#!/usr/bin/env python import unittest from framework import VppTestCase, VppTestRunner from vpp_object import VppObject from vpp_neighbor import VppNeighbor from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable, DpoProto from scapy.packet import Raw from scapy.layers.l2 import Ether, ARP from scapy.layers.inet import IP, UDP from scapy.layers.inet6 import IPv6, ICMPv6ND_NS, ICMPv6NDOptSrcLLAddr, \ ICMPv6ND_NA from scapy.utils6 import in6_getnsma, in6_getnsmac from socket import AF_INET, AF_INET6 from scapy.utils import inet_pton, inet_ntop from util import mactobinary class VppGbpEndpoint(VppObject): """ GBP Endpoint """ @property def bin_mac(self): return mactobinary(self.itf.remote_mac) @property def mac(self): return self.itf.remote_mac def __init__(self, test, itf, epg, recirc, ip, fip, is_ip6=False): self._test = test self.itf = itf self.epg = epg self.recirc = recirc self.ip = ip self.floating_ip = fip self.is_ip6 = is_ip6 if is_ip6: self.proto = DpoProto.DPO_PROTO_IP6 self.af = AF_INET6 self.is_ip6 = True self.ip_len = 128 else: self.proto = DpoProto.DPO_PROTO_IP4 self.af = AF_INET self.is_ip6 = False self.ip_len = 32 self.ip_n = inet_pton(self.af, ip) self.floating_ip_n = inet_pton(self.af, fip) def add_vpp_config(self): self._test.vapi.gbp_endpoint_add_del( 1, self.itf.sw_if_index, self.ip_n, self.is_ip6, self.epg.epg) self._test.registry.register(self, self._test.logger) def remove_vpp_config(self): self._test.vapi.gbp_endpoint_add_del( 0, self.itf.sw_if_index, self.ip_n, self.is_ip6, self.epg.epg) def __str__(self): return self.object_id() def object_id(self): return "gbp-endpoint;[%d:%s:%d]" % (self.itf.sw_if_index, self.ip, self.epg.epg) def query_vpp_config(self): eps = self._test.vapi.gbp_endpoint_dump() for ep in eps: if self.is_ip6: if ep.endpoint.address == self.ip_n \ and ep.endpoint.sw_if_index == self.itf.sw_if_index: return True else: if ep.endpoint.address[:4] == self.ip_n \ and ep.endpoint.sw_if_index == self.itf.sw_if_index: return True return False class VppGbpRecirc(VppObject): """ GBP Recirculation Interface """ def __init__(self, test, epg, recirc, is_ext=False): self._test = test self.recirc = recirc self.epg = epg self.is_ext = is_ext def add_vpp_config(self): self._test.vapi.gbp_recirc_add_del( 1, self.recirc.sw_if_index, self.epg.epg, self.is_ext) self._test.registry.register(self, self._test.logger) def remove_vpp_config(self): self._test.vapi.gbp_recirc_add_del( 0, self.recirc.sw_if_index, self.epg.epg, self.is_ext) def __str__(self): return self.object_id() def object_id(self): return "gbp-recirc;[%d]" % (self.recirc.sw_if_index) def query_vpp_config(self): rs = self._test.vapi.gbp_recirc_dump() for r in rs: if r.recirc.sw_if_index == self.recirc.sw_if_index: return True return False class VppGbpSubnet(VppObject): """ GBP Subnet """ def __init__(self, test, table_id, address, address_len, is_internal=True, is_ip6=False, sw_if_index=None, epg=None): self._test = test self.table_id = table_id self.address = address self.address_len = address_len self.is_ip6 = is_ip6 if is_ip6: self.address_n = inet_pton(AF_INET6, address) else: self.address_n = inet_pton(AF_INET, address) self.is_internal = is_internal self.sw_if_index = sw_if_index self.epg = epg def add_vpp_config(self): self._test.vapi.gbp_subnet_add_del( 1, self.table_id, self.is_internal, self.address_n, self.address_len, sw_if_index=self.sw_if_index if self.sw_if_index else 0xffffffff, epg_id=self.epg if self.epg else 0xffffffff, is_ip6=self.is_ip6) self._test.registry.register(self, self._test.logger) def remove_vpp_config(self): self._test.vapi.gbp_subnet_add_del( 0, self.table_id, self.is_internal, self.address_n, self.address_len, is_ip6=self.is_ip6) def __str__(self): return self.object_id() def object_id(self): return "gbp-subnet;[%d:%s/%d]" % (self.table_id, self.address, self.address_len) d
# Copyright (c) 2016 Cisco Systems, Inc.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

vppplugins_LTLIBRARIES += ixge_plugin.la

ixge_plugin_la_SOURCES = ixge/ixge.c

noinst_HEADERS += ixge/ixge.h

# vi:syntax=automake
"10.0.2.128", "2001:10:2::128")) recircs.append(VppGbpRecirc(self, epgs[2], self.loop5)) # # 2 NAT EPGs, one for floating-IP subnets, the other for internet # epgs.append(VppGbpEndpointGroup(self, 333, 20, 20, self.pg7, self.loop2, "11.0.0.128", "3001::128")) recircs.append(VppGbpRecirc(self, epgs[3], self.loop6, is_ext=True)) epgs.append(VppGbpEndpointGroup(self, 444, 20, 20, self.pg8, self.loop2, "11.0.0.129", "3001::129")) recircs.append(VppGbpRecirc(self, epgs[4], self.loop8, is_ext=True)) epg_nat = epgs[3] recirc_nat = recircs[3] # # 4 end-points, 2 in the same subnet, 3 in the same BD # eps = [] eps.append(VppGbpEndpoint(self, self.pg0, epgs[0], recircs[0], "10.0.0.1", "11.0.0.1")) eps.append(VppGbpEndpoint(self, self.pg1, epgs[0], recircs[0], "10.0.0.2", "11.0.0.2")) eps.append(VppGbpEndpoint(self, self.pg2, epgs[1], recircs[1], "10.0.1.1", "11.0.0.3")) eps.append(VppGbpEndpoint(self, self.pg3, epgs[2], recircs[2], "10.0.2.1", "11.0.0.4")) eps.append(VppGbpEndpoint(self, self.pg0, epgs[0], recircs[0], "2001:10::1", "3001::1", is_ip6=True)) eps.append(VppGbpEndpoint(self, self.pg1, epgs[0], recircs[0], "2001:10::2", "3001::2", is_ip6=True)) eps.append(VppGbpEndpoint(self, self.pg2, epgs[1], recircs[1], "2001:10:1::1", "3001::3", is_ip6=True)) eps.append(VppGbpEndpoint(self, self.pg3, epgs[2], recircs[2], "2001:10:2::1", "3001::4", is_ip6=True)) # # Config related to each of the EPGs # for epg in epgs: # IP config on the BVI interfaces if epg != epgs[1] and epg != epgs[4]: epg.bvi.set_table_ip4(epg.rd) epg.bvi.set_table_ip6(epg.rd) # The BVIs are NAT inside interfaces self.vapi.nat44_interface_add_del_feature(epg.bvi.sw_if_index, is_inside=1, is_add=1) self.vapi.nat66_add_del_interface(epg.bvi.sw_if_index, is_inside=1, is_add=1) self.vapi.sw_interface_add_del_address(epg.bvi.sw_if_index, epg.bvi_ip4_n, 32) self.vapi.sw_interface_add_del_address(epg.bvi.sw_if_index, epg.bvi_ip6_n, 128, is_ipv6=True) # EPG uplink interfaces in the BD epg.uplink.set_table_ip4(epg.rd) epg.uplink.set_table_ip6(epg.rd) self.vapi.sw_interface_set_l2_bridge(epg.uplink.sw_if_index, epg.bd) # add the BD ARP termination entry for BVI IP