diff options
Diffstat (limited to 'test/test_nat.py')
| -rw-r--r-- | test/test_nat.py | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/test/test_nat.py b/test/test_nat.py index 6eb54dda2e7..0448faee0ec 100644 --- a/test/test_nat.py +++ b/test/test_nat.py @@ -783,6 +783,17 @@ class TestNAT44(MethodHolder): local_num=0, locals=[]) + identity_mappings = self.vapi.nat44_identity_mapping_dump() + for id_m in identity_mappings: + self.vapi.nat44_add_del_identity_mapping( + addr_only=id_m.addr_only, + ip=id_m.ip_address, + port=id_m.port, + sw_if_index=id_m.sw_if_index, + vrf_id=id_m.vrf_id, + protocol=id_m.protocol, + is_add=0) + adresses = self.vapi.nat44_address_dump() for addr in adresses: self.vapi.nat44_add_del_address_range(addr.ip_address, @@ -1190,6 +1201,35 @@ class TestNAT44(MethodHolder): self.pg_start() self.pg3.assert_nothing_captured() + 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) + + p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) / + IP(src=self.pg1.remote_ip4, dst=self.pg0.remote_ip4) / + TCP(sport=12345, dport=56789)) + self.pg1.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(ip.src, self.pg1.remote_ip4) + self.assertEqual(tcp.dport, 56789) + self.assertEqual(tcp.sport, 12345) + self.check_tcp_checksum(p) + self.check_ip_checksum(p) + except: + self.logger.error(ppp("Unexpected or invalid packet:", p)) + raise + def test_static_lb(self): """ NAT44 local service load balancing """ external_addr_n = socket.inet_pton(socket.AF_INET, self.nat_addr) @@ -1785,6 +1825,38 @@ class TestNAT44(MethodHolder): static_mappings = self.vapi.nat44_static_mapping_dump() self.assertEqual(0, len(static_mappings)) + def test_interface_addr_identity_nat(self): + """ Identity NAT with addresses from interface """ + + port = 53053 + self.vapi.nat44_add_interface_addr(self.pg7.sw_if_index) + self.vapi.nat44_add_del_identity_mapping( + sw_if_index=self.pg7.sw_if_index, + port=port, + protocol=IP_PROTOS.tcp, + addr_only=0) + + # identity mappings with external interface + identity_mappings = self.vapi.nat44_identity_mapping_dump() + self.assertEqual(1, len(identity_mappings)) + self.assertEqual(self.pg7.sw_if_index, + identity_mappings[0].sw_if_index) + + # configure interface address and check identity mappings + self.pg7.config_ip4() + identity_mappings = self.vapi.nat44_identity_mapping_dump() + self.assertEqual(1, len(identity_mappings)) + self.assertEqual(identity_mappings[0].ip_address, + self.pg7.local_ip4n) + self.assertEqual(0xFFFFFFFF, identity_mappings[0].sw_if_index) + self.assertEqual(port, identity_mappings[0].port) + self.assertEqual(IP_PROTOS.tcp, identity_mappings[0].protocol) + + # remove interface address and check identity mappings + self.pg7.unconfig_ip4() + identity_mappings = self.vapi.nat44_identity_mapping_dump() + self.assertEqual(0, len(identity_mappings)) + def test_ipfix_nat44_sess(self): """ IPFIX logging NAT44 session created/delted """ self.ipfix_domain_id = 10 |