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
+
def clear_nat44(self):
"""
Clear NAT44 configuration.
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,
+ flags=intf.flags,
is_add=0)
self.vapi.nat_ipfix_enable_disable(enable=0,
interfaces = self.vapi.nat44_interface_dump()
for intf in interfaces:
- if intf.is_inside > 1:
+ 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(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)
+ is_add=0,
+ 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)
-
+ is_add=0,
+ flags=intf.flags)
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,
- 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)
+ sm.external_sw_if_index,
+ sm.local_port,
+ sm.external_port,
+ sm.vrf_id,
+ sm.protocol,
+ 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:
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=[])
+ locals=[],
+ flags=lb_sm.flags)
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,
+ flags=id_m.flags,
ip=id_m.ip_address,
port=id_m.port,
sw_if_index=id_m.sw_if_index,
for addr in addresses:
self.vapi.nat44_add_del_address_range(addr.ip_address,
addr.ip_address,
- twice_nat=addr.twice_nat,
- is_add=0)
+ is_add=0,
+ flags=addr.flags)
self.vapi.nat_set_reass()
self.vapi.nat_set_reass(is_ip6=1)
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,
+ local_ip,
+ external_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,
+ flags,
+ tag)
def nat44_add_address(self, ip, is_add=1, vrf_id=0xFFFFFFFF, twice_nat=0):
"""
:param is_add: 1 if add, 0 if delete (Default add)
: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(ip, ip, is_add,
vrf_id=vrf_id,
- twice_nat=twice_nat)
+ flags=flags)
def create_stream_in(self, in_if, out_if, dst_ip=None, ttl=64):
"""
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
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# in2out
tcpn = self.statistics.get_counter(
""" 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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# 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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# 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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# 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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# 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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# 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)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
self.vapi.nat44_forwarding_enable_disable(1)
real_ip = self.pg0.remote_ip4n
- alias_ip = self.nat_addr_n
+ alias_ip = self.nat_addr
+ flags = self.config_flags.NAT_IS_ADDR_ONLY
self.vapi.nat44_add_del_static_mapping(local_ip=real_ip,
- external_ip=alias_ip)
+ external_ip=alias_ip,
+ flags=flags)
try:
# static mapping match
finally:
self.vapi.nat44_forwarding_enable_disable(0)
+ flags = self.config_flags.NAT_IS_ADDR_ONLY
self.vapi.nat44_add_del_static_mapping(local_ip=real_ip,
external_ip=alias_ip,
- is_add=0)
+ is_add=0, 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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
sm = self.vapi.nat44_static_mapping_dump()
self.assertEqual(len(sm), 1)
self.assertEqual((sm[0].tag).split(b'\0', 1)[0], b'')
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
sm = self.vapi.nat44_static_mapping_dump()
self.assertEqual(len(sm), 1)
self.assertEqual((sm[0].tag).split(b'\0', 1)[0], tag)
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# 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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# 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(self.pg3.sw_if_index)
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg4.sw_if_index,
+ flags=flags)
# 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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# 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=self.pg0.remote_ip4n,
+ flags=flags)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
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)
+ flags = self.config_flags.NAT_IS_ADDR_ONLY
self.vapi.nat44_add_del_identity_mapping(ip=self.pg0.remote_ip4n,
- vrf_id=1)
+ flags=flags, vrf_id=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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg3.sw_if_index)
# 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(self.pg3.sw_if_index)
+ self.vapi.nat44_interface_add_del_feature(self.pg4.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg5.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg6.sw_if_index,
+ flags=flags)
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
+
# 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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# 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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# get maximum number of translations per user
nat44_config = self.vapi.nat_show_config()
self.pg7.config_ip4()
addresses = self.vapi.nat44_address_dump()
self.assertEqual(1, len(addresses))
- self.assertEqual(addresses[0].ip_address[0:4], self.pg7.local_ip4n)
+ self.assertEqual(str(addresses[0].ip_address), self.pg7.local_ip4)
# remove interface address and check NAT address pool
self.pg7.unconfig_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(str(sm.external_ip_address),
+ self.pg7.local_ip4)
self.assertEqual((sm.tag).split(b'\0', 1)[0], tag)
resolved = True
self.assertTrue(resolved)
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(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.vapi.nat44_add_del_identity_mapping(
sw_if_index=self.pg7.sw_if_index,
port=port,
- protocol=IP_PROTOS.tcp,
- addr_only=0)
+ protocol=IP_PROTOS.tcp)
# 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
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(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,
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(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,
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
nat44_config = self.vapi.nat_show_config()
max_sessions = 10 * nat44_config.translation_buckets
self.vapi.syslog_set_filter(SYSLOG_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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg2.sw_if_index)
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg2.sw_if_index)
# first VRF
pkts = self.create_stream_in(self.pg0, self.pg2)
next_hop_sw_if_index=self.pg8.sw_if_index)
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(self.pg7.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg8.sw_if_index)
# in2out
pkts = self.create_stream_in(self.pg7, self.pg8)
next_hop_sw_if_index=self.pg8.sw_if_index)
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(self.pg7.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg8.sw_if_index)
# out2in
pkts = self.create_stream_out(self.pg8)
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(self.pg7.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg8.sw_if_index)
# 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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# 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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# 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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_output_feature(self.pg1.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_output_feature(self.pg3.sw_if_index)
# in2out
pkts = self.create_stream_in(self.pg0, self.pg3)
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(self.pg4.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_output_feature(self.pg6.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_output_feature(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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_output_feature(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)
+ flags = self.config_flags.NAT_IS_INSIDE
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=flags)
# in2out
p = (Ether(src=self.pg9.remote_mac, dst=self.pg9.local_mac) /
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
pkts = self.create_stream_in(self.pg0, self.pg1)
self.pg0.add_stream(pkts)
self.vapi.nat44_del_session(sessions[0].inside_ip_address,
sessions[0].inside_port,
- sessions[0].protocol)
+ sessions[0].protocol,
+ flags=self.config_flags.NAT_IS_INSIDE)
self.vapi.nat44_del_session(sessions[1].outside_ip_address,
sessions[1].outside_port,
- sessions[1].protocol,
- is_in=0)
+ 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)
+ sessions[0].protocol,
+ flags=self.config_flags.NAT_IS_INSIDE)
self.verify_no_nat44_user()
""" 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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
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)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
self.vapi.nat44_forwarding_enable_disable(1)
data = b"A" * 16 + b"B" * 16 + b"C" * 3
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# 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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
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)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
self.vapi.nat_set_reass(max_frag=1)
self.vapi.set_ipfix_exporter(collector_address=self.pg3.remote_ip4n,
src_address=self.pg3.local_ip4n,
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
+ self.vapi.nat44_interface_add_del_feature(self.pg2.sw_if_index)
try:
# first VRF
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)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
self.vapi.nat_set_timeouts(udp=5)
max_sessions = 1000
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
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_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)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
self.vapi.nat_ha_set_listener(self.pg3.local_ip4, port=12345)
self.vapi.nat_ha_set_failover(self.pg3.remote_ip4, port=12346)
bind_layers(UDP, HANATStateSync, sport=12345)
# 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(self.pg0.remote_ip4n,
+ self.tcp_port_in,
+ 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)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
self.vapi.nat_ha_set_listener(self.pg3.local_ip4, port=12345)
bind_layers(UDP, HANATStateSync, sport=12345)
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)
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)
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
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
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 """
+ flags = self.config_flags.NAT_IS_INSIDE
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)
+ flags=flags)
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=flags)
self.server = self.pg1.remote_hosts[0]
def test_frag_out_of_order_in_plus_out(self):
""" in+out interface fragments out of order """
+ flags = self.config_flags.NAT_IS_INSIDE
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)
+ flags=flags)
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=flags)
self.server = self.pg1.remote_hosts[0]
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# 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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
nat_config = self.vapi.nat_show_config()
self.assertEqual(1, nat_config.endpoint_dependent)
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)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
self.vapi.nat44_forwarding_enable_disable(1)
- real_ip = self.pg0.remote_ip4n
- alias_ip = self.nat_addr_n
+ 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(local_ip=real_ip,
- external_ip=alias_ip)
+ external_ip=alias_ip,
+ 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,
+ 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)
finally:
self.vapi.nat44_forwarding_enable_disable(0)
+ flags = self.config_flags.NAT_IS_ADDR_ONLY
self.vapi.nat44_add_del_static_mapping(local_ip=real_ip,
external_ip=alias_ip,
- is_add=0)
+ is_add=0, 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]
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# 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,
+ 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,
+ self.vapi.nat44_add_del_lb_static_mapping(external_addr,
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)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
server1_n = 0
server2_n = 0
self.assertGreater(server1_n, server2_n)
# add new back-end
- self.vapi.nat44_lb_static_mapping_add_del_local(external_addr_n,
+ self.vapi.nat44_lb_static_mapping_add_del_local(external_addr,
external_port,
server3.ip4n,
local_port,
self.assertGreater(server3_n, 0)
# remove one back-end
- self.vapi.nat44_lb_static_mapping_add_del_local(external_addr_n,
+ self.vapi.nat44_lb_static_mapping_add_del_local(external_addr,
external_port,
server2.ip4n,
local_port,
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]
'vrf_id': 0}]
self.vapi.nat44_forwarding_enable_disable(1)
- self.vapi.nat44_add_del_lb_static_mapping(external_addr_n,
+ flags = self.config_flags.NAT_IS_OUT2IN_ONLY
+ self.vapi.nat44_add_del_lb_static_mapping(external_addr,
external_port,
IP_PROTOS.tcp,
- out2in_only=1,
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)
+ locals=locals,
+ flags=flags)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# 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,
+ self.vapi.nat44_add_del_lb_static_mapping(external_addr,
external_port,
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
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,
+ 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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# 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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# add static mapping for server
self.nat44_add_static_mapping(server.ip4, server_nat_ip)
self.vapi.nat44_forwarding_enable_disable(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=self.pg1.remote_ip4n,
+ flags=flags)
+ 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)
+ proto=IP_PROTOS.tcp, flags=flags)
+ flags = self.config_flags.NAT_IS_INSIDE
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=flags)
+ self.vapi.nat44_interface_add_del_output_feature(self.pg1.sw_if_index)
# from client to service
p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
""" NAT44 interface output feature and service host direct access """
self.vapi.nat44_forwarding_enable_disable(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(self.pg1.sw_if_index)
# session initiated from service host - translate
pkts = self.create_stream_in(self.pg0, self.pg1)
self.vapi.nat44_forwarding_enable_disable(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)
+ proto=IP_PROTOS.tcp, flags=flags)
+ flags = self.config_flags.NAT_IS_INSIDE
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=flags)
+ self.vapi.nat44_interface_add_del_output_feature(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) /
self.vapi.nat44_forwarding_enable_disable(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(self.pg6.sw_if_index)
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,
+ out_addr = self.nat_addr
+
+ self.vapi.nat44_add_del_lb_static_mapping(out_addr,
port_out,
IP_PROTOS.tcp,
- twice_nat=int(
- not self_twice_nat),
- self_twice_nat=int(
- self_twice_nat),
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)
+ locals=locals,
+ flags=flags)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(pg1.sw_if_index)
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,
+ 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 """
+ flags = self.config_flags.NAT_IS_TWICE_NAT
self.vapi.nat44_add_del_interface_addr(self.pg3.sw_if_index,
- twice_nat=1)
+ 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()
twice_nat_addr = '10.0.1.3'
service_ip = '192.168.16.150'
self.nat44_add_address(twice_nat_addr, twice_nat=1)
+ flags = self.config_flags.NAT_IS_INSIDE
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=flags)
+ self.vapi.nat44_interface_add_del_output_feature(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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
sessions = self.vapi.nat44_user_session_dump(self.pg0.remote_ip4n, 0)
start_sessnum = len(sessions)
self.vapi.nat44_forwarding_enable_disable(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)
+ proto=IP_PROTOS.tcp, flags=flags)
+ flags = self.config_flags.NAT_IS_INSIDE
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)
+ flags=flags)
# from client to service
p = (Ether(src=self.pg4.remote_mac, dst=self.pg4.local_mac) /
local_port = 8080
self.vapi.nat44_forwarding_enable_disable(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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# from client to service
p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
""" NAT44 interface output feature (in2out postrouting) """
self.vapi.nat44_forwarding_enable_disable(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(self.pg0.sw_if_index)
+ self.vapi.nat44_interface_add_del_output_feature(self.pg1.sw_if_index)
# in2out
pkts = self.create_stream_in(self.pg0, self.pg1)
self.vapi.nat44_forwarding_enable_disable(1)
self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
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=flags)
+ self.vapi.nat44_interface_add_del_output_feature(self.pg1.sw_if_index)
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=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg6.sw_if_index)
+ 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)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
self.vapi.nat_set_timeouts(icmp=5)
max_sessions = 1000
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)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
self.vapi.nat_set_timeouts(tcp_transitory=5)
self.initiate_tcp_session(self.pg0, self.pg1)
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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
self.vapi.set_ipfix_exporter(collector_address=self.pg2.remote_ip4n,
src_address=self.pg2.local_ip4n,
path_mtu=512,
self.vapi.syslog_set_filter(SYSLOG_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(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
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))
self.configure_xlat()
- self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ flags=flags)
self.vapi.nat44_add_del_address_range(self.nat_addr_n, self.nat_addr_n)
out_src_ip6 = self.compose_ip6(self.dst_ip4, self.dst_ip6_pfx,
self.verify_capture_in(capture, self.pg0)
finally:
self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
- is_add=0)
+ is_add=0, flags=flags)
self.vapi.nat44_add_del_address_range(self.nat_addr_n,
self.nat_addr_n, is_add=0)
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(1, in_addr, in_plen, out_addr, out_plen)
+
+ 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)
- 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)
+ 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()
nat_ip = "10.0.0.10"
- self.vapi.nat_det_add_del_map(self.pg0.remote_ip4n,
+ self.vapi.nat_det_add_del_map(1,
+ 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)
+
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# 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,
+ self.vapi.nat_det_add_del_map(1,
+ 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)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
# 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,
+ self.vapi.nat_det_add_del_map(1,
+ 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)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
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,
+ self.vapi.nat_det_add_del_map(1,
+ 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)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
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,
+ self.vapi.nat_det_add_del_map(1,
+ 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)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
self.initiate_tcp_session(self.pg0, self.pg1)
self.vapi.nat_set_timeouts(5, 5, 5, 5)
@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,
+ self.vapi.nat_det_add_del_map(1,
+ 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)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index)
self.vapi.set_ipfix_exporter(collector_address=self.pg2.remote_ip4n,
src_address=self.pg2.local_ip4n,
path_mtu=512,
self.vapi.nat_set_timeouts()
deterministic_mappings = self.vapi.nat_det_map_dump()
for dsm in deterministic_mappings:
- self.vapi.nat_det_add_del_map(dsm.in_addr,
+ self.vapi.nat_det_add_del_map(0,
+ dsm.in_addr,
dsm.in_plen,
dsm.out_addr,
- dsm.out_plen,
- is_add=0)
+ 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)
+ is_add=0,
+ flags=intf.flags)
def tearDown(self):
super(TestDeterministicNAT, self).tearDown()
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
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(1, flags, 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)
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)
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(1, flags, self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(1, 0, 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(0, flags, self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(0, flags, 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
bib = self.vapi.nat64_bib_dump(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)
bib = self.vapi.nat64_bib_dump(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')
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(self.nat_addr,
+ self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(1, flags, self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(1, 0, self.pg1.sw_if_index)
# in2out
tcpn = self.statistics.get_counter('/err/nat64-in2out/TCP packets')
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,
+ self.vapi.nat64_add_del_pool_addr_range(self.vrf1_nat_addr,
+ self.vrf1_nat_addr,
vrf_id=self.vrf1_id)
- self.vapi.nat64_add_del_interface(self.pg2.sw_if_index)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(1, flags, 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_pool_addr_range(self.nat_addr,
+ self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(1, flags, self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(1, 0, self.pg1.sw_if_index)
self.vapi.nat64_add_del_static_bib(self.pg0.remote_ip6n,
- self.nat_addr_n,
+ self.nat_addr,
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.nat_addr,
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.nat_addr,
self.icmp_id_in,
self.icmp_id_out,
IP_PROTOS.icmp)
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.nat64_add_del_pool_addr_range(self.nat_addr,
+ self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(1, flags, self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(1, 0, self.pg1.sw_if_index)
self.vapi.nat_set_timeouts(icmp=5, tcp_transitory=5, tcp_established=5)
pkts = self.create_stream_in_ip6(self.pg0, self.pg1)
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(self.nat_addr,
+ self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(1, flags, self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(1, 0, 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_pool_addr_range(self.nat_addr,
+ self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(1, flags, self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(1, 0, self.pg1.sw_if_index)
self.vapi.nat64_add_del_static_bib(server.ip6n,
- self.nat_addr_n,
+ self.nat_addr,
server_tcp_in_port,
server_tcp_out_port,
IP_PROTOS.tcp)
self.vapi.nat64_add_del_static_bib(server.ip6n,
- self.nat_addr_n,
+ self.nat_addr,
server_udp_in_port,
server_udp_out_port,
IP_PROTOS.udp)
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,
+ self.vapi.nat64_add_del_pool_addr_range(self.nat_addr,
+ self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(1, flags, self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(1, 0, self.pg1.sw_if_index)
+ self.vapi.nat64_add_del_pool_addr_range(self.vrf1_nat_addr,
+ self.vrf1_nat_addr,
vrf_id=self.vrf1_id)
- self.vapi.nat64_add_del_interface(self.pg2.sw_if_index)
+ self.vapi.nat64_add_del_interface(1, flags, 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(global_pref64_str)
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(vrf1_pref64_str, vrf_id=self.vrf1_id)
+
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(self.nat_addr,
+ self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(1, flags, self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(1, 0, 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_pool_addr_range(server_nat_ip,
+ client_nat_ip)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(1, flags, self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(1, 0, self.pg1.sw_if_index)
self.vapi.nat64_add_del_static_bib(server.ip6n,
- server_nat_ip_n,
+ server_nat_ip,
server_tcp_in_port,
server_tcp_out_port,
IP_PROTOS.tcp)
self.vapi.nat64_add_del_static_bib(server.ip6n,
- server_nat_ip_n,
+ server_nat_ip,
0,
0,
IP_PROTOS.gre)
self.vapi.nat64_add_del_static_bib(client.ip6n,
- client_nat_ip_n,
+ client_nat_ip,
client_tcp_in_port,
client_tcp_out_port,
IP_PROTOS.tcp)
'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(self.nat_addr,
+ self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(1, flags, self.pg3.sw_if_index)
+ self.vapi.nat64_add_del_interface(1, 0, 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(self.nat_addr,
+ self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(1, flags, self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(1, 0, self.pg1.sw_if_index)
reass = self.vapi.nat_reass_dump()
reass_n_start = len(reass)
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(self.nat_addr,
+ self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(1, flags, self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(1, 0, self.pg1.sw_if_index)
# add static BIB entry for server
self.vapi.nat64_add_del_static_bib(server.ip6n,
- self.nat_addr_n,
+ self.nat_addr,
server_in_port,
server_out_port,
IP_PROTOS.tcp)
""" 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(self.nat_addr,
+ self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(1, flags, self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(1, 0, self.pg1.sw_if_index)
# in2out
data = b'a' * 200
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()
'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(self.nat_addr,
+ self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(1, flags, self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(1, 0, self.pg1.sw_if_index)
pkts = []
src = ""
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.nat64_add_del_pool_addr_range(self.nat_addr,
+ self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(1, flags, self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(1, 0, self.pg1.sw_if_index)
self.vapi.nat_set_reass(max_frag=1, is_ip6=1)
self.vapi.set_ipfix_exporter(collector_address=self.pg3.remote_ip4n,
src_address=self.pg3.local_ip4n,
'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(self.nat_addr,
+ self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(1, flags, self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(1, 0, 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,
# 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(self.nat_addr,
+ self.nat_addr,
is_add=0)
self.vapi.cli("ipfix flush") # FIXME this should be an API call
capture = self.pg3.get_capture(2)
'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(self.nat_addr,
+ self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(1, flags, self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(1, 0, self.pg1.sw_if_index)
self.vapi.syslog_set_filter(SYSLOG_SEVERITY.INFO)
self.vapi.syslog_set_sender(self.pg3.local_ip4n, self.pg3.remote_ip4n)
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(self.nat_addr,
+ self.nat_addr,
is_add=0)
capture = self.pg3.get_capture(1)
self.verify_syslog_sess(capture[0][Raw].load, False, True)
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)
+ self.vapi.nat64_add_del_interface(0,
+ intf.flags,
+ intf.sw_if_index)
bib = self.vapi.nat64_bib_dump(255)
for bibe in bib:
- if bibe.is_static:
+ if bibe.flags & self.config_flags.NAT_IS_STATIC:
self.vapi.nat64_add_del_static_bib(bibe.i_addr,
bibe.o_addr,
bibe.i_port,
prefixes = self.vapi.nat64_prefix_dump()
for prefix in prefixes:
- self.vapi.nat64_add_del_prefix(prefix.prefix,
- prefix.prefix_len,
+ self.vapi.nat64_add_del_prefix(str(prefix.prefix),
vrf_id=prefix.vrf_id,
is_add=0)
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()
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(self.nat_addr,
+ self.nat_addr)
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(aftr_ip6, aftr_ip4)
self.vapi.syslog_set_sender(self.pg2.local_ip4n, self.pg2.remote_ip4n)
# UDP
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(b4_ip6, b4_ip4)
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(aftr_ip6, aftr_ip4)
self.vapi.ip_add_del_route(dst_address=aftr_ip6_n,
dst_address_length=128,
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)
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)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat66_add_del_interface(self.pg0.sw_if_index, flags=flags)
+ 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)
+ self.nat_addr)
# 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)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat66_add_del_interface(self.pg0.sw_if_index, flags=flags)
+ self.vapi.nat66_add_del_interface(self.pg1.sw_if_index, flags=flags)
self.vapi.nat66_add_del_static_mapping(self.pg0.remote_ip6n,
- self.nat_addr_n)
+ self.nat_addr)
# 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)
+ is_add=0,
+ flags=intf.flags)
static_mappings = self.vapi.nat66_static_mapping_dump()
for sm in static_mappings:
Code Review / vpp.git / blobdiff