self.vapi.bd_ip_mac_add_del(bd_id=epg.bd, mac=mactobinary(self.router_mac), ip=epg.bvi_ip4_n, is_ipv6=0, is_add=1) self.vapi.bd_ip_mac_add_del(bd_id=epg.bd, mac=mactobinary(self.router_mac), ip=epg.bvi_ip6_n, is_ipv6=1, is_add=1) # epg[1] shares the same BVI to epg[0] if epg != epgs[1] and epg != epgs[4]: # BVI in BD self.vapi.sw_interface_set_l2_bridge(epg.bvi.sw_if_index, epg.bd, bvi=1) # BVI L2 FIB entry self.vapi.l2fib_add_del(self.router_mac, epg.bd, epg.bvi.sw_if_index, is_add=1, bvi_mac=1) # EPG in VPP epg.add_vpp_config() for recirc in recircs: # EPG's ingress recirculation interface maps to its RD recirc.recirc.set_table_ip4(recirc.epg.rd) recirc.recirc.set_table_ip6(recirc.epg.rd) # in the bridge to allow DVR. L2 emulation to punt to L3 self.vapi.sw_interface_set_l2_bridge(recirc.recirc.sw_if_index, recirc.epg.bd) self.vapi.sw_interface_set_l2_emulation( recirc.recirc.sw_if_index) self.vapi.nat44_interface_add_del_feature( recirc.recirc.sw_if_index, is_inside=0, is_add=1) self.vapi.nat66_add_del_interface( recirc.recirc.sw_if_index, is_inside=0, is_add=1) recirc.add_vpp_config() ep_routes = [] ep_arps = [] for ep in eps: self.pg_enable_capture(self.pg_interfaces) self.pg_start() # # routes to the endpoints. We need these since there are no # adj-fibs due to the fact the the BVI address has /32 and # the subnet is not attached. # r = VppIpRoute(self, ep.ip, ep.ip_len, [VppRoutePath(ep.ip, ep.epg.bvi.sw_if_index, proto=ep.proto)], is_ip6=ep.is_ip6) r.add_vpp_config() ep_routes.append(r) # # ARP entries for the endpoints # a = VppNeighbor(self, ep.epg.bvi.sw_if_index, ep.itf.remote_mac, ep.ip, af=ep.af) a.add_vpp_config() ep_arps.append(a) # add each EP itf to the its BD self.vapi.sw_interface_set_l2_bridge(ep.itf.sw_if_index, ep.epg.bd) # add the BD ARP termination entry self.vapi.bd_ip_mac_add_del(bd_id=ep.epg.bd, mac=ep.bin_mac, ip=ep.ip_n, is_ipv6=0, is_add=1) # L2 FIB entry self.vapi.l2fib_add_del(ep.mac, ep.epg.bd, ep.itf.sw_if_index, is_add=1) # Add static mappings for each EP from the 10/8 to 11/8 network if ep.af == AF_INET: self.vapi.nat44_add_del_static_mapping(ep.ip_n, ep.floating_ip_n, vrf_id=0, addr_only=1) else: self.vapi.nat66_add_del_static_mapping(ep.ip_n, ep.floating_ip_n, vrf_id=0) # VPP EP create ... ep.add_vpp_config() # ... results in a Gratuitous ARP/ND on the EPG's uplink rx = ep.epg.uplink.get_capture(1, timeout=0.2) if ep.is_ip6: self.assertTrue(rx[0].haslayer(ICMPv6ND_NA)) self.assertEqual(rx[0][ICMPv6ND_NA].tgt, ep.ip) else: self.assertTrue(rx[0].haslayer(ARP)) self.assertEqual(rx[0][ARP].psrc, ep.ip) self.assertEqual(rx[0][ARP].pdst, ep.ip) # add the BD ARP termination entry for floating IP self.vapi.bd_ip_mac_add_del(bd_id=epg_nat.bd, mac=ep.bin_mac, ip=ep.floating_ip_n, is_ipv6=ep.is_ip6, is_add=1) # floating IPs route via EPG recirc r = VppIpRoute(self, ep.floating_ip, ep.ip_len, [VppRoutePath(ep.floating_ip, ep.recirc.recirc.sw_if_index, is_dvr=1, proto=ep.proto)], table_id=20, is_ip6=ep.is_ip6) r.add_vpp_config() ep_routes.append(r) # L2 FIB entries in the NAT EPG BD to bridge the packets from # the outside direct to the internal EPG self.vapi.l2fib_add_del(ep.mac, epg_nat.bd, ep.recirc.recirc.sw_if_index, is_add=1) # # ARP packets for unknown IP are flooded # pkt_arp = (Ether(dst="ff:ff:ff:ff:ff:ff", src=self.pg0.remote_mac) / ARP(op="who-has", hwdst="ff:ff:ff:ff:ff:ff", hwsrc=self.pg0.remote_mac, pdst=epgs[0].bvi_ip4, psrc="10.0.0.88")) self.send_and_expect(self.pg0, [pkt_arp], self.pg0) # # ARP/ND packets get a response # pkt_arp = (Ether(dst="ff:ff:ff:ff:ff:ff", src=self.pg0.remote_mac) / ARP(op="who-has", hwdst="ff:ff:ff:ff:ff:ff", hwsrc=self.pg0.remote_mac, pdst=epgs[0].bvi_ip4, psrc=eps[0].ip)) self.send_and_expect(self.pg0, [pkt_arp], self.pg0) nsma = in6_getnsma(inet_pton(AF_INET6, eps[4].ip)) d = inet_ntop(AF_INET6, nsma) pkt_nd = (Ether(dst=in6_getnsmac(nsma)) / IPv6(dst=d, src=eps[4].ip) / ICMPv6ND_NS(tgt=epgs[0].bvi_ip6) / ICMPv6NDOptSrcLLAddr(lladdr=self.pg0.remote_mac)) self.send_and_expect(self.pg0, [pkt_nd], self.pg0) # # broadcast packets are flooded # pkt_bcast = (Ether(dst="ff:ff:ff:ff:ff:ff", src=self.pg0.remote_mac) / IP(src=eps[0].ip, dst="232.1.1.1") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.vapi.cli("clear trace") self.pg0.add_stream(pkt_bcast) self.pg_enable_capture(self.pg_interfaces) self.pg_start() rxd = eps[1].itf.get_capture(1) self.assertEqual(rxd[0][Ether].dst, pkt_bcast[Ether].dst) rxd = epgs[0].uplink.get_capture(1) self.assertEqual(rxd[0][Ether].dst, pkt_bcast[Ether].dst) # # packets to non-local L3 destinations dropped # pkt_intra_epg_220_ip4 = (Ether(src=self.pg0.remote_mac, dst=self.router_mac) / IP(src=eps[0].ip, dst="10.0.0.99") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) pkt_inter_epg_222_ip4 = (Ether(src=self.pg0.remote_mac, dst=self.router_mac) / IP(src=eps[0].ip, dst="10.0.1.99") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_assert_no_replies(self.pg0, pkt_intra_epg_220_ip4 * 65) pkt_inter_epg_222_ip6 = (Ether(src=self.pg0.remote_mac, dst=self.router_mac) / IPv6(src=eps[4].ip, dst="2001:10::99") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_assert_no_replies(self.pg0, pkt_inter_epg_222_ip6 * 65) # # Add the subnet routes # s41 = VppGbpSubnet(self, 0, "10.0.0.0", 24) s42 = VppGbpSubnet(self, 0, "10.0.1.0", 24) s43 = VppGbpSubnet(self, 0, "10.0.2.0", 24) s41.add_vpp_config() s42.add_vpp_config() s43.add_vpp_config() s61 = VppGbpSubnet(self, 0, "2001:10::1", 64, is_ip6=True) s62 = VppGbpSubnet(self, 0, "2001:10:1::1", 64, is_ip6=True) s63 = VppGbpSubnet(self, 0, "2001:10:2::1", 64, is_ip6=True) s61.add_vpp_config() s62.add_vpp_config() s63.add_vpp_config() self.send_and_expect_bridged(self.pg0, pkt_intra_epg_220_ip4 * 65, self.pg4) self.send_and_expect_bridged(self.pg3, pkt_inter_epg_222_ip4 * 65, self.pg6) self.send_and_expect_bridged6(self.pg3, pkt_inter_epg_222_ip6 * 65, self.pg6) self.logger.info(self.vapi.cli("sh ip fib 11.0.0.2")) self.logger.info(self.vapi.cli("sh gbp endpoint-group")) self.logger.info(self.vapi.cli("sh gbp endpoint")) self.logger.info(self.vapi.cli("sh gbp recirc")) self.logger.info(self.vapi.cli("sh int")) self.logger.info(self.vapi.cli("sh int addr")) self.logger.info(self.vapi.cli("sh int feat loop6")) self.logger.info(self.vapi.cli("sh vlib graph ip4-gbp-src-classify")) self.logger.info(self.vapi.cli("sh int feat loop3")) # # Packet destined to unknown unicast is sent on the epg uplink ... # pkt_intra_epg_220_to_uplink = (Ether(src=self.pg0.remote_mac, dst="00:00:00:33:44:55") / IP(src=eps[0].ip, dst="10.0.0.99") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_expect_bridged(self.pg0, pkt_intra_epg_220_to_uplink * 65, self.pg4) # ... and nowhere else self.pg1.get_capture(0, timeout=0.1) self.pg1.assert_nothing_captured(remark="Flood onto other VMS") pkt_intra_epg_221_to_uplink = (Ether(src=self.pg2.remote_mac, dst="00:00:00:33:44:66") / IP(src=eps[0].ip, dst="10.0.0.99") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_expect_bridged(self.pg2, pkt_intra_epg_221_to_uplink * 65, self.pg5) # # Packets from the uplink are forwarded in the absence of a contract # pkt_intra_epg_220_from_uplink = (Ether(src="00:00:00:33:44:55", dst=self.pg0.remote_mac) / IP(src=eps[0].ip, dst="10.0.0.99") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_expect_bridged(self.pg4, pkt_intra_epg_220_from_uplink * 65, self.pg0) # # in the absence of policy, endpoints in the same EPG # can communicate # pkt_intra_epg = (Ether(src=self.pg0.remote_mac, dst=self.pg1.remote_mac) / IP(src=eps[0].ip, dst=eps[1].ip) / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_expect_bridged(self.pg0, pkt_intra_epg * 65, self.pg1) # # in the abscense of policy, endpoints in the different EPG # cannot communicate # pkt_inter_epg_220_to_221 = (Ether(src=self.pg0.remote_mac, dst=self.pg2.remote_mac) / IP(src=eps[0].ip, dst=eps[2].ip) / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) pkt_inter_epg_221_to_220 = (Ether(src=self.pg2.remote_mac, dst=self.pg0.remote_mac) / IP(src=eps[2].ip, dst=eps[0].ip) / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) pkt_inter_epg_220_to_222 = (Ether(src=self.pg0.remote_mac, dst=self.router_mac) / IP(src=eps[0].ip, dst=eps[3].ip) / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_assert_no_replies(self.pg0, pkt_inter_epg_220_to_221 * 65) self.send_and_assert_no_replies(self.pg0, pkt_inter_epg_220_to_222 * 65) # # A uni-directional contract from EPG 220 -> 221 # acl = VppGbpAcl(self) rule = acl.create_rule(permit_deny=1, proto=17) rule2 = acl.create_rule(is_ipv6=1, permit_deny=1, proto=17) acl_index = acl.add_vpp_config([rule, rule2]) c1 = VppGbpContract(self, 220, 221, acl_index) c1.add_vpp_config() self.send_and_expect_bridged(self.pg0, pkt_inter_epg_220_to_221 * 65, self.pg2) self.send_and_assert_no_replies(self.pg0, pkt_inter_epg_220_to_222 * 65) # # contract for the return direction # c2 = VppGbpContract(self, 221, 220, acl_index) c2.add_vpp_config() self.send_and_expect_bridged(self.pg0, pkt_inter_epg_220_to_221 * 65, self.pg2) self.send_and_expect_bridged(self.pg2, pkt_inter_epg_221_to_220 * 65, self.pg0) # # check that inter group is still disabled for the groups # not in the contract. # self.send_and_assert_no_replies(self.pg0, pkt_inter_epg_220_to_222 * 65) # # A uni-directional contract from EPG 220 -> 222 'L3 routed' # c3 = VppGbpContract(self, 220, 222, acl_index) c3.add_vpp_config() self.logger.info(self.vapi.cli("sh gbp contract")) self.send_and_expect_routed(self.pg0, pkt_inter_epg_220_to_222 * 65, self.pg3, self.router_mac) # # remove both contracts, traffic stops in both directions # c2.remove_vpp_config() c1.remove_vpp_config() c3.remove_vpp_config() acl.remove_vpp_config() self.send_and_assert_no_replies(self.pg2, pkt_inter_epg_221_to_220 * 65) self.send_and_assert_no_replies(self.pg0, pkt_inter_epg_220_to_221 * 65) self.send_and_expect_bridged(self.pg0, pkt_intra_epg * 65, self.pg1) # # EPs to the outside world # # in the EP's RD an external subnet via the NAT EPG's recirc se1 = VppGbpSubnet(self, 0, "0.0.0.0", 0, is_internal=False, sw_if_index=recirc_nat.recirc.sw_if_index, epg=epg_nat.epg) se1.add_vpp_config() se2 = VppGbpSubnet(self, 0, "11.0.0.0", 8, is_internal=False, sw_if_index=recirc_nat.recirc.sw_if_index, epg=epg_nat.epg) se2.add_vpp_config() se16 = VppGbpSubnet(self, 0, "::", 0, is_internal=False, sw_if_index=recirc_nat.recirc.sw_if_index, epg=epg_nat.epg, is_ip6=True) se16.add_vpp_config() # in the NAT RD an external subnet via the NAT EPG's uplink se3 = VppGbpSubnet(self, 20, "0.0.0.0", 0, is_internal=False, sw_if_index=epg_nat.uplink.sw_if_index, epg=epg_nat.epg) se36 = VppGbpSubnet(self, 20, "::", 0, is_internal=False, sw_if_index=epg_nat.uplink.sw_if_index, epg=epg_nat.epg, is_ip6=True) se4 = VppGbpSubnet(self, 20, "11.0.0.0", 8, is_internal=False, sw_if_index=epg_nat.uplink.sw_if_index, epg=epg_nat.epg) se3.add_vpp_config() se36.add_vpp_config() se4.add_vpp_config() self.logger.info(self.vapi.cli("sh ip fib 0.0.0.0/0")) self.logger.info(self.vapi.cli("sh ip fib 11.0.0.1")) self.logger.info(self.vapi.cli("sh ip6 fib ::/0")) self.logger.info(self.vapi.cli("sh ip6 fib %s" % eps[4].floating_ip)) # # From an EP to an outside addess: IN2OUT # pkt_inter_epg_220_to_global = (Ether(src=self.pg0.remote_mac, dst=self.router_mac) / IP(src=eps[0].ip, dst="1.1.1.1") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) # no policy yet self.send_and_assert_no_replies(self.pg0, pkt_inter_epg_220_to_global * 65) acl2 = VppGbpAcl(self) rule = acl2.create_rule(permit_deny=1, proto=17, sport_from=1234, sport_to=1234, dport_from=1234, dport_to=1234) rule2 = acl2.create_rule(is_ipv6=1, permit_deny=1, proto=17, sport_from=1234, sport_to=1234, dport_from=1234, dport_to=1234) acl_index2 = acl2.add_vpp_config([rule, rule2]) c4 = VppGbpContract(self, 220, 333, acl_index2) c4.add_vpp_config() self.send_and_expect_natted(self.pg0, pkt_inter_epg_220_to_global * 65, self.pg7, eps[0].floating_ip) pkt_inter_epg_220_to_global = (Ether(src=self.pg0.remote_mac, dst=self.router_mac) / IPv6(src=eps[4].ip, dst="6001::1") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_expect_natted6(self.pg0, pkt_inter_epg_220_to_global * 65, self.pg7, eps[4].floating_ip) # # From a global address to an EP: OUT2IN # pkt_inter_epg_220_from_global = (Ether(src=self.router_mac, dst=self.pg0.remote_mac) / IP(dst=eps[0].floating_ip, src="1.1.1.1") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_assert_no_replies(self.pg7, pkt_inter_epg_220_from_global * 65) c5 = VppGbpContract(self, 333, 220, acl_index2) c5.add_vpp_config() self.send_and_expect_unnatted(self.pg7, pkt_inter_epