_order(proto=IP_PROTOS.tcp)
self.frag_in_order(proto=IP_PROTOS.udp)
def test_frag_forwarding(self):
""" NAT44 forwarding fragment test """
- self.vapi.nat44_add_del_interface_addr(self.pg1.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
- self.vapi.nat44_forwarding_enable_disable(1)
-
- data = "A" * 16 + "B" * 16 + "C" * 3
+ self.vapi.nat44_add_del_interface_addr(
+ is_add=1,
+ sw_if_index=self.pg1.sw_if_index)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
+
+ data = b"A" * 16 + b"B" * 16 + b"C" * 3
pkts = self.create_stream_frag(self.pg1,
self.pg0.remote_ip4,
4789,
self.server_out_port = random.randint(1025, 65535)
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# add static mapping for server
self.nat44_add_static_mapping(self.server.ip4, self.nat_addr,
self.server_in_port,
""" NAT44 translate fragments arriving out of order """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
self.frag_out_of_order(proto=IP_PROTOS.tcp)
self.frag_out_of_order(proto=IP_PROTOS.udp)
def test_port_restricted(self):
""" Port restricted NAT44 (MAP-E CE) """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
self.vapi.nat_set_addr_and_port_alloc_alg(alg=1,
psid_offset=6,
psid_length=6,
def test_port_range(self):
""" External address port range """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
self.vapi.nat_set_addr_and_port_alloc_alg(alg=2,
start_port=1025,
end_port=1027)
def test_ipfix_max_frags(self):
""" IPFIX logging maximum fragments pending reassembly exceeded """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
- self.vapi.nat_set_reass(max_frag=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat_set_reass(timeout=2, max_reass=1024, max_frag=1,
+ drop_frag=0)
self.vapi.set_ipfix_exporter(collector_address=self.pg3.remote_ip4n,
src_address=self.pg3.local_ip4n,
path_mtu=512,
template_interval=10)
self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
- src_port=self.ipfix_src_port)
+ src_port=self.ipfix_src_port,
+ enable=1)
- data = "A" * 4 + "B" * 16 + "C" * 3
+ data = b"A" * 4 + b"B" * 16 + b"C" * 3
self.tcp_port_in = random.randint(1025, 65535)
pkts = self.create_stream_frag(self.pg0,
self.pg1.remote_ip4,
self.pg2.resolve_arp()
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
- self.vapi.nat44_interface_add_del_feature(self.pg2.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg2.sw_if_index,
+ is_add=1)
try:
# first VRF
self.verify_capture_in(capture, self.pg0)
finally:
+ self.nat44_add_address(self.nat_addr, is_add=0)
self.pg1.unconfig_ip4()
self.pg2.unconfig_ip4()
self.pg1.set_table_ip4(0)
def test_session_timeout(self):
""" NAT44 session timeouts """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
- self.vapi.nat_set_timeouts(udp=5)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat_set_timeouts(udp=5, tcp_established=7440,
+ tcp_transitory=240, icmp=60)
max_sessions = 1000
pkts = []
def test_mss_clamping(self):
""" TCP MSS clamping """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
# Negotiated MSS value greater than configured - changed
self.verify_mss_value(capture[0], 1000)
- self.vapi.nat_set_mss_clamping(enable=0)
+ self.vapi.nat_set_mss_clamping(enable=0, mss_value=1500)
self.pg0.add_stream(p)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
def test_ha_send(self):
""" Send HA session synchronization events (active) """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
- self.vapi.nat_ha_set_listener(self.pg3.local_ip4, port=12345)
- self.vapi.nat_ha_set_failover(self.pg3.remote_ip4, port=12346)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat_ha_set_listener(ip_address=self.pg3.local_ip4,
+ port=12345,
+ path_mtu=512)
+ self.vapi.nat_ha_set_failover(ip_address=self.pg3.remote_ip4,
+ port=12346, session_refresh_interval=10)
bind_layers(UDP, HANATStateSync, sport=12345)
# create sessions
# delete one session
self.pg_enable_capture(self.pg_interfaces)
- self.vapi.nat44_del_session(self.pg0.remote_ip4n, self.tcp_port_in,
- IP_PROTOS.tcp)
+ self.vapi.nat44_del_session(address=self.pg0.remote_ip4n,
+ port=self.tcp_port_in,
+ protocol=IP_PROTOS.tcp,
+ flags=self.config_flags.NAT_IS_INSIDE)
self.vapi.nat_ha_flush()
stats = self.statistics.get_counter('/nat44/ha/del-event-send')
self.assertEqual(stats[0][0], 1)
def test_ha_recv(self):
""" Receive HA session synchronization events (passive) """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
- self.vapi.nat_ha_set_listener(self.pg3.local_ip4, port=12345)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat_ha_set_listener(ip_address=self.pg3.local_ip4,
+ port=12345,
+ path_mtu=512)
bind_layers(UDP, HANATStateSync, sport=12345)
self.tcp_port_out = random.randint(1025, 65535)
self.assertEqual(sessions[0][0], 2)
users = self.vapi.nat44_user_dump()
self.assertEqual(len(users), 1)
- self.assertEqual(users[0].ip_address, self.pg0.remote_ip4n)
+ self.assertEqual(str(users[0].ip_address),
+ self.pg0.remote_ip4)
# there should be 2 sessions created by HA
sessions = self.vapi.nat44_user_session_dump(users[0].ip_address,
users[0].vrf_id)
self.assertEqual(len(sessions), 2)
for session in sessions:
- self.assertEqual(session.inside_ip_address, self.pg0.remote_ip4n)
- self.assertEqual(session.outside_ip_address, self.nat_addr_n)
+ self.assertEqual(str(session.inside_ip_address),
+ self.pg0.remote_ip4)
+ self.assertEqual(str(session.outside_ip_address),
+ self.nat_addr)
self.assertIn(session.inside_port,
[self.tcp_port_in, self.udp_port_in])
self.assertIn(session.outside_port,
self.assertEqual(hanat.version, 1)
users = self.vapi.nat44_user_dump()
self.assertEqual(len(users), 1)
- self.assertEqual(users[0].ip_address, self.pg0.remote_ip4n)
+ self.assertEqual(str(users[0].ip_address),
+ self.pg0.remote_ip4)
# now we should have only 1 session, 1 deleted by HA
sessions = self.vapi.nat44_user_session_dump(users[0].ip_address,
users[0].vrf_id)
stats = self.statistics.get_counter('/nat44/ha/del-event-recv')
self.assertEqual(stats[0][0], 1)
- stats = self.statistics.get_counter('/err/nat-ha/pkts-processed')
+ stats = self.statistics.get_err_counter('/err/nat-ha/pkts-processed')
self.assertEqual(stats, 2)
# send HA session refresh event to failover/passive
self.assertEqual(hanat.version, 1)
users = self.vapi.nat44_user_dump()
self.assertEqual(len(users), 1)
- self.assertEqual(users[0].ip_address, self.pg0.remote_ip4n)
+ self.assertEqual(str(users[0].ip_address),
+ self.pg0.remote_ip4)
sessions = self.vapi.nat44_user_session_dump(users[0].ip_address,
users[0].vrf_id)
self.assertEqual(len(sessions), 1)
stats = self.statistics.get_counter('/nat44/ha/refresh-event-recv')
self.assertEqual(stats[0][0], 1)
- stats = self.statistics.get_counter('/err/nat-ha/pkts-processed')
+ stats = self.statistics.get_err_counter('/err/nat-ha/pkts-processed')
self.assertEqual(stats, 3)
# send packet to test session created by HA
def tearDown(self):
super(TestNAT44, self).tearDown()
- if not self.vpp_dead:
- self.logger.info(self.vapi.cli("show nat44 addresses"))
- self.logger.info(self.vapi.cli("show nat44 interfaces"))
- self.logger.info(self.vapi.cli("show nat44 static mappings"))
- self.logger.info(self.vapi.cli("show nat44 interface address"))
- self.logger.info(self.vapi.cli("show nat44 sessions detail"))
- self.logger.info(self.vapi.cli("show nat virtual-reassembly"))
- self.logger.info(self.vapi.cli("show nat44 hash tables detail"))
- self.logger.info(self.vapi.cli("show nat timeouts"))
- self.logger.info(
- self.vapi.cli("show nat addr-port-assignment-alg"))
- self.logger.info(self.vapi.cli("show nat ha"))
- self.clear_nat44()
- self.vapi.cli("clear logging")
+ self.clear_nat44()
+ self.vapi.cli("clear logging")
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.cli("show nat44 addresses"))
+ self.logger.info(self.vapi.cli("show nat44 interfaces"))
+ self.logger.info(self.vapi.cli("show nat44 static mappings"))
+ self.logger.info(self.vapi.cli("show nat44 interface address"))
+ self.logger.info(self.vapi.cli("show nat44 sessions detail"))
+ self.logger.info(self.vapi.cli("show nat virtual-reassembly"))
+ self.logger.info(self.vapi.cli("show nat44 hash tables detail"))
+ self.logger.info(self.vapi.cli("show nat timeouts"))
+ self.logger.info(
+ self.vapi.cli("show nat addr-port-assignment-alg"))
+ self.logger.info(self.vapi.cli("show nat ha"))
class TestNAT44EndpointDependent(MethodHolder):
cls.icmp_id_in = 6305
cls.icmp_id_out = 6305
cls.nat_addr = '10.0.0.3'
- cls.nat_addr_n = socket.inet_pton(socket.AF_INET, cls.nat_addr)
cls.ipfix_src_port = 4739
cls.ipfix_domain_id = 1
cls.tcp_external_port = 80
cls.pg5.set_table_ip4(1)
cls.pg5.config_ip4()
cls.pg5.admin_up()
- cls.vapi.ip_add_del_route(dst_address=cls.pg5.remote_ip4n,
- dst_address_length=32,
- table_id=1,
- next_hop_sw_if_index=cls.pg5.sw_if_index,
- next_hop_address=zero_ip4n)
+ r1 = VppIpRoute(cls, cls.pg5.remote_ip4, 32,
+ [VppRoutePath("0.0.0.0",
+ cls.pg5.sw_if_index)],
+ table_id=1,
+ register=False)
+ r1.add_vpp_config()
cls.pg6._local_ip4 = "10.1.2.1"
cls.pg6._local_ip4n = socket.inet_pton(socket.AF_INET,
cls.pg6.set_table_ip4(1)
cls.pg6.config_ip4()
cls.pg6.admin_up()
- cls.vapi.ip_add_del_route(dst_address=cls.pg6.remote_ip4n,
- dst_address_length=32,
- table_id=1,
- next_hop_sw_if_index=cls.pg6.sw_if_index,
- next_hop_address=zero_ip4n)
-
- cls.vapi.ip_add_del_route(dst_address=cls.pg6.remote_ip4n,
- dst_address_length=16,
- next_hop_address=zero_ip4n,
- table_id=0,
- next_hop_table_id=1)
- cls.vapi.ip_add_del_route(dst_address=zero_ip4n,
- dst_address_length=0,
- next_hop_address=zero_ip4n,
- table_id=1,
- next_hop_table_id=0)
- cls.vapi.ip_add_del_route(dst_address=zero_ip4n,
- dst_address_length=0,
- table_id=0,
- next_hop_sw_if_index=cls.pg1.sw_if_index,
- next_hop_address=cls.pg1.local_ip4n)
+
+ r2 = VppIpRoute(cls, cls.pg6.remote_ip4, 32,
+ [VppRoutePath("0.0.0.0",
+ cls.pg6.sw_if_index)],
+ table_id=1,
+ register=False)
+ r3 = VppIpRoute(cls, cls.pg6.remote_ip4, 16,
+ [VppRoutePath("0.0.0.0",
+ 0xffffffff,
+ nh_table_id=1)],
+ table_id=0,
+ register=False)
+ r4 = VppIpRoute(cls, "0.0.0.0", 0,
+ [VppRoutePath("0.0.0.0", 0xffffffff,
+ nh_table_id=0)],
+ table_id=1,
+ register=False)
+ r5 = VppIpRoute(cls, "0.0.0.0", 0,
+ [VppRoutePath(cls.pg1.local_ip4,
+ cls.pg1.sw_if_index)],
+ register=False)
+ r2.add_vpp_config()
+ r3.add_vpp_config()
+ r4.add_vpp_config()
+ r5.add_vpp_config()
cls.pg5.resolve_arp()
cls.pg6.resolve_arp()
super(TestNAT44EndpointDependent, cls).tearDownClass()
raise
+ @classmethod
+ def tearDownClass(cls):
+ super(TestNAT44EndpointDependent, cls).tearDownClass()
+
def test_frag_in_order(self):
""" NAT44 translate fragments arriving in order """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
self.frag_in_order(proto=IP_PROTOS.tcp)
self.frag_in_order(proto=IP_PROTOS.udp)
self.frag_in_order(proto=IP_PROTOS.icmp)
def test_frag_in_order_dont_translate(self):
""" NAT44 don't translate fragments arriving in order """
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
self.vapi.nat44_forwarding_enable_disable(enable=True)
self.frag_in_order(proto=IP_PROTOS.tcp, dont_translate=True)
def test_frag_out_of_order(self):
""" NAT44 translate fragments arriving out of order """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
self.frag_out_of_order(proto=IP_PROTOS.tcp)
self.frag_out_of_order(proto=IP_PROTOS.udp)
self.frag_out_of_order(proto=IP_PROTOS.icmp)
def test_frag_out_of_order_dont_translate(self):
""" NAT44 don't translate fragments arriving out of order """
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
self.vapi.nat44_forwarding_enable_disable(enable=True)
self.frag_out_of_order(proto=IP_PROTOS.tcp, dont_translate=True)
def test_frag_in_order_in_plus_out(self):
""" in+out interface fragments in order """
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
- is_inside=0)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ flags=flags, is_add=1)
self.server = self.pg1.remote_hosts[0]
self.server_out_addr,
proto=IP_PROTOS.icmp)
- self.vapi.nat_set_reass(timeout=10)
+ self.vapi.nat_set_reass(timeout=10, max_reass=1024, max_frag=5,
+ drop_frag=0)
self.frag_in_order_in_plus_out(proto=IP_PROTOS.tcp)
self.frag_in_order_in_plus_out(proto=IP_PROTOS.udp)
def test_frag_out_of_order_in_plus_out(self):
""" in+out interface fragments out of order """
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
- is_inside=0)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ flags=flags, is_add=1)
self.server = self.pg1.remote_hosts[0]
self.server_out_addr,
proto=IP_PROTOS.icmp)
- self.vapi.nat_set_reass(timeout=10)
+ self.vapi.nat_set_reass(timeout=10, max_reass=1024, max_frag=5,
+ drop_frag=0)
self.frag_out_of_order_in_plus_out(proto=IP_PROTOS.tcp)
self.frag_out_of_order_in_plus_out(proto=IP_PROTOS.udp)
self.server_out_port = random.randint(1025, 65535)
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# add static mapping for server
self.nat44_add_static_mapping(self.server.ip4, self.nat_addr,
self.server_in_port,
""" NAT44 dynamic translation test """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
nat_config = self.vapi.nat_show_config()
self.assertEqual(1, nat_config.endpoint_dependent)
# in2out
- tcpn = self.statistics.get_counter(
+ tcpn = self.statistics.get_err_counter(
'/err/nat44-ed-in2out-slowpath/TCP packets')
- udpn = self.statistics.get_counter(
+ udpn = self.statistics.get_err_counter(
'/err/nat44-ed-in2out-slowpath/UDP packets')
- icmpn = self.statistics.get_counter(
+ icmpn = self.statistics.get_err_counter(
'/err/nat44-ed-in2out-slowpath/ICMP packets')
- totaln = self.statistics.get_counter(
+ totaln = self.statistics.get_err_counter(
'/err/nat44-ed-in2out-slowpath/good in2out packets processed')
pkts = self.create_stream_in(self.pg0, self.pg1)
capture = self.pg1.get_capture(len(pkts))
self.verify_capture_out(capture)
- err = self.statistics.get_counter(
+ err = self.statistics.get_err_counter(
'/err/nat44-ed-in2out-slowpath/TCP packets')
self.assertEqual(err - tcpn, 1)
- err = self.statistics.get_counter(
+ err = self.statistics.get_err_counter(
'/err/nat44-ed-in2out-slowpath/UDP packets')
self.assertEqual(err - udpn, 1)
- err = self.statistics.get_counter(
+ err = self.statistics.get_err_counter(
'/err/nat44-ed-in2out-slowpath/ICMP packets')
self.assertEqual(err - icmpn, 1)
- err = self.statistics.get_counter(
+ err = self.statistics.get_err_counter(
'/err/nat44-ed-in2out-slowpath/good in2out packets processed')
self.assertEqual(err - totaln, 3)
# out2in
- tcpn = self.statistics.get_counter('/err/nat44-ed-out2in/TCP packets')
- udpn = self.statistics.get_counter('/err/nat44-ed-out2in/UDP packets')
- icmpn = self.statistics.get_counter(
+ tcpn = self.statistics.get_err_counter(
+ '/err/nat44-ed-out2in/TCP packets')
+ udpn = self.statistics.get_err_counter(
+ '/err/nat44-ed-out2in/UDP packets')
+ icmpn = self.statistics.get_err_counter(
'/err/nat44-ed-out2in-slowpath/ICMP packets')
- totaln = self.statistics.get_counter(
+ totaln = self.statistics.get_err_counter(
'/err/nat44-ed-out2in/good out2in packets processed')
pkts = self.create_stream_out(self.pg1)
capture = self.pg0.get_capture(len(pkts))
self.verify_capture_in(capture, self.pg0)
- err = self.statistics.get_counter('/err/nat44-ed-out2in/TCP packets')
+ err = self.statistics.get_err_counter(
+ '/err/nat44-ed-out2in/TCP packets')
self.assertEqual(err - tcpn, 1)
- err = self.statistics.get_counter('/err/nat44-ed-out2in/UDP packets')
+ err = self.statistics.get_err_counter(
+ '/err/nat44-ed-out2in/UDP packets')
self.assertEqual(err - udpn, 1)
- err = self.statistics.get_counter(
+ err = self.statistics.get_err_counter(
'/err/nat44-ed-out2in-slowpath/ICMP packets')
self.assertEqual(err - icmpn, 1)
- err = self.statistics.get_counter(
+ err = self.statistics.get_err_counter(
'/err/nat44-ed-out2in/good out2in packets processed')
self.assertEqual(err - totaln, 2)
def test_forwarding(self):
""" NAT44 forwarding test """
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
- self.vapi.nat44_forwarding_enable_disable(1)
-
- real_ip = self.pg0.remote_ip4n
- alias_ip = self.nat_addr_n
- self.vapi.nat44_add_del_static_mapping(local_ip=real_ip,
- external_ip=alias_ip)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
+
+ real_ip = self.pg0.remote_ip4
+ alias_ip = self.nat_addr
+ flags = self.config_flags.NAT_IS_ADDR_ONLY
+ self.vapi.nat44_add_del_static_mapping(is_add=1,
+ local_ip_address=real_ip,
+ external_ip_address=alias_ip,
+ external_sw_if_index=0xFFFFFFFF,
+ flags=flags)
try:
# in2out - static mapping match
user = self.pg0.remote_hosts[1]
sessions = self.vapi.nat44_user_session_dump(user.ip4n, 0)
self.assertEqual(len(sessions), 3)
- self.assertTrue(sessions[0].ext_host_valid)
+ self.assertTrue(sessions[0].flags &
+ self.config_flags.NAT_IS_EXT_HOST_VALID)
self.vapi.nat44_del_session(
- sessions[0].inside_ip_address,
- sessions[0].inside_port,
- sessions[0].protocol,
+ address=sessions[0].inside_ip_address,
+ port=sessions[0].inside_port,
+ protocol=sessions[0].protocol,
+ flags=(self.config_flags.NAT_IS_INSIDE |
+ self.config_flags.NAT_IS_EXT_HOST_VALID),
ext_host_address=sessions[0].ext_host_address,
ext_host_port=sessions[0].ext_host_port)
sessions = self.vapi.nat44_user_session_dump(user.ip4n, 0)
self.assertEqual(len(sessions), 2)
finally:
- self.vapi.nat44_forwarding_enable_disable(0)
- self.vapi.nat44_add_del_static_mapping(local_ip=real_ip,
- external_ip=alias_ip,
- is_add=0)
+ self.vapi.nat44_forwarding_enable_disable(enable=0)
+ flags = self.config_flags.NAT_IS_ADDR_ONLY
+ self.vapi.nat44_add_del_static_mapping(
+ is_add=0,
+ local_ip_address=real_ip,
+ external_ip_address=alias_ip,
+ external_sw_if_index=0xFFFFFFFF,
+ flags=flags)
def test_static_lb(self):
""" NAT44 local service load balancing """
- external_addr_n = socket.inet_pton(socket.AF_INET, self.nat_addr)
+ external_addr_n = self.nat_addr
external_port = 80
local_port = 8080
server1 = self.pg0.remote_hosts[0]
'vrf_id': 0}]
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_add_del_lb_static_mapping(external_addr_n,
- external_port,
- IP_PROTOS.tcp,
- local_num=len(locals),
- locals=locals)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ self.vapi.nat44_add_del_lb_static_mapping(
+ is_add=1,
+ external_addr=external_addr_n,
+ external_port=external_port,
+ protocol=IP_PROTOS.tcp,
+ local_num=len(locals),
+ locals=locals)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# from client to service
p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
sessions = self.vapi.nat44_user_session_dump(server.ip4n, 0)
self.assertEqual(len(sessions), 1)
- self.assertTrue(sessions[0].ext_host_valid)
+ self.assertTrue(sessions[0].flags &
+ self.config_flags.NAT_IS_EXT_HOST_VALID)
self.vapi.nat44_del_session(
- sessions[0].inside_ip_address,
- sessions[0].inside_port,
- sessions[0].protocol,
+ address=sessions[0].inside_ip_address,
+ port=sessions[0].inside_port,
+ protocol=sessions[0].protocol,
+ flags=(self.config_flags.NAT_IS_INSIDE |
+ self.config_flags.NAT_IS_EXT_HOST_VALID),
ext_host_address=sessions[0].ext_host_address,
ext_host_port=sessions[0].ext_host_port)
sessions = self.vapi.nat44_user_session_dump(server.ip4n, 0)
def test_static_lb_multi_clients(self):
""" NAT44 local service load balancing - multiple clients"""
- external_addr_n = socket.inet_pton(socket.AF_INET, self.nat_addr)
+ external_addr = self.nat_addr
external_port = 80
local_port = 8080
server1 = self.pg0.remote_hosts[0]
'vrf_id': 0}]
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_add_del_lb_static_mapping(external_addr_n,
- external_port,
- IP_PROTOS.tcp,
+ self.vapi.nat44_add_del_lb_static_mapping(is_add=1,
+ external_addr=external_addr,
+ external_port=external_port,
+ protocol=IP_PROTOS.tcp,
local_num=len(locals),
locals=locals)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
server1_n = 0
server2_n = 0
server2_n += 1
self.assertGreater(server1_n, server2_n)
+ local = {
+ 'addr': server3.ip4n,
+ 'port': local_port,
+ 'probability': 20,
+ 'vrf_id': 0
+ }
+
# add new back-end
- self.vapi.nat44_lb_static_mapping_add_del_local(external_addr_n,
- external_port,
- server3.ip4n,
- local_port,
- IP_PROTOS.tcp,
- 20)
+ self.vapi.nat44_lb_static_mapping_add_del_local(
+ is_add=1,
+ external_addr=external_addr,
+ external_port=external_port,
+ local=local,
+ protocol=IP_PROTOS.tcp)
server1_n = 0
server2_n = 0
server3_n = 0
self.assertGreater(server2_n, 0)
self.assertGreater(server3_n, 0)
+ local = {
+ 'addr': server2.ip4n,
+ 'port': local_port,
+ 'probability': 10,
+ 'vrf_id': 0
+ }
+
# remove one back-end
- self.vapi.nat44_lb_static_mapping_add_del_local(external_addr_n,
- external_port,
- server2.ip4n,
- local_port,
- IP_PROTOS.tcp,
- 10,
- is_add=0)
+ self.vapi.nat44_lb_static_mapping_add_del_local(
+ is_add=0,
+ external_addr=external_addr,
+ external_port=external_port,
+ local=local,
+ protocol=IP_PROTOS.tcp)
server1_n = 0
server2_n = 0
server3_n = 0
def test_static_lb_2(self):
""" NAT44 local service load balancing (asymmetrical rule) """
- external_addr_n = socket.inet_pton(socket.AF_INET, self.nat_addr)
+ external_addr = self.nat_addr
external_port = 80
local_port = 8080
server1 = self.pg0.remote_hosts[0]
'probability': 30,
'vrf_id': 0}]
- self.vapi.nat44_forwarding_enable_disable(1)
- self.vapi.nat44_add_del_lb_static_mapping(external_addr_n,
- external_port,
- IP_PROTOS.tcp,
- out2in_only=1,
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
+ flags = self.config_flags.NAT_IS_OUT2IN_ONLY
+ self.vapi.nat44_add_del_lb_static_mapping(is_add=1, flags=flags,
+ external_addr=external_addr,
+ external_port=external_port,
+ protocol=IP_PROTOS.tcp,
local_num=len(locals),
locals=locals)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# from client to service
p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
def test_lb_affinity(self):
""" NAT44 local service load balancing affinity """
- external_addr_n = socket.inet_pton(socket.AF_INET, self.nat_addr)
+ external_addr = self.nat_addr
external_port = 80
local_port = 8080
server1 = self.pg0.remote_hosts[0]
'vrf_id': 0}]
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_add_del_lb_static_mapping(external_addr_n,
- external_port,
- IP_PROTOS.tcp,
+ self.vapi.nat44_add_del_lb_static_mapping(is_add=1,
+ external_addr=external_addr,
+ external_port=external_port,
+ protocol=IP_PROTOS.tcp,
affinity=10800,
local_num=len(locals),
locals=locals)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
capture = self.pg0.get_capture(1)
backend = capture[0][IP].dst
- sessions = self.vapi.nat44_user_session_dump(
- socket.inet_pton(socket.AF_INET, backend), 0)
+ sessions = self.vapi.nat44_user_session_dump(backend, 0)
self.assertEqual(len(sessions), 1)
- self.assertTrue(sessions[0].ext_host_valid)
+ self.assertTrue(sessions[0].flags &
+ self.config_flags.NAT_IS_EXT_HOST_VALID)
self.vapi.nat44_del_session(
- sessions[0].inside_ip_address,
- sessions[0].inside_port,
- sessions[0].protocol,
+ address=sessions[0].inside_ip_address,
+ port=sessions[0].inside_port,
+ protocol=sessions[0].protocol,
+ flags=(self.config_flags.NAT_IS_INSIDE |
+ self.config_flags.NAT_IS_EXT_HOST_VALID),
ext_host_address=sessions[0].ext_host_address,
ext_host_port=sessions[0].ext_host_port)
def test_unknown_proto(self):
""" NAT44 translate packet with unknown protocol """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# in2out
p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
server_nat_ip = "10.0.0.11"
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# add static mapping for server
self.nat44_add_static_mapping(server.ip4, server_nat_ip)
external_port = 80
local_port = 8080
- self.vapi.nat44_forwarding_enable_disable(1)
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_add_del_identity_mapping(ip=self.pg1.remote_ip4n)
+ flags = self.config_flags.NAT_IS_ADDR_ONLY
+ self.vapi.nat44_add_del_identity_mapping(
+ ip_address=self.pg1.remote_ip4n, sw_if_index=0xFFFFFFFF,
+ flags=flags, is_add=1)
+ flags = self.config_flags.NAT_IS_OUT2IN_ONLY
self.nat44_add_static_mapping(self.pg0.remote_ip4, external_addr,
local_port, external_port,
- proto=IP_PROTOS.tcp, out2in_only=1)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
- is_inside=0)
- self.vapi.nat44_interface_add_del_output_feature(self.pg1.sw_if_index,
- is_inside=0)
+ proto=IP_PROTOS.tcp, flags=flags)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1,
+ sw_if_index=self.pg1.sw_if_index)
# from client to service
p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
def test_output_feature_and_service2(self):
""" NAT44 interface output feature and service host direct access """
- self.vapi.nat44_forwarding_enable_disable(1)
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_output_feature(self.pg1.sw_if_index,
- is_inside=0)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1,
+ sw_if_index=self.pg1.sw_if_index)
- # session initiaded from service host - translate
+ # session initiated from service host - translate
pkts = self.create_stream_in(self.pg0, self.pg1)
self.pg0.add_stream(pkts)
self.pg_enable_capture(self.pg_interfaces)
capture = self.pg0.get_capture(len(pkts))
self.verify_capture_in(capture, self.pg0)
- # session initiaded from remote host - do not translate
+ # session initiated from remote host - do not translate
self.tcp_port_in = 60303
self.udp_port_in = 60304
self.icmp_id_in = 60305
external_port = 80
local_port = 8080
- self.vapi.nat44_forwarding_enable_disable(1)
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_OUT2IN_ONLY
self.nat44_add_static_mapping(self.pg1.remote_ip4, external_addr,
local_port, external_port,
- proto=IP_PROTOS.tcp, out2in_only=1)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
- is_inside=0)
- self.vapi.nat44_interface_add_del_output_feature(self.pg1.sw_if_index,
- is_inside=0)
+ proto=IP_PROTOS.tcp, flags=flags)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1,
+ sw_if_index=self.pg1.sw_if_index)
p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
IP(src=self.pg0.remote_ip4, dst=external_addr) /
local_port = 8080
post_twice_nat_port = 0
- self.vapi.nat44_forwarding_enable_disable(1)
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
self.nat44_add_address(twice_nat_addr, twice_nat=1)
+ flags = (self.config_flags.NAT_IS_OUT2IN_ONLY |
+ self.config_flags.NAT_IS_SELF_TWICE_NAT)
self.nat44_add_static_mapping(self.pg6.remote_ip4, self.pg1.remote_ip4,
local_port, external_port,
- proto=IP_PROTOS.tcp, out2in_only=1,
- self_twice_nat=1, vrf_id=1)
- self.vapi.nat44_interface_add_del_feature(self.pg6.sw_if_index,
- is_inside=0)
+ proto=IP_PROTOS.tcp, vrf_id=1,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg6.sw_if_index,
+ is_add=1)
p = (Ether(src=self.pg6.remote_mac, dst=self.pg6.local_mac) /
IP(src=self.pg6.remote_ip4, dst=self.pg1.remote_ip4) /
self.nat44_add_address(self.nat_addr)
self.nat44_add_address(twice_nat_addr, twice_nat=1)
+
+ flags = 0
+ if self_twice_nat:
+ flags |= self.config_flags.NAT_IS_SELF_TWICE_NAT
+ else:
+ flags |= self.config_flags.NAT_IS_TWICE_NAT
+
if not lb:
self.nat44_add_static_mapping(pg0.remote_ip4, self.nat_addr,
port_in, port_out,
proto=IP_PROTOS.tcp,
- twice_nat=int(not self_twice_nat),
- self_twice_nat=int(self_twice_nat))
+ flags=flags)
else:
locals = [{'addr': server1.ip4n,
'port': port_in1,
'port': port_in2,
'probability': 50,
'vrf_id': 0}]
- out_addr_n = socket.inet_pton(socket.AF_INET, self.nat_addr)
- self.vapi.nat44_add_del_lb_static_mapping(out_addr_n,
- port_out,
- IP_PROTOS.tcp,
- twice_nat=int(
- not self_twice_nat),
- self_twice_nat=int(
- self_twice_nat),
+ out_addr = self.nat_addr
+
+ self.vapi.nat44_add_del_lb_static_mapping(is_add=1, flags=flags,
+ external_addr=out_addr,
+ external_port=port_out,
+ protocol=IP_PROTOS.tcp,
local_num=len(locals),
locals=locals)
- self.vapi.nat44_interface_add_del_feature(pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=pg1.sw_if_index,
+ is_add=1)
if same_pg:
if not lb:
if eh_translate:
sessions = self.vapi.nat44_user_session_dump(server.ip4n, 0)
self.assertEqual(len(sessions), 1)
- self.assertTrue(sessions[0].ext_host_valid)
- self.assertTrue(sessions[0].is_twicenat)
+ self.assertTrue(sessions[0].flags &
+ self.config_flags.NAT_IS_EXT_HOST_VALID)
+ self.assertTrue(sessions[0].flags &
+ self.config_flags.NAT_IS_TWICE_NAT)
+ self.logger.error(self.vapi.cli("show nat44 sessions detail"))
self.vapi.nat44_del_session(
- sessions[0].inside_ip_address,
- sessions[0].inside_port,
- sessions[0].protocol,
+ address=sessions[0].inside_ip_address,
+ port=sessions[0].inside_port,
+ protocol=sessions[0].protocol,
+ flags=(self.config_flags.NAT_IS_INSIDE |
+ self.config_flags.NAT_IS_EXT_HOST_VALID),
ext_host_address=sessions[0].ext_host_nat_address,
ext_host_port=sessions[0].ext_host_nat_port)
sessions = self.vapi.nat44_user_session_dump(server.ip4n, 0)
def test_twice_nat_interface_addr(self):
""" Acquire twice NAT44 addresses from interface """
- self.vapi.nat44_add_del_interface_addr(self.pg3.sw_if_index,
- twice_nat=1)
+ flags = self.config_flags.NAT_IS_TWICE_NAT
+ self.vapi.nat44_add_del_interface_addr(
+ is_add=1,
+ sw_if_index=self.pg3.sw_if_index,
+ flags=flags)
# no address in NAT pool
adresses = self.vapi.nat44_address_dump()
self.pg3.config_ip4()
adresses = self.vapi.nat44_address_dump()
self.assertEqual(1, len(adresses))
- self.assertEqual(adresses[0].ip_address[0:4], self.pg3.local_ip4n)
- self.assertEqual(adresses[0].twice_nat, 1)
+ self.assertEqual(str(adresses[0].ip_address),
+ self.pg3.local_ip4)
+ self.assertEqual(adresses[0].flags, flags)
# remove interface address and check NAT address pool
self.pg3.unconfig_ip4()
def test_tcp_close(self):
""" Close TCP session from inside network - output feature """
- self.vapi.nat44_forwarding_enable_disable(1)
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
self.nat44_add_address(self.pg1.local_ip4)
twice_nat_addr = '10.0.1.3'
service_ip = '192.168.16.150'
self.nat44_add_address(twice_nat_addr, twice_nat=1)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
- is_inside=0)
- self.vapi.nat44_interface_add_del_output_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1,
+ sw_if_index=self.pg1.sw_if_index)
+ flags = (self.config_flags.NAT_IS_OUT2IN_ONLY |
+ self.config_flags.NAT_IS_TWICE_NAT)
self.nat44_add_static_mapping(self.pg0.remote_ip4,
service_ip,
80,
80,
proto=IP_PROTOS.tcp,
- out2in_only=1,
- twice_nat=1)
+ flags=flags)
sessions = self.vapi.nat44_user_session_dump(self.pg0.remote_ip4n, 0)
start_sessnum = len(sessions)
""" Close TCP session from inside network """
self.tcp_port_out = 10505
self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_TWICE_NAT
self.nat44_add_static_mapping(self.pg0.remote_ip4,
self.nat_addr,
self.tcp_port_in,
self.tcp_port_out,
proto=IP_PROTOS.tcp,
- twice_nat=1)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags=flags)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
sessions = self.vapi.nat44_user_session_dump(self.pg0.remote_ip4n, 0)
start_sessnum = len(sessions)
""" Close TCP session from outside network """
self.tcp_port_out = 10505
self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_TWICE_NAT
self.nat44_add_static_mapping(self.pg0.remote_ip4,
self.nat_addr,
self.tcp_port_in,
self.tcp_port_out,
proto=IP_PROTOS.tcp,
- twice_nat=1)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags=flags)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
sessions = self.vapi.nat44_user_session_dump(self.pg0.remote_ip4n, 0)
start_sessnum = len(sessions)
""" Close TCP session from inside network """
self.tcp_port_out = 10505
self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_TWICE_NAT
self.nat44_add_static_mapping(self.pg0.remote_ip4,
self.nat_addr,
self.tcp_port_in,
self.tcp_port_out,
proto=IP_PROTOS.tcp,
- twice_nat=1)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags=flags)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
sessions = self.vapi.nat44_user_session_dump(self.pg0.remote_ip4n, 0)
start_sessnum = len(sessions)
local_port = 8080
eh_port_in = 0
- self.vapi.nat44_forwarding_enable_disable(1)
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
self.nat44_add_address(self.nat_addr, twice_nat=1)
+ flags = (self.config_flags.NAT_IS_OUT2IN_ONLY |
+ self.config_flags.NAT_IS_TWICE_NAT)
self.nat44_add_static_mapping(local_host.ip4, self.nat_addr,
local_port, external_port,
- proto=IP_PROTOS.tcp, out2in_only=1,
- twice_nat=1)
- self.vapi.nat44_interface_add_del_feature(self.pg4.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg4.sw_if_index,
- is_inside=0)
+ proto=IP_PROTOS.tcp, flags=flags)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg4.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg4.sw_if_index,
+ flags=flags, is_add=1)
# from client to service
p = (Ether(src=self.pg4.remote_mac, dst=self.pg4.local_mac) /
external_port = 80
local_port = 8080
- self.vapi.nat44_forwarding_enable_disable(1)
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
+ flags = self.config_flags.NAT_IS_OUT2IN_ONLY
self.nat44_add_static_mapping(self.pg0.remote_ip4, self.nat_addr,
local_port, external_port,
- proto=IP_PROTOS.tcp, out2in_only=1)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ proto=IP_PROTOS.tcp, flags=flags)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# from client to service
p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
def test_output_feature(self):
""" NAT44 interface output feature (in2out postrouting) """
- self.vapi.nat44_forwarding_enable_disable(1)
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
- is_inside=0)
- self.vapi.nat44_interface_add_del_output_feature(self.pg1.sw_if_index,
- is_inside=0)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1,
+ sw_if_index=self.pg1.sw_if_index)
# in2out
pkts = self.create_stream_in(self.pg0, self.pg1)
local_port = 8080
port = 0
- self.vapi.nat44_forwarding_enable_disable(1)
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
- is_inside=0)
- self.vapi.nat44_interface_add_del_output_feature(self.pg1.sw_if_index,
- is_inside=0)
- self.vapi.nat44_interface_add_del_feature(self.pg5.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg5.sw_if_index,
- is_inside=0)
- self.vapi.nat44_interface_add_del_feature(self.pg6.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1,
+ sw_if_index=self.pg1.sw_if_index)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg5.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg5.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg6.sw_if_index,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_OUT2IN_ONLY
self.nat44_add_static_mapping(self.pg5.remote_ip4, external_addr,
local_port, external_port, vrf_id=1,
- proto=IP_PROTOS.tcp, out2in_only=1)
+ proto=IP_PROTOS.tcp, flags=flags)
self.nat44_add_static_mapping(
- self.pg0.remote_ip4, external_sw_if_index=self.pg0.sw_if_index,
- local_port=local_port, vrf_id=0, external_port=external_port,
- proto=IP_PROTOS.tcp, out2in_only=1)
+ self.pg0.remote_ip4,
+ external_sw_if_index=self.pg0.sw_if_index,
+ local_port=local_port,
+ vrf_id=0,
+ external_port=external_port,
+ proto=IP_PROTOS.tcp,
+ flags=flags
+ )
# from client to service (both VRF1)
p = (Ether(src=self.pg6.remote_mac, dst=self.pg6.local_mac) /
def test_session_timeout(self):
""" NAT44 session timeouts """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
- self.vapi.nat_set_timeouts(icmp=5)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat_set_timeouts(udp=300, tcp_established=7440,
+ tcp_transitory=240, icmp=5)
max_sessions = 1000
pkts = []
def test_session_rst_timeout(self):
""" NAT44 session RST timeouts """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
- self.vapi.nat_set_timeouts(tcp_transitory=5)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat_set_timeouts(udp=300, tcp_established=7440,
+ tcp_transitory=5, icmp=60)
self.initiate_tcp_session(self.pg0, self.pg1)
p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
nsessions = 0
users = self.vapi.nat44_user_dump()
self.assertEqual(len(users), 1)
- self.assertEqual(users[0].ip_address, self.pg0.remote_ip4n)
+ self.assertEqual(str(users[0].ip_address),
+ self.pg0.remote_ip4)
self.assertEqual(users[0].nsessions, 1)
@unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_session_limit_per_user(self):
""" Maximum sessions per user limit """
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
self.vapi.set_ipfix_exporter(collector_address=self.pg2.remote_ip4n,
src_address=self.pg2.local_ip4n,
path_mtu=512,
template_interval=10)
- self.vapi.nat_set_timeouts(udp=5)
+ self.vapi.nat_set_timeouts(udp=5, tcp_established=7440,
+ tcp_transitory=240, icmp=60)
# get maximum number of translations per user
nat44_config = self.vapi.nat_show_config()
capture = self.pg1.get_capture(len(pkts))
self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
- src_port=self.ipfix_src_port)
+ src_port=self.ipfix_src_port,
+ enable=1)
p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
def test_syslog_sess(self):
""" Test syslog session creation and deletion """
- self.vapi.syslog_set_filter(SYSLOG_SEVERITY.INFO)
+ self.vapi.syslog_set_filter(
+ self.SYSLOG_SEVERITY.SYSLOG_API_SEVERITY_INFO)
self.vapi.syslog_set_sender(self.pg2.local_ip4n, self.pg2.remote_ip4n)
self.nat44_add_address(self.nat_addr)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
def tearDown(self):
super(TestNAT44EndpointDependent, self).tearDown()
if not self.vpp_dead:
- self.logger.info(self.vapi.cli("show nat44 addresses"))
- self.logger.info(self.vapi.cli("show nat44 interfaces"))
- self.logger.info(self.vapi.cli("show nat44 static mappings"))
- self.logger.info(self.vapi.cli("show nat44 interface address"))
- self.logger.info(self.vapi.cli("show nat44 sessions detail"))
- self.logger.info(self.vapi.cli("show nat44 hash tables detail"))
- self.logger.info(self.vapi.cli("show nat timeouts"))
self.clear_nat44()
self.vapi.cli("clear logging")
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.cli("show nat44 addresses"))
+ self.logger.info(self.vapi.cli("show nat44 interfaces"))
+ self.logger.info(self.vapi.cli("show nat44 static mappings"))
+ self.logger.info(self.vapi.cli("show nat44 interface address"))
+ self.logger.info(self.vapi.cli("show nat44 sessions detail"))
+ self.logger.info(self.vapi.cli("show nat44 hash tables detail"))
+ self.logger.info(self.vapi.cli("show nat timeouts"))
+
class TestNAT44Out2InDPO(MethodHolder):
""" NAT44 Test Cases using out2in DPO """
cls.icmp_id_in = 6305
cls.icmp_id_out = 6305
cls.nat_addr = '10.0.0.3'
- cls.nat_addr_n = socket.inet_pton(socket.AF_INET, cls.nat_addr)
cls.dst_ip4 = '192.168.70.1'
cls.create_pg_interfaces(range(2))
cls.pg1.config_ip6()
cls.pg1.resolve_ndp()
- cls.vapi.ip_add_del_route(is_ipv6=True, dst_address='\x00' * 16,
- dst_address_length=0,
- next_hop_address=cls.pg1.remote_ip6n,
- next_hop_sw_if_index=cls.pg1.sw_if_index)
+ r1 = VppIpRoute(cls, "::", 0,
+ [VppRoutePath(cls.pg1.remote_ip6,
+ cls.pg1.sw_if_index)],
+ register=False)
+ r1.add_vpp_config()
except Exception:
super(TestNAT44Out2InDPO, cls).tearDownClass()
raise
+ @classmethod
+ def tearDownClass(cls):
+ super(TestNAT44Out2InDPO, cls).tearDownClass()
+
def configure_xlat(self):
self.dst_ip6_pfx = '1:2:3::'
self.dst_ip6_pfx_n = socket.inet_pton(socket.AF_INET6,
self.configure_xlat()
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_add_del_address_range(self.nat_addr_n, self.nat_addr_n)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_add_del_address_range(first_ip_address=self.nat_addr_n,
+ last_ip_address=self.nat_addr_n,
+ vrf_id=0xFFFFFFFF, is_add=1)
out_src_ip6 = self.compose_ip6(self.dst_ip4, self.dst_ip6_pfx,
self.dst_ip6_pfx_len)
capture = self.pg0.get_capture(len(pkts))
self.verify_capture_in(capture, self.pg0)
finally:
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
- is_add=0)
- self.vapi.nat44_add_del_address_range(self.nat_addr_n,
- self.nat_addr_n, is_add=0)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_add_del_address_range(
+ first_ip_address=self.nat_addr_n,
+ last_ip_address=self.nat_addr_n,
+ vrf_id=0xFFFFFFFF)
@unittest.skip('Temporary disabled')
def test_464xlat_ce_no_nat(self):
super(TestDeterministicNAT, cls).tearDownClass()
raise
+ @classmethod
+ def tearDownClass(cls):
+ super(TestDeterministicNAT, cls).tearDownClass()
+
def create_stream_in(self, in_if, out_if, ttl=64):
"""
Create packet stream for inside network
:param capture: Captured packets
:param nat_ip: Translated IP address (Default use global NAT address)
- :param same_port: Sorce port number is not translated (Default False)
+ :param same_port: Source port number is not translated (Default False)
"""
if nat_ip is None:
nat_ip = self.nat_addr
in_addr = '172.16.255.0'
out_addr = '172.17.255.50'
in_addr_t = '172.16.255.20'
- in_addr_n = socket.inet_aton(in_addr)
- out_addr_n = socket.inet_aton(out_addr)
- in_addr_t_n = socket.inet_aton(in_addr_t)
in_plen = 24
out_plen = 32
nat_config = self.vapi.nat_show_config()
self.assertEqual(1, nat_config.deterministic)
- self.vapi.nat_det_add_del_map(in_addr_n, in_plen, out_addr_n, out_plen)
+ self.vapi.nat_det_add_del_map(is_add=1, in_addr=in_addr,
+ in_plen=in_plen, out_addr=out_addr,
+ out_plen=out_plen)
- rep1 = self.vapi.nat_det_forward(in_addr_t_n)
- self.assertEqual(rep1.out_addr[:4], out_addr_n)
- rep2 = self.vapi.nat_det_reverse(out_addr_n, rep1.out_port_hi)
- self.assertEqual(rep2.in_addr[:4], in_addr_t_n)
+ rep1 = self.vapi.nat_det_forward(in_addr_t)
+ self.assertEqual(str(rep1.out_addr), out_addr)
+ rep2 = self.vapi.nat_det_reverse(rep1.out_port_hi, out_addr)
+
+ self.assertEqual(str(rep2.in_addr), in_addr_t)
deterministic_mappings = self.vapi.nat_det_map_dump()
self.assertEqual(len(deterministic_mappings), 1)
dsm = deterministic_mappings[0]
- self.assertEqual(in_addr_n, dsm.in_addr[:4])
+ self.assertEqual(in_addr, str(dsm.in_addr))
self.assertEqual(in_plen, dsm.in_plen)
- self.assertEqual(out_addr_n, dsm.out_addr[:4])
+ self.assertEqual(out_addr, str(dsm.out_addr))
self.assertEqual(out_plen, dsm.out_plen)
self.clear_nat_det()
""" Set deterministic NAT timeouts """
timeouts_before = self.vapi.nat_get_timeouts()
- self.vapi.nat_set_timeouts(timeouts_before.udp + 10,
- timeouts_before.tcp_established + 10,
- timeouts_before.tcp_transitory + 10,
- timeouts_before.icmp + 10)
+ self.vapi.nat_set_timeouts(
+ udp=timeouts_before.udp + 10,
+ tcp_established=timeouts_before.tcp_established + 10,
+ tcp_transitory=timeouts_before.tcp_transitory + 10,
+ icmp=timeouts_before.icmp + 10)
timeouts_after = self.vapi.nat_get_timeouts()
nat_ip = "10.0.0.10"
- self.vapi.nat_det_add_del_map(self.pg0.remote_ip4n,
- 32,
- socket.inet_aton(nat_ip),
- 32)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ self.vapi.nat_det_add_del_map(is_add=1, in_addr=self.pg0.remote_ip4n,
+ in_plen=32,
+ out_addr=socket.inet_aton(nat_ip),
+ out_plen=32)
+
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# in2out
pkts = self.create_stream_in(self.pg0, self.pg1)
# TCP session
s = sessions[0]
- self.assertEqual(s.ext_addr[:4], self.pg1.remote_ip4n)
+ self.assertEqual(str(s.ext_addr), self.pg1.remote_ip4)
self.assertEqual(s.in_port, self.tcp_port_in)
self.assertEqual(s.out_port, self.tcp_port_out)
self.assertEqual(s.ext_port, self.tcp_external_port)
# UDP session
s = sessions[1]
- self.assertEqual(s.ext_addr[:4], self.pg1.remote_ip4n)
+ self.assertEqual(str(s.ext_addr), self.pg1.remote_ip4)
self.assertEqual(s.in_port, self.udp_port_in)
self.assertEqual(s.out_port, self.udp_port_out)
self.assertEqual(s.ext_port, self.udp_external_port)
# ICMP session
s = sessions[2]
- self.assertEqual(s.ext_addr[:4], self.pg1.remote_ip4n)
+ self.assertEqual(str(s.ext_addr), self.pg1.remote_ip4)
self.assertEqual(s.in_port, self.icmp_id_in)
self.assertEqual(s.out_port, self.icmp_external_id)
host0 = self.pg0.remote_hosts[0]
host1 = self.pg0.remote_hosts[1]
- self.vapi.nat_det_add_del_map(host0.ip4n,
- 24,
- socket.inet_aton(nat_ip),
- 32)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ self.vapi.nat_det_add_del_map(is_add=1, in_addr=host0.ip4n, in_plen=24,
+ out_addr=socket.inet_aton(nat_ip),
+ out_plen=32)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
# host0 to out
p = (Ether(src=host0.mac, dst=self.pg0.local_mac) /
def test_tcp_session_close_detection_in(self):
""" Deterministic NAT TCP session close from inside network """
- self.vapi.nat_det_add_del_map(self.pg0.remote_ip4n,
- 32,
- socket.inet_aton(self.nat_addr),
- 32)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ self.vapi.nat_det_add_del_map(is_add=1, in_addr=self.pg0.remote_ip4n,
+ in_plen=32,
+ out_addr=socket.inet_aton(self.nat_addr),
+ out_plen=32)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
self.initiate_tcp_session(self.pg0, self.pg1)
def test_tcp_session_close_detection_out(self):
""" Deterministic NAT TCP session close from outside network """
- self.vapi.nat_det_add_del_map(self.pg0.remote_ip4n,
- 32,
- socket.inet_aton(self.nat_addr),
- 32)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ self.vapi.nat_det_add_del_map(is_add=1, in_addr=self.pg0.remote_ip4n,
+ in_plen=32,
+ out_addr=socket.inet_aton(self.nat_addr),
+ out_plen=32)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
self.initiate_tcp_session(self.pg0, self.pg1)
@unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_session_timeout(self):
""" Deterministic NAT session timeouts """
- self.vapi.nat_det_add_del_map(self.pg0.remote_ip4n,
- 32,
- socket.inet_aton(self.nat_addr),
- 32)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ self.vapi.nat_det_add_del_map(is_add=1, in_addr=self.pg0.remote_ip4n,
+ in_plen=32,
+ out_addr=socket.inet_aton(self.nat_addr),
+ out_plen=32)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
self.initiate_tcp_session(self.pg0, self.pg1)
- self.vapi.nat_set_timeouts(5, 5, 5, 5)
+ self.vapi.nat_set_timeouts(udp=5, tcp_established=5, tcp_transitory=5,
+ icmp=5)
pkts = self.create_stream_in(self.pg0, self.pg1)
self.pg0.add_stream(pkts)
self.pg_enable_capture(self.pg_interfaces)
@unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_session_limit_per_user(self):
""" Deterministic NAT maximum sessions per user limit """
- self.vapi.nat_det_add_del_map(self.pg0.remote_ip4n,
- 32,
- socket.inet_aton(self.nat_addr),
- 32)
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
- self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
- is_inside=0)
+ self.vapi.nat_det_add_del_map(is_add=1, in_addr=self.pg0.remote_ip4n,
+ in_plen=32,
+ out_addr=socket.inet_aton(self.nat_addr),
+ out_plen=32)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
self.vapi.set_ipfix_exporter(collector_address=self.pg2.remote_ip4n,
src_address=self.pg2.local_ip4n,
path_mtu=512,
template_interval=10)
- self.vapi.nat_ipfix_enable_disable()
+ self.vapi.nat_ipfix_enable_disable(domain_id=1, src_port=4739,
+ enable=1)
pkts = []
for port in range(1025, 2025):
"""
Clear deterministic NAT configuration.
"""
- self.vapi.nat_ipfix_enable_disable(enable=0)
- self.vapi.nat_set_timeouts()
+ self.vapi.nat_ipfix_enable_disable(domain_id=1, src_port=4739,
+ enable=0)
+ self.vapi.nat_set_timeouts(udp=300, tcp_established=7440,
+ tcp_transitory=240, icmp=60)
deterministic_mappings = self.vapi.nat_det_map_dump()
for dsm in deterministic_mappings:
- self.vapi.nat_det_add_del_map(dsm.in_addr,
- dsm.in_plen,
- dsm.out_addr,
- dsm.out_plen,
- is_add=0)
+ self.vapi.nat_det_add_del_map(is_add=0, in_addr=dsm.in_addr,
+ in_plen=dsm.in_plen,
+ out_addr=dsm.out_addr,
+ out_plen=dsm.out_plen)
interfaces = self.vapi.nat44_interface_dump()
for intf in interfaces:
- self.vapi.nat44_interface_add_del_feature(intf.sw_if_index,
- intf.is_inside,
- is_add=0)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=intf.sw_if_index,
+ flags=intf.flags)
def tearDown(self):
super(TestDeterministicNAT, self).tearDown()
if not self.vpp_dead:
- self.logger.info(self.vapi.cli("show nat44 interfaces"))
- self.logger.info(self.vapi.cli("show nat timeouts"))
- self.logger.info(
- self.vapi.cli("show nat44 deterministic mappings"))
- self.logger.info(
- self.vapi.cli("show nat44 deterministic sessions"))
self.clear_nat_det()
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.cli("show nat44 interfaces"))
+ self.logger.info(self.vapi.cli("show nat timeouts"))
+ self.logger.info(
+ self.vapi.cli("show nat44 deterministic mappings"))
+ self.logger.info(
+ self.vapi.cli("show nat44 deterministic sessions"))
+
class TestNAT64(MethodHolder):
""" NAT64 Test Cases """
cls.nat_addr_n = socket.inet_pton(socket.AF_INET, cls.nat_addr)
cls.vrf1_id = 10
cls.vrf1_nat_addr = '10.0.10.3'
- cls.vrf1_nat_addr_n = socket.inet_pton(socket.AF_INET,
- cls.vrf1_nat_addr)
cls.ipfix_src_port = 4739
cls.ipfix_domain_id = 1
super(TestNAT64, cls).tearDownClass()
raise
+ @classmethod
+ def tearDownClass(cls):
+ super(TestNAT64, cls).tearDownClass()
+
def test_nat64_inside_interface_handles_neighbor_advertisement(self):
""" NAT64 inside interface handles Neighbor Advertisement """
- self.vapi.nat64_add_del_interface(self.pg5.sw_if_index)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg5.sw_if_index)
# Try to send ping
ping = (Ether(dst=self.pg5.local_mac, src=self.pg5.remote_mac) /
def test_pool(self):
""" Add/delete address to NAT64 pool """
- nat_addr = socket.inet_pton(socket.AF_INET, '1.2.3.4')
+ nat_addr = '1.2.3.4'
- self.vapi.nat64_add_del_pool_addr_range(nat_addr, nat_addr)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=nat_addr,
+ end_addr=nat_addr,
+ vrf_id=0xFFFFFFFF, is_add=1)
addresses = self.vapi.nat64_pool_addr_dump()
self.assertEqual(len(addresses), 1)
- self.assertEqual(addresses[0].address, nat_addr)
+ self.assertEqual(str(addresses[0].address), nat_addr)
- self.vapi.nat64_add_del_pool_addr_range(nat_addr, nat_addr, is_add=0)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=nat_addr,
+ end_addr=nat_addr,
+ vrf_id=0xFFFFFFFF, is_add=0)
addresses = self.vapi.nat64_pool_addr_dump()
self.assertEqual(len(addresses), 0)
def test_interface(self):
""" Enable/disable NAT64 feature on the interface """
- self.vapi.nat64_add_del_interface(self.pg0.sw_if_index)
- self.vapi.nat64_add_del_interface(self.pg1.sw_if_index, is_inside=0)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
interfaces = self.vapi.nat64_interface_dump()
self.assertEqual(len(interfaces), 2)
pg1_found = False
for intf in interfaces:
if intf.sw_if_index == self.pg0.sw_if_index:
- self.assertEqual(intf.is_inside, 1)
+ self.assertEqual(intf.flags, self.config_flags.NAT_IS_INSIDE)
pg0_found = True
elif intf.sw_if_index == self.pg1.sw_if_index:
- self.assertEqual(intf.is_inside, 0)
+ self.assertEqual(intf.flags, self.config_flags.NAT_IS_OUTSIDE)
pg1_found = True
self.assertTrue(pg0_found)
self.assertTrue(pg1_found)
features = self.vapi.cli("show interface features pg1")
self.assertIn('nat64-out2in', features)
- self.vapi.nat64_add_del_interface(self.pg0.sw_if_index, is_add=0)
- self.vapi.nat64_add_del_interface(self.pg1.sw_if_index, is_add=0)
+ self.vapi.nat64_add_del_interface(is_add=0, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=0, flags=flags,
+ sw_if_index=self.pg1.sw_if_index)
interfaces = self.vapi.nat64_interface_dump()
self.assertEqual(len(interfaces), 0)
def test_static_bib(self):
""" Add/delete static BIB entry """
- in_addr = socket.inet_pton(socket.AF_INET6,
- '2001:db8:85a3::8a2e:370:7334')
- out_addr = socket.inet_pton(socket.AF_INET, '10.1.1.3')
+ in_addr = '2001:db8:85a3::8a2e:370:7334'
+ out_addr = '10.1.1.3'
in_port = 1234
out_port = 5678
proto = IP_PROTOS.tcp
- self.vapi.nat64_add_del_static_bib(in_addr,
- out_addr,
- in_port,
- out_port,
- proto)
- bib = self.vapi.nat64_bib_dump(IP_PROTOS.tcp)
+ self.vapi.nat64_add_del_static_bib(i_addr=in_addr, o_addr=out_addr,
+ i_port=in_port, o_port=out_port,
+ proto=proto, vrf_id=0, is_add=1)
+ bib = self.vapi.nat64_bib_dump(proto=IP_PROTOS.tcp)
static_bib_num = 0
for bibe in bib:
- if bibe.is_static:
+ if bibe.flags & self.config_flags.NAT_IS_STATIC:
static_bib_num += 1
- self.assertEqual(bibe.i_addr, in_addr)
- self.assertEqual(bibe.o_addr, out_addr)
+ self.assertEqual(str(bibe.i_addr), in_addr)
+ self.assertEqual(str(bibe.o_addr), out_addr)
self.assertEqual(bibe.i_port, in_port)
self.assertEqual(bibe.o_port, out_port)
self.assertEqual(static_bib_num, 1)
bibs = self.statistics.get_counter('/nat64/total-bibs')
self.assertEqual(bibs[0][0], 1)
- self.vapi.nat64_add_del_static_bib(in_addr,
- out_addr,
- in_port,
- out_port,
- proto,
- is_add=0)
- bib = self.vapi.nat64_bib_dump(IP_PROTOS.tcp)
+ self.vapi.nat64_add_del_static_bib(i_addr=in_addr, o_addr=out_addr,
+ i_port=in_port, o_port=out_port,
+ proto=proto, vrf_id=0, is_add=0)
+ bib = self.vapi.nat64_bib_dump(proto=IP_PROTOS.tcp)
static_bib_num = 0
for bibe in bib:
- if bibe.is_static:
+ if bibe.flags & self.config_flags.NAT_IS_STATIC:
static_bib_num += 1
self.assertEqual(static_bib_num, 0)
bibs = self.statistics.get_counter('/nat64/total-bibs')
self.assertEqual(timeouts.tcp_established, 7440)
# set and verify custom values
- self.vapi.nat_set_timeouts(udp=200, icmp=30, tcp_transitory=250,
- tcp_established=7450)
+ self.vapi.nat_set_timeouts(udp=200, tcp_established=7450,
+ tcp_transitory=250, icmp=30)
timeouts = self.vapi.nat_get_timeouts()
self.assertEqual(timeouts.udp, 200)
self.assertEqual(timeouts.icmp, 30)
ses_num_start = self.nat64_get_ses_num()
- self.vapi.nat64_add_del_pool_addr_range(self.nat_addr_n,
- self.nat_addr_n)
- self.vapi.nat64_add_del_interface(self.pg0.sw_if_index)
- self.vapi.nat64_add_del_interface(self.pg1.sw_if_index, is_inside=0)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
# in2out
- tcpn = self.statistics.get_counter('/err/nat64-in2out/TCP packets')
- udpn = self.statistics.get_counter('/err/nat64-in2out/UDP packets')
- icmpn = self.statistics.get_counter('/err/nat64-in2out/ICMP packets')
- totaln = self.statistics.get_counter(
+ tcpn = self.statistics.get_err_counter('/err/nat64-in2out/TCP packets')
+ udpn = self.statistics.get_err_counter('/err/nat64-in2out/UDP packets')
+ icmpn = self.statistics.get_err_counter(
+ '/err/nat64-in2out/ICMP packets')
+ totaln = self.statistics.get_err_counter(
'/err/nat64-in2out/good in2out packets processed')
pkts = self.create_stream_in_ip6(self.pg0, self.pg1)
self.verify_capture_out(capture, nat_ip=self.nat_addr,
dst_ip=self.pg1.remote_ip4)
- err = self.statistics.get_counter('/err/nat64-in2out/TCP packets')
+ err = self.statistics.get_err_counter('/err/nat64-in2out/TCP packets')
self.assertEqual(err - tcpn, 1)
- err = self.statistics.get_counter('/err/nat64-in2out/UDP packets')
+ err = self.statistics.get_err_counter('/err/nat64-in2out/UDP packets')
self.assertEqual(err - udpn, 1)
- err = self.statistics.get_counter('/err/nat64-in2out/ICMP packets')
+ err = self.statistics.get_err_counter('/err/nat64-in2out/ICMP packets')
self.assertEqual(err - icmpn, 1)
- err = self.statistics.get_counter(
+ err = self.statistics.get_err_counter(
'/err/nat64-in2out/good in2out packets processed')
self.assertEqual(err - totaln, 3)
# out2in
- tcpn = self.statistics.get_counter('/err/nat64-out2in/TCP packets')
- udpn = self.statistics.get_counter('/err/nat64-out2in/UDP packets')
- icmpn = self.statistics.get_counter('/err/nat64-out2in/ICMP packets')
- totaln = self.statistics.get_counter(
+ tcpn = self.statistics.get_err_counter('/err/nat64-out2in/TCP packets')
+ udpn = self.statistics.get_err_counter('/err/nat64-out2in/UDP packets')
+ icmpn = self.statistics.get_err_counter(
+ '/err/nat64-out2in/ICMP packets')
+ totaln = self.statistics.get_err_counter(
'/err/nat64-out2in/good out2in packets processed')
pkts = self.create_stream_out(self.pg1, dst_ip=self.nat_addr)
ip = IPv6(src=''.join(['64:ff9b::', self.pg1.remote_ip4]))
self.verify_capture_in_ip6(capture, ip[IPv6].src, self.pg0.remote_ip6)
- err = self.statistics.get_counter('/err/nat64-out2in/TCP packets')
+ err = self.statistics.get_err_counter('/err/nat64-out2in/TCP packets')
self.assertEqual(err - tcpn, 1)
- err = self.statistics.get_counter('/err/nat64-out2in/UDP packets')
+ err = self.statistics.get_err_counter('/err/nat64-out2in/UDP packets')
self.assertEqual(err - udpn, 1)
- err = self.statistics.get_counter('/err/nat64-out2in/ICMP packets')
+ err = self.statistics.get_err_counter('/err/nat64-out2in/ICMP packets')
self.assertEqual(err - icmpn, 1)
- err = self.statistics.get_counter(
+ err = self.statistics.get_err_counter(
'/err/nat64-out2in/good out2in packets processed')
self.assertEqual(err - totaln, 3)
self.assertEqual(ses_num_end - ses_num_start, 3)
# tenant with specific VRF
- self.vapi.nat64_add_del_pool_addr_range(self.vrf1_nat_addr_n,
- self.vrf1_nat_addr_n,
- vrf_id=self.vrf1_id)
- self.vapi.nat64_add_del_interface(self.pg2.sw_if_index)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.vrf1_nat_addr,
+ end_addr=self.vrf1_nat_addr,
+ vrf_id=self.vrf1_id, is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg2.sw_if_index)
pkts = self.create_stream_in_ip6(self.pg2, self.pg1)
self.pg2.add_stream(pkts)
ses_num_start = self.nat64_get_ses_num()
- self.vapi.nat64_add_del_pool_addr_range(self.nat_addr_n,
- self.nat_addr_n)
- self.vapi.nat64_add_del_interface(self.pg0.sw_if_index)
- self.vapi.nat64_add_del_interface(self.pg1.sw_if_index, is_inside=0)
-
- self.vapi.nat64_add_del_static_bib(self.pg0.remote_ip6n,
- self.nat_addr_n,
- self.tcp_port_in,
- self.tcp_port_out,
- IP_PROTOS.tcp)
- self.vapi.nat64_add_del_static_bib(self.pg0.remote_ip6n,
- self.nat_addr_n,
- self.udp_port_in,
- self.udp_port_out,
- IP_PROTOS.udp)
- self.vapi.nat64_add_del_static_bib(self.pg0.remote_ip6n,
- self.nat_addr_n,
- self.icmp_id_in,
- self.icmp_id_out,
- IP_PROTOS.icmp)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+
+ self.vapi.nat64_add_del_static_bib(i_addr=self.pg0.remote_ip6n,
+ o_addr=self.nat_addr,
+ i_port=self.tcp_port_in,
+ o_port=self.tcp_port_out,
+ proto=IP_PROTOS.tcp, vrf_id=0,
+ is_add=1)
+ self.vapi.nat64_add_del_static_bib(i_addr=self.pg0.remote_ip6n,
+ o_addr=self.nat_addr,
+ i_port=self.udp_port_in,
+ o_port=self.udp_port_out,
+ proto=IP_PROTOS.udp, vrf_id=0,
+ is_add=1)
+ self.vapi.nat64_add_del_static_bib(i_addr=self.pg0.remote_ip6n,
+ o_addr=self.nat_addr,
+ i_port=self.icmp_id_in,
+ o_port=self.icmp_id_out,
+ proto=IP_PROTOS.icmp, vrf_id=0,
+ is_add=1)
# in2out
pkts = self.create_stream_in_ip6(self.pg0, self.pg1)
def test_session_timeout(self):
""" NAT64 session timeout """
self.icmp_id_in = 1234
- self.vapi.nat64_add_del_pool_addr_range(self.nat_addr_n,
- self.nat_addr_n)
- self.vapi.nat64_add_del_interface(self.pg0.sw_if_index)
- self.vapi.nat64_add_del_interface(self.pg1.sw_if_index, is_inside=0)
- self.vapi.nat_set_timeouts(icmp=5, tcp_transitory=5, tcp_established=5)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+ self.vapi.nat_set_timeouts(udp=300, tcp_established=5,
+ tcp_transitory=5,
+ icmp=5)
pkts = self.create_stream_in_ip6(self.pg0, self.pg1)
self.pg0.add_stream(pkts)
self.udp_port_in = 6304
self.icmp_id_in = 6305
- self.vapi.nat64_add_del_pool_addr_range(self.nat_addr_n,
- self.nat_addr_n)
- self.vapi.nat64_add_del_interface(self.pg0.sw_if_index)
- self.vapi.nat64_add_del_interface(self.pg1.sw_if_index, is_inside=0)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
# send some packets to create sessions
pkts = self.create_stream_in_ip6(self.pg0, self.pg1)
ip = IPv6(src=''.join(['64:ff9b::', self.nat_addr]))
nat_addr_ip6 = ip.src
- self.vapi.nat64_add_del_pool_addr_range(self.nat_addr_n,
- self.nat_addr_n)
- self.vapi.nat64_add_del_interface(self.pg0.sw_if_index)
- self.vapi.nat64_add_del_interface(self.pg1.sw_if_index, is_inside=0)
-
- self.vapi.nat64_add_del_static_bib(server.ip6n,
- self.nat_addr_n,
- server_tcp_in_port,
- server_tcp_out_port,
- IP_PROTOS.tcp)
- self.vapi.nat64_add_del_static_bib(server.ip6n,
- self.nat_addr_n,
- server_udp_in_port,
- server_udp_out_port,
- IP_PROTOS.udp)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+
+ self.vapi.nat64_add_del_static_bib(i_addr=server.ip6n,
+ o_addr=self.nat_addr,
+ i_port=server_tcp_in_port,
+ o_port=server_tcp_out_port,
+ proto=IP_PROTOS.tcp, vrf_id=0,
+ is_add=1)
+ self.vapi.nat64_add_del_static_bib(i_addr=server.ip6n,
+ o_addr=self.nat_addr,
+ i_port=server_udp_in_port,
+ o_port=server_udp_out_port,
+ proto=IP_PROTOS.udp, vrf_id=0,
+ is_add=1)
# client to server
pkts = []
def test_prefix(self):
""" NAT64 Network-Specific Prefix """
- self.vapi.nat64_add_del_pool_addr_range(self.nat_addr_n,
- self.nat_addr_n)
- self.vapi.nat64_add_del_interface(self.pg0.sw_if_index)
- self.vapi.nat64_add_del_interface(self.pg1.sw_if_index, is_inside=0)
- self.vapi.nat64_add_del_pool_addr_range(self.vrf1_nat_addr_n,
- self.vrf1_nat_addr_n,
- vrf_id=self.vrf1_id)
- self.vapi.nat64_add_del_interface(self.pg2.sw_if_index)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.vrf1_nat_addr,
+ end_addr=self.vrf1_nat_addr,
+ vrf_id=self.vrf1_id, is_add=1)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg2.sw_if_index)
# Add global prefix
global_pref64 = "2001:db8::"
- global_pref64_n = socket.inet_pton(socket.AF_INET6, global_pref64)
global_pref64_len = 32
- self.vapi.nat64_add_del_prefix(global_pref64_n, global_pref64_len)
+ global_pref64_str = "{}/{}".format(global_pref64, global_pref64_len)
+ self.vapi.nat64_add_del_prefix(prefix=global_pref64_str, vrf_id=0,
+ is_add=1)
prefix = self.vapi.nat64_prefix_dump()
self.assertEqual(len(prefix), 1)
- self.assertEqual(prefix[0].prefix, global_pref64_n)
- self.assertEqual(prefix[0].prefix_len, global_pref64_len)
+ self.assertEqual(prefix[0].prefix,
+ IPv6Network(unicode(global_pref64_str)))
self.assertEqual(prefix[0].vrf_id, 0)
# Add tenant specific prefix
vrf1_pref64 = "2001:db8:122:300::"
- vrf1_pref64_n = socket.inet_pton(socket.AF_INET6, vrf1_pref64)
vrf1_pref64_len = 56
- self.vapi.nat64_add_del_prefix(vrf1_pref64_n,
- vrf1_pref64_len,
- vrf_id=self.vrf1_id)
+ vrf1_pref64_str = "{}/{}".format(vrf1_pref64, vrf1_pref64_len)
+ self.vapi.nat64_add_del_prefix(prefix=vrf1_pref64_str,
+ vrf_id=self.vrf1_id, is_add=1)
+
prefix = self.vapi.nat64_prefix_dump()
self.assertEqual(len(prefix), 2)
def test_unknown_proto(self):
""" NAT64 translate packet with unknown protocol """
- self.vapi.nat64_add_del_pool_addr_range(self.nat_addr_n,
- self.nat_addr_n)
- self.vapi.nat64_add_del_interface(self.pg0.sw_if_index)
- self.vapi.nat64_add_del_interface(self.pg1.sw_if_index, is_inside=0)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
remote_ip6 = self.compose_ip6(self.pg1.remote_ip4, '64:ff9b::', 96)
# in2out
client_tcp_out_port = 1235
server_nat_ip = "10.0.0.100"
client_nat_ip = "10.0.0.110"
- server_nat_ip_n = socket.inet_pton(socket.AF_INET, server_nat_ip)
- client_nat_ip_n = socket.inet_pton(socket.AF_INET, client_nat_ip)
server_nat_ip6 = self.compose_ip6(server_nat_ip, '64:ff9b::', 96)
client_nat_ip6 = self.compose_ip6(client_nat_ip, '64:ff9b::', 96)
- self.vapi.nat64_add_del_pool_addr_range(server_nat_ip_n,
- client_nat_ip_n)
- self.vapi.nat64_add_del_interface(self.pg0.sw_if_index)
- self.vapi.nat64_add_del_interface(self.pg1.sw_if_index, is_inside=0)
-
- self.vapi.nat64_add_del_static_bib(server.ip6n,
- server_nat_ip_n,
- server_tcp_in_port,
- server_tcp_out_port,
- IP_PROTOS.tcp)
-
- self.vapi.nat64_add_del_static_bib(server.ip6n,
- server_nat_ip_n,
- 0,
- 0,
- IP_PROTOS.gre)
-
- self.vapi.nat64_add_del_static_bib(client.ip6n,
- client_nat_ip_n,
- client_tcp_in_port,
- client_tcp_out_port,
- IP_PROTOS.tcp)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=server_nat_ip,
+ end_addr=client_nat_ip,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+
+ self.vapi.nat64_add_del_static_bib(i_addr=server.ip6n,
+ o_addr=server_nat_ip,
+ i_port=server_tcp_in_port,
+ o_port=server_tcp_out_port,
+ proto=IP_PROTOS.tcp, vrf_id=0,
+ is_add=1)
+
+ self.vapi.nat64_add_del_static_bib(i_addr=server.ip6n,
+ o_addr=server_nat_ip, i_port=0,
+ o_port=0,
+ proto=IP_PROTOS.gre, vrf_id=0,
+ is_add=1)
+
+ self.vapi.nat64_add_del_static_bib(i_addr=client.ip6n,
+ o_addr=client_nat_ip,
+ i_port=client_tcp_in_port,
+ o_port=client_tcp_out_port,
+ proto=IP_PROTOS.tcp, vrf_id=0,
+ is_add=1)
# client to server
p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
'64:ff9b::',
96)
- self.vapi.nat64_add_del_pool_addr_range(self.nat_addr_n,
- self.nat_addr_n)
- self.vapi.nat64_add_del_interface(self.pg3.sw_if_index)
- self.vapi.nat64_add_del_interface(self.pg3.sw_if_index, is_inside=0)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg3.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg3.sw_if_index)
# in2out
p = (Ether(src=self.pg3.remote_mac, dst=self.pg3.local_mac) /
""" NAT64 translate fragments arriving in order """
self.tcp_port_in = random.randint(1025, 65535)
- self.vapi.nat64_add_del_pool_addr_range(self.nat_addr_n,
- self.nat_addr_n)
- self.vapi.nat64_add_del_interface(self.pg0.sw_if_index)
- self.vapi.nat64_add_del_interface(self.pg1.sw_if_index, is_inside=0)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
reass = self.vapi.nat_reass_dump()
reass_n_start = len(reass)
# in2out
- data = 'a' * 200
+ data = b'a' * 200
pkts = self.create_stream_frag_ip6(self.pg0, self.pg1.remote_ip4,
self.tcp_port_in, 20, data)
self.pg0.add_stream(pkts)
self.assertEqual(data, p[Raw].load)
# out2in
- data = "A" * 4 + "b" * 16 + "C" * 3
+ data = b"A" * 4 + b"b" * 16 + b"C" * 3
pkts = self.create_stream_frag(self.pg1,
self.nat_addr,
20,
ip = IPv6(src=''.join(['64:ff9b::', self.nat_addr]))
nat_addr_ip6 = ip.src
- self.vapi.nat64_add_del_pool_addr_range(self.nat_addr_n,
- self.nat_addr_n)
- self.vapi.nat64_add_del_interface(self.pg0.sw_if_index)
- self.vapi.nat64_add_del_interface(self.pg1.sw_if_index, is_inside=0)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
# add static BIB entry for server
- self.vapi.nat64_add_del_static_bib(server.ip6n,
- self.nat_addr_n,
- server_in_port,
- server_out_port,
- IP_PROTOS.tcp)
+ self.vapi.nat64_add_del_static_bib(i_addr=server.ip6n,
+ o_addr=self.nat_addr,
+ i_port=server_in_port,
+ o_port=server_out_port,
+ proto=IP_PROTOS.tcp, vrf_id=0,
+ is_add=1)
# send packet from host to server
pkts = self.create_stream_frag_ip6(self.pg0,
""" NAT64 translate fragments arriving out of order """
self.tcp_port_in = random.randint(1025, 65535)
- self.vapi.nat64_add_del_pool_addr_range(self.nat_addr_n,
- self.nat_addr_n)
- self.vapi.nat64_add_del_interface(self.pg0.sw_if_index)
- self.vapi.nat64_add_del_interface(self.pg1.sw_if_index, is_inside=0)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
# in2out
- data = 'a' * 200
+ data = b'a' * 200
pkts = self.create_stream_frag_ip6(self.pg0, self.pg1.remote_ip4,
self.tcp_port_in, 20, data)
pkts.reverse()
self.assertEqual(data, p[Raw].load)
# out2in
- data = "A" * 4 + "B" * 16 + "C" * 3
+ data = b"A" * 4 + b"B" * 16 + b"C" * 3
pkts = self.create_stream_frag(self.pg1,
self.nat_addr,
20,
def test_interface_addr(self):
""" Acquire NAT64 pool addresses from interface """
- self.vapi.nat64_add_del_interface_addr(self.pg4.sw_if_index)
+ self.vapi.nat64_add_del_interface_addr(
+ is_add=1,
+ sw_if_index=self.pg4.sw_if_index)
# no address in NAT64 pool
- adresses = self.vapi.nat44_address_dump()
- self.assertEqual(0, len(adresses))
+ addresses = self.vapi.nat44_address_dump()
+ self.assertEqual(0, len(addresses))
# configure interface address and check NAT64 address pool
self.pg4.config_ip4()
addresses = self.vapi.nat64_pool_addr_dump()
self.assertEqual(len(addresses), 1)
- self.assertEqual(addresses[0].address, self.pg4.local_ip4n)
+
+ self.assertEqual(str(addresses[0].address),
+ self.pg4.local_ip4)
# remove interface address and check NAT64 address pool
self.pg4.unconfig_ip4()
addresses = self.vapi.nat64_pool_addr_dump()
- self.assertEqual(0, len(adresses))
+ self.assertEqual(0, len(addresses))
@unittest.skipUnless(running_extended_tests, "part of extended tests")
def test_ipfix_max_bibs_sessions(self):
'64:ff9b::',
96)
- self.vapi.nat64_add_del_pool_addr_range(self.nat_addr_n,
- self.nat_addr_n)
- self.vapi.nat64_add_del_interface(self.pg0.sw_if_index)
- self.vapi.nat64_add_del_interface(self.pg1.sw_if_index, is_inside=0)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
pkts = []
src = ""
path_mtu=512,
template_interval=10)
self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
- src_port=self.ipfix_src_port)
+ src_port=self.ipfix_src_port,
+ enable=1)
p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
IPv6(src=src, dst=remote_host_ip6) /
def test_ipfix_max_frags(self):
""" IPFIX logging maximum fragments pending reassembly exceeded """
- self.vapi.nat64_add_del_pool_addr_range(self.nat_addr_n,
- self.nat_addr_n)
- self.vapi.nat64_add_del_interface(self.pg0.sw_if_index)
- self.vapi.nat64_add_del_interface(self.pg1.sw_if_index, is_inside=0)
- self.vapi.nat_set_reass(max_frag=1, is_ip6=1)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+ self.vapi.nat_set_reass(timeout=2, max_reass=1024, max_frag=1,
+ drop_frag=0, is_ip6=1)
self.vapi.set_ipfix_exporter(collector_address=self.pg3.remote_ip4n,
src_address=self.pg3.local_ip4n,
path_mtu=512,
template_interval=10)
self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
- src_port=self.ipfix_src_port)
+ src_port=self.ipfix_src_port,
+ enable=1)
- data = 'a' * 200
+ data = b'a' * 200
pkts = self.create_stream_frag_ip6(self.pg0, self.pg1.remote_ip4,
self.tcp_port_in, 20, data)
pkts.reverse()
'64:ff9b::',
96)
- self.vapi.nat64_add_del_pool_addr_range(self.nat_addr_n,
- self.nat_addr_n)
- self.vapi.nat64_add_del_interface(self.pg0.sw_if_index)
- self.vapi.nat64_add_del_interface(self.pg1.sw_if_index, is_inside=0)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
self.vapi.set_ipfix_exporter(collector_address=self.pg3.remote_ip4n,
src_address=self.pg3.local_ip4n,
path_mtu=512,
template_interval=10)
self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
- src_port=self.ipfix_src_port)
+ src_port=self.ipfix_src_port,
+ enable=1)
# Create
p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
for p in capture:
if p.haslayer(Data):
data = ipfix.decode_data_set(p.getlayer(Set))
- if ord(data[0][230]) == 10:
+ if scapy.compat.orb(data[0][230]) == 10:
self.verify_ipfix_bib(data, 1, self.pg0.remote_ip6n)
- elif ord(data[0][230]) == 6:
+ elif scapy.compat.orb(data[0][230]) == 6:
self.verify_ipfix_nat64_ses(data,
1,
self.pg0.remote_ip6n,
# Delete
self.pg_enable_capture(self.pg_interfaces)
- self.vapi.nat64_add_del_pool_addr_range(self.nat_addr_n,
- self.nat_addr_n,
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
is_add=0)
self.vapi.cli("ipfix flush") # FIXME this should be an API call
capture = self.pg3.get_capture(2)
self.ipfix_domain_id)
if p.haslayer(Data):
data = ipfix.decode_data_set(p.getlayer(Set))
- if ord(data[0][230]) == 11:
+ if scapy.compat.orb(data[0][230]) == 11:
self.verify_ipfix_bib(data, 0, self.pg0.remote_ip6n)
- elif ord(data[0][230]) == 7:
+ elif scapy.compat.orb(data[0][230]) == 7:
self.verify_ipfix_nat64_ses(data,
0,
self.pg0.remote_ip6n,
'64:ff9b::',
96)
- self.vapi.nat64_add_del_pool_addr_range(self.nat_addr_n,
- self.nat_addr_n)
- self.vapi.nat64_add_del_interface(self.pg0.sw_if_index)
- self.vapi.nat64_add_del_interface(self.pg1.sw_if_index, is_inside=0)
- self.vapi.syslog_set_filter(SYSLOG_SEVERITY.INFO)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+ self.vapi.syslog_set_filter(
+ self.SYSLOG_SEVERITY.SYSLOG_API_SEVERITY_INFO)
self.vapi.syslog_set_sender(self.pg3.local_ip4n, self.pg3.remote_ip4n)
p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
- self.vapi.nat64_add_del_pool_addr_range(self.nat_addr_n,
- self.nat_addr_n,
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
is_add=0)
capture = self.pg3.get_capture(1)
self.verify_syslog_sess(capture[0][Raw].load, False, True)
"""
Return number of active NAT64 sessions.
"""
- st = self.vapi.nat64_st_dump()
+ st = self.vapi.nat64_st_dump(proto=255)
return len(st)
def clear_nat64(self):
"""
Clear NAT64 configuration.
"""
- self.vapi.nat_ipfix_enable_disable(enable=0,
+ self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
src_port=self.ipfix_src_port,
- domain_id=self.ipfix_domain_id)
+ enable=0)
self.ipfix_src_port = 4739
self.ipfix_domain_id = 1
- self.vapi.syslog_set_filter(SYSLOG_SEVERITY.EMERG)
+ self.vapi.syslog_set_filter(
+ self.SYSLOG_SEVERITY.SYSLOG_API_SEVERITY_EMERG)
- self.vapi.nat_set_timeouts()
+ self.vapi.nat_set_timeouts(udp=300, tcp_established=7440,
+ tcp_transitory=240, icmp=60)
interfaces = self.vapi.nat64_interface_dump()
for intf in interfaces:
- if intf.is_inside > 1:
- self.vapi.nat64_add_del_interface(intf.sw_if_index,
- 0,
- is_add=0)
- self.vapi.nat64_add_del_interface(intf.sw_if_index,
- intf.is_inside,
- is_add=0)
-
- bib = self.vapi.nat64_bib_dump(255)
+ self.vapi.nat64_add_del_interface(is_add=0, flags=intf.flags,
+ sw_if_index=intf.sw_if_index)
+
+ bib = self.vapi.nat64_bib_dump(proto=255)
for bibe in bib:
- if bibe.is_static:
- self.vapi.nat64_add_del_static_bib(bibe.i_addr,
- bibe.o_addr,
- bibe.i_port,
- bibe.o_port,
- bibe.proto,
- bibe.vrf_id,
+ if bibe.flags & self.config_flags.NAT_IS_STATIC:
+ self.vapi.nat64_add_del_static_bib(i_addr=bibe.i_addr,
+ o_addr=bibe.o_addr,
+ i_port=bibe.i_port,
+ o_port=bibe.o_port,
+ proto=bibe.proto,
+ vrf_id=bibe.vrf_id,
is_add=0)
adresses = self.vapi.nat64_pool_addr_dump()
for addr in adresses:
- self.vapi.nat64_add_del_pool_addr_range(addr.address,
- addr.address,
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=addr.address,
+ end_addr=addr.address,
vrf_id=addr.vrf_id,
is_add=0)
prefixes = self.vapi.nat64_prefix_dump()
for prefix in prefixes:
- self.vapi.nat64_add_del_prefix(prefix.prefix,
- prefix.prefix_len,
- vrf_id=prefix.vrf_id,
- is_add=0)
+ self.vapi.nat64_add_del_prefix(prefix=str(prefix.prefix),
+ vrf_id=prefix.vrf_id, is_add=0)
bibs = self.statistics.get_counter('/nat64/total-bibs')
self.assertEqual(bibs[0][0], 0)
def tearDown(self):
super(TestNAT64, self).tearDown()
if not self.vpp_dead:
- self.logger.info(self.vapi.cli("show nat64 pool"))
- self.logger.info(self.vapi.cli("show nat64 interfaces"))
- self.logger.info(self.vapi.cli("show nat64 prefix"))
- self.logger.info(self.vapi.cli("show nat64 bib all"))
- self.logger.info(self.vapi.cli("show nat64 session table all"))
- self.logger.info(self.vapi.cli("show nat virtual-reassembly"))
self.clear_nat64()
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.cli("show nat64 pool"))
+ self.logger.info(self.vapi.cli("show nat64 interfaces"))
+ self.logger.info(self.vapi.cli("show nat64 prefix"))
+ self.logger.info(self.vapi.cli("show nat64 bib all"))
+ self.logger.info(self.vapi.cli("show nat64 session table all"))
+ self.logger.info(self.vapi.cli("show nat virtual-reassembly"))
+
class TestDSlite(MethodHolder):
""" DS-Lite Test Cases """
try:
cls.nat_addr = '10.0.0.3'
- cls.nat_addr_n = socket.inet_pton(socket.AF_INET, cls.nat_addr)
cls.create_pg_interfaces(range(3))
cls.pg0.admin_up()
super(TestDSlite, cls).tearDownClass()
raise
+ @classmethod
+ def tearDownClass(cls):
+ super(TestDSlite, cls).tearDownClass()
+
def verify_syslog_apmadd(self, data, isaddr, isport, xsaddr, xsport,
sv6enc, proto):
message = data.decode('utf-8')
nat_config = self.vapi.nat_show_config()
self.assertEqual(0, nat_config.dslite_ce)
- self.vapi.dslite_add_del_pool_addr_range(self.nat_addr_n,
- self.nat_addr_n)
+ self.vapi.dslite_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ is_add=1)
aftr_ip4 = '192.0.0.1'
- aftr_ip4_n = socket.inet_pton(socket.AF_INET, aftr_ip4)
aftr_ip6 = '2001:db8:85a3::8a2e:370:1'
- aftr_ip6_n = socket.inet_pton(socket.AF_INET6, aftr_ip6)
- self.vapi.dslite_set_aftr_addr(aftr_ip6_n, aftr_ip4_n)
+ self.vapi.dslite_set_aftr_addr(ip4_addr=aftr_ip4, ip6_addr=aftr_ip6)
self.vapi.syslog_set_sender(self.pg2.local_ip4n, self.pg2.remote_ip4n)
# UDP
def tearDown(self):
super(TestDSlite, self).tearDown()
- if not self.vpp_dead:
- self.logger.info(self.vapi.cli("show dslite pool"))
- self.logger.info(
- self.vapi.cli("show dslite aftr-tunnel-endpoint-address"))
- self.logger.info(self.vapi.cli("show dslite sessions"))
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.cli("show dslite pool"))
+ self.logger.info(
+ self.vapi.cli("show dslite aftr-tunnel-endpoint-address"))
+ self.logger.info(self.vapi.cli("show dslite sessions"))
class TestDSliteCE(MethodHolder):
super(TestDSliteCE, cls).tearDownClass()
raise
+ @classmethod
+ def tearDownClass(cls):
+ super(TestDSliteCE, cls).tearDownClass()
+
def test_dslite_ce(self):
""" Test DS-Lite CE """
self.assertEqual(1, nat_config.dslite_ce)
b4_ip4 = '192.0.0.2'
- b4_ip4_n = socket.inet_pton(socket.AF_INET, b4_ip4)
b4_ip6 = '2001:db8:62aa::375e:f4c1:1'
- b4_ip6_n = socket.inet_pton(socket.AF_INET6, b4_ip6)
- self.vapi.dslite_set_b4_addr(b4_ip6_n, b4_ip4_n)
+ self.vapi.dslite_set_b4_addr(ip4_addr=b4_ip4, ip6_addr=b4_ip6)
aftr_ip4 = '192.0.0.1'
- aftr_ip4_n = socket.inet_pton(socket.AF_INET, aftr_ip4)
aftr_ip6 = '2001:db8:85a3::8a2e:370:1'
aftr_ip6_n = socket.inet_pton(socket.AF_INET6, aftr_ip6)
- self.vapi.dslite_set_aftr_addr(aftr_ip6_n, aftr_ip4_n)
+ self.vapi.dslite_set_aftr_addr(ip4_addr=aftr_ip4, ip6_addr=aftr_ip6)
- self.vapi.ip_add_del_route(dst_address=aftr_ip6_n,
- dst_address_length=128,
- next_hop_address=self.pg1.remote_ip6n,
- next_hop_sw_if_index=self.pg1.sw_if_index,
- is_ipv6=1)
+ r1 = VppIpRoute(self, aftr_ip6, 128,
+ [VppRoutePath(self.pg1.remote_ip6,
+ self.pg1.sw_if_index)])
+ r1.add_vpp_config()
# UDP encapsulation
p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
def tearDown(self):
super(TestDSliteCE, self).tearDown()
- if not self.vpp_dead:
- self.logger.info(
- self.vapi.cli("show dslite aftr-tunnel-endpoint-address"))
- self.logger.info(
- self.vapi.cli("show dslite b4-tunnel-endpoint-address"))
+
+ def show_commands_at_teardown(self):
+ self.logger.info(
+ self.vapi.cli("show dslite aftr-tunnel-endpoint-address"))
+ self.logger.info(
+ self.vapi.cli("show dslite b4-tunnel-endpoint-address"))
class TestNAT66(MethodHolder):
try:
cls.nat_addr = 'fd01:ff::2'
- cls.nat_addr_n = socket.inet_pton(socket.AF_INET6, cls.nat_addr)
cls.create_pg_interfaces(range(2))
cls.interfaces = list(cls.pg_interfaces)
super(TestNAT66, cls).tearDownClass()
raise
+ @classmethod
+ def tearDownClass(cls):
+ super(TestNAT66, cls).tearDownClass()
+
def test_static(self):
""" 1:1 NAT66 test """
- self.vapi.nat66_add_del_interface(self.pg0.sw_if_index)
- self.vapi.nat66_add_del_interface(self.pg1.sw_if_index, is_inside=0)
- self.vapi.nat66_add_del_static_mapping(self.pg0.remote_ip6n,
- self.nat_addr_n)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat66_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat66_add_del_interface(is_add=1,
+ sw_if_index=self.pg1.sw_if_index)
+ self.vapi.nat66_add_del_static_mapping(
+ local_ip_address=self.pg0.remote_ip6n,
+ external_ip_address=self.nat_addr,
+ is_add=1)
# in2out
pkts = []
def test_check_no_translate(self):
""" NAT66 translate only when egress interface is outside interface """
- self.vapi.nat66_add_del_interface(self.pg0.sw_if_index)
- self.vapi.nat66_add_del_interface(self.pg1.sw_if_index)
- self.vapi.nat66_add_del_static_mapping(self.pg0.remote_ip6n,
- self.nat_addr_n)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat66_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat66_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg1.sw_if_index)
+ self.vapi.nat66_add_del_static_mapping(
+ local_ip_address=self.pg0.remote_ip6n,
+ external_ip_address=self.nat_addr,
+ is_add=1)
# in2out
p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
"""
interfaces = self.vapi.nat66_interface_dump()
for intf in interfaces:
- self.vapi.nat66_add_del_interface(intf.sw_if_index,
- intf.is_inside,
- is_add=0)
+ self.vapi.nat66_add_del_interface(is_add=0, flags=intf.flags,
+ sw_if_index=intf.sw_if_index)
static_mappings = self.vapi.nat66_static_mapping_dump()
for sm in static_mappings:
- self.vapi.nat66_add_del_static_mapping(sm.local_ip_address,
- sm.external_ip_address,
- sm.vrf_id,
- is_add=0)
+ self.vapi.nat66_add_del_static_mapping(
+ local_ip_address=sm.local_ip_address,
+ external_ip_address=sm.external_ip_address, vrf_id=sm.vrf_id,
+ is_add=0)
def tearDown(self):
super(TestNAT66, self).tearDown()
- if not self.vpp_dead:
- self.logger.info(self.vapi.cli("show nat66 interfaces"))
- self.logger.info(self.vapi.cli("show nat66 static mappings"))
- self.clear_nat66()
+ self.clear_nat66()
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.cli("show nat66 interfaces"))
+ self.logger.info(self.vapi.cli("show nat66 static mappings"))
if __name__ == '__main__':
Code Review / vpp.git / blobdiff