lb_sm.external_addr,
lb_sm.external_port,
lb_sm.protocol,
- vrf_id=lb_sm.vrf_id,
twice_nat=lb_sm.twice_nat,
self_twice_nat=lb_sm.self_twice_nat,
out2in_only=lb_sm.out2in_only,
self.verify_capture_out(capture, same_port=True, packet_num=1)
self.assert_equal(capture[0][IP].proto, IP_PROTOS.icmp)
- def _test_forwarding(self):
+ def test_forwarding(self):
""" NAT44 forwarding test """
self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index)
external_ip=alias_ip)
try:
- # in2out - static mapping match
+ # static mapping match
pkts = self.create_stream_out(self.pg1)
self.pg1.add_stream(pkts)
capture = self.pg1.get_capture(len(pkts))
self.verify_capture_out(capture, same_port=True)
- # in2out - no static mapping match
+ # no static mapping match
host0 = self.pg0.remote_hosts[0]
self.pg0.remote_hosts[0] = self.pg0.remote_hosts[1]
finally:
self.pg0.remote_hosts[0] = host0
- 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.vapi.nat44_del_session(
- sessions[0].inside_ip_address,
- sessions[0].inside_port,
- sessions[0].protocol,
- ext_host_address=sessions[0].ext_host_address,
- ext_host_port=sessions[0].ext_host_port)
- sessions = self.vapi.nat44_user_session_dump(user.ip4n, 0)
- self.assertEqual(len(sessions), 2)
-
finally:
self.vapi.nat44_forwarding_enable_disable(0)
self.vapi.nat44_add_del_static_mapping(local_ip=real_ip,
self.pg1.set_table_ip4(vrf_id2)
self.pg0.config_ip4()
self.pg1.config_ip4()
+ self.pg0.resolve_arp()
+ self.pg1.resolve_arp()
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.pg2.sw_if_index,
is_inside=0)
- # first VRF
- pkts = self.create_stream_in(self.pg0, self.pg2)
- self.pg0.add_stream(pkts)
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
- capture = self.pg2.get_capture(len(pkts))
- self.verify_capture_out(capture, nat_ip1)
+ try:
+ # first VRF
+ pkts = self.create_stream_in(self.pg0, self.pg2)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg2.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip1)
- # second VRF
- pkts = self.create_stream_in(self.pg1, self.pg2)
- self.pg1.add_stream(pkts)
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
- capture = self.pg2.get_capture(len(pkts))
- self.verify_capture_out(capture, nat_ip2)
+ # second VRF
+ pkts = self.create_stream_in(self.pg1, self.pg2)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg2.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip2)
- self.pg0.unconfig_ip4()
- self.pg1.unconfig_ip4()
- self.pg0.set_table_ip4(0)
- self.pg1.set_table_ip4(0)
- self.vapi.ip_table_add_del(vrf_id1, is_add=0)
- self.vapi.ip_table_add_del(vrf_id2, is_add=0)
+ finally:
+ self.pg0.unconfig_ip4()
+ self.pg1.unconfig_ip4()
+ self.pg0.set_table_ip4(0)
+ self.pg1.set_table_ip4(0)
+ self.pg0.config_ip4()
+ self.pg1.config_ip4()
+ self.pg0.resolve_arp()
+ self.pg1.resolve_arp()
+ self.vapi.ip_table_add_del(vrf_id1, is_add=0)
+ self.vapi.ip_table_add_del(vrf_id2, is_add=0)
def test_vrf_feature_independent(self):
""" NAT44 tenant VRF independent address pool mode """
self.verify_ipfix_max_fragments_ip4(data, 0,
self.pg0.remote_ip4n)
+ def test_multiple_outside_vrf(self):
+ """ Multiple outside VRF """
+ vrf_id1 = 1
+ vrf_id2 = 2
+
+ self.pg1.unconfig_ip4()
+ self.pg2.unconfig_ip4()
+ self.vapi.ip_table_add_del(vrf_id1, is_add=1)
+ self.vapi.ip_table_add_del(vrf_id2, is_add=1)
+ self.pg1.set_table_ip4(vrf_id1)
+ self.pg2.set_table_ip4(vrf_id2)
+ self.pg1.config_ip4()
+ self.pg2.config_ip4()
+ self.pg1.resolve_arp()
+ 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)
+
+ try:
+ # first VRF
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture, self.nat_addr)
+
+ pkts = self.create_stream_out(self.pg1, self.nat_addr)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ self.tcp_port_in = 60303
+ self.udp_port_in = 60304
+ self.icmp_id_in = 60305
+
+ # second VRF
+ pkts = self.create_stream_in(self.pg0, self.pg2)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg2.get_capture(len(pkts))
+ self.verify_capture_out(capture, self.nat_addr)
+
+ pkts = self.create_stream_out(self.pg2, self.nat_addr)
+ self.pg2.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ finally:
+ self.pg1.unconfig_ip4()
+ self.pg2.unconfig_ip4()
+ self.pg1.set_table_ip4(0)
+ self.pg2.set_table_ip4(0)
+ self.pg1.config_ip4()
+ self.pg2.config_ip4()
+ self.pg1.resolve_arp()
+ self.pg2.resolve_arp()
+
def tearDown(self):
super(TestNAT44, self).tearDown()
if not self.vpp_dead:
cls.ipfix_domain_id = 1
cls.tcp_external_port = 80
- cls.create_pg_interfaces(range(5))
+ cls.create_pg_interfaces(range(7))
cls.interfaces = list(cls.pg_interfaces[0:3])
for i in cls.interfaces:
cls.pg4._remote_hosts[1]._ip4 = cls.pg4._remote_hosts[0]._ip4
cls.pg4.resolve_arp()
+ zero_ip4n = socket.inet_pton(socket.AF_INET, "0.0.0.0")
+ cls.vapi.ip_table_add_del(1, is_add=1)
+
+ cls.pg5._local_ip4 = "10.1.1.1"
+ cls.pg5._local_ip4n = socket.inet_pton(socket.AF_INET,
+ cls.pg5.local_ip4)
+ cls.pg5._remote_hosts[0]._ip4 = "10.1.1.2"
+ cls.pg5._remote_hosts[0]._ip4n = socket.inet_pton(
+ socket.AF_INET, cls.pg5.remote_ip4)
+ cls.pg5.set_table_ip4(1)
+ cls.pg5.config_ip4()
+ cls.pg5.admin_up()
+ cls.vapi.ip_add_del_route(dst_address=cls.pg5.remote_ip4n,
+ dst_address_length=32,
+ table_id=1,
+ next_hop_sw_if_index=cls.pg5.sw_if_index,
+ next_hop_address=zero_ip4n)
+
+ cls.pg6._local_ip4 = "10.1.2.1"
+ cls.pg6._local_ip4n = socket.inet_pton(socket.AF_INET,
+ cls.pg6.local_ip4)
+ cls.pg6._remote_hosts[0]._ip4 = "10.1.2.2"
+ cls.pg6._remote_hosts[0]._ip4n = socket.inet_pton(
+ socket.AF_INET, cls.pg6.remote_ip4)
+ cls.pg6.set_table_ip4(1)
+ cls.pg6.config_ip4()
+ cls.pg6.admin_up()
+ cls.vapi.ip_add_del_route(dst_address=cls.pg6.remote_ip4n,
+ dst_address_length=32,
+ table_id=1,
+ next_hop_sw_if_index=cls.pg6.sw_if_index,
+ next_hop_address=zero_ip4n)
+
+ cls.vapi.ip_add_del_route(dst_address=cls.pg6.remote_ip4n,
+ dst_address_length=16,
+ next_hop_address=zero_ip4n,
+ table_id=0,
+ next_hop_table_id=1)
+ cls.vapi.ip_add_del_route(dst_address=zero_ip4n,
+ dst_address_length=0,
+ next_hop_address=zero_ip4n,
+ table_id=1,
+ next_hop_table_id=0)
+ cls.vapi.ip_add_del_route(dst_address=zero_ip4n,
+ dst_address_length=0,
+ table_id=0,
+ next_hop_sw_if_index=cls.pg1.sw_if_index,
+ next_hop_address=cls.pg1.local_ip4n)
+
+ cls.pg5.resolve_arp()
+ cls.pg6.resolve_arp()
+
except Exception:
super(TestNAT44EndpointDependent, cls).tearDownClass()
raise
locals = [{'addr': server1.ip4n,
'port': local_port,
- 'probability': 70},
+ 'probability': 70,
+ 'vrf_id': 0},
{'addr': server2.ip4n,
'port': local_port,
- 'probability': 30}]
+ 'probability': 30,
+ 'vrf_id': 0}]
self.nat44_add_address(self.nat_addr)
self.vapi.nat44_add_del_lb_static_mapping(external_addr_n,
locals = [{'addr': server1.ip4n,
'port': local_port,
- 'probability': 90},
+ 'probability': 90,
+ 'vrf_id': 0},
{'addr': server2.ip4n,
'port': local_port,
- 'probability': 10}]
+ 'probability': 10,
+ 'vrf_id': 0}]
self.nat44_add_address(self.nat_addr)
self.vapi.nat44_add_del_lb_static_mapping(external_addr_n,
locals = [{'addr': server1.ip4n,
'port': local_port,
- 'probability': 70},
+ 'probability': 70,
+ 'vrf_id': 0},
{'addr': server2.ip4n,
'port': local_port,
- 'probability': 30}]
+ 'probability': 30,
+ 'vrf_id': 0}]
self.vapi.nat44_forwarding_enable_disable(1)
self.vapi.nat44_add_del_lb_static_mapping(external_addr_n,
else:
locals = [{'addr': server1.ip4n,
'port': port_in1,
- 'probability': 50},
+ 'probability': 50,
+ 'vrf_id': 0},
{'addr': server2.ip4n,
'port': port_in2,
- 'probability': 50}]
+ 'probability': 50,
+ 'vrf_id': 0}]
out_addr_n = socket.inet_pton(socket.AF_INET, self.nat_addr)
self.vapi.nat44_add_del_lb_static_mapping(out_addr_n,
port_out,
capture = self.pg0.get_capture(len(pkts))
self.verify_capture_in(capture, self.pg0)
+ def test_multiple_vrf(self):
+ """ Multiple VRF setup """
+ external_addr = '1.2.3.4'
+ external_port = 80
+ local_port = 8080
+ port = 0
+
+ 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)
+ self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index,
+ is_inside=0)
+ self.vapi.nat44_interface_add_del_output_feature(self.pg1.sw_if_index,
+ is_inside=0)
+ self.vapi.nat44_interface_add_del_feature(self.pg5.sw_if_index)
+ self.vapi.nat44_interface_add_del_feature(self.pg5.sw_if_index,
+ is_inside=0)
+ self.vapi.nat44_interface_add_del_feature(self.pg6.sw_if_index,
+ is_inside=0)
+ 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)
+ 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)
+
+ # from client to service (both VRF1)
+ p = (Ether(src=self.pg6.remote_mac, dst=self.pg6.local_mac) /
+ IP(src=self.pg6.remote_ip4, dst=external_addr) /
+ TCP(sport=12345, dport=external_port))
+ self.pg6.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg5.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg5.remote_ip4)
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from service back to client (both VRF1)
+ p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) /
+ IP(src=self.pg5.remote_ip4, dst=self.pg6.remote_ip4) /
+ TCP(sport=local_port, dport=12345))
+ self.pg5.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg6.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, external_addr)
+ self.assertEqual(tcp.sport, external_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # dynamic NAT from VRF1 to VRF0 (output-feature)
+ p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) /
+ IP(src=self.pg5.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=2345, dport=22))
+ self.pg5.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.nat_addr)
+ self.assertNotEqual(tcp.sport, 2345)
+ self.assert_packet_checksums_valid(p)
+ port = tcp.sport
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ TCP(sport=22, dport=port))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg5.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg5.remote_ip4)
+ self.assertEqual(tcp.dport, 2345)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from client VRF1 to service VRF0
+ p = (Ether(src=self.pg6.remote_mac, dst=self.pg6.local_mac) /
+ IP(src=self.pg6.remote_ip4, dst=self.pg0.local_ip4) /
+ TCP(sport=12346, dport=external_port))
+ self.pg6.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg0.remote_ip4)
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from service VRF0 back to client VRF1
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg6.remote_ip4) /
+ TCP(sport=local_port, dport=12346))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg6.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.pg0.local_ip4)
+ self.assertEqual(tcp.sport, external_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from client VRF0 to service VRF1
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=external_addr) /
+ TCP(sport=12347, dport=external_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg5.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg5.remote_ip4)
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from service VRF1 back to client VRF0
+ p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) /
+ IP(src=self.pg5.remote_ip4, dst=self.pg0.remote_ip4) /
+ TCP(sport=local_port, dport=12347))
+ self.pg5.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, external_addr)
+ self.assertEqual(tcp.sport, external_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from client to server (both VRF1, no translation)
+ p = (Ether(src=self.pg6.remote_mac, dst=self.pg6.local_mac) /
+ IP(src=self.pg6.remote_ip4, dst=self.pg5.remote_ip4) /
+ TCP(sport=12348, dport=local_port))
+ self.pg6.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg5.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg5.remote_ip4)
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from server back to client (both VRF1, no translation)
+ p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) /
+ IP(src=self.pg5.remote_ip4, dst=self.pg6.remote_ip4) /
+ TCP(sport=local_port, dport=12348))
+ self.pg5.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg6.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.pg5.remote_ip4)
+ self.assertEqual(tcp.sport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from client VRF1 to server VRF0 (no translation)
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg6.remote_ip4) /
+ TCP(sport=local_port, dport=12349))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg6.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.pg0.remote_ip4)
+ self.assertEqual(tcp.sport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from server VRF0 back to client VRF1 (no translation)
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg6.remote_ip4) /
+ TCP(sport=local_port, dport=12349))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg6.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.pg0.remote_ip4)
+ self.assertEqual(tcp.sport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from client VRF0 to server VRF1 (no translation)
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg5.remote_ip4) /
+ TCP(sport=12344, dport=local_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg5.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg5.remote_ip4)
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from server VRF1 back to client VRF0 (no translation)
+ p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) /
+ IP(src=self.pg5.remote_ip4, dst=self.pg0.remote_ip4) /
+ TCP(sport=local_port, dport=12344))
+ self.pg5.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.pg5.remote_ip4)
+ self.assertEqual(tcp.sport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
def tearDown(self):
super(TestNAT44EndpointDependent, self).tearDown()
if not self.vpp_dead:
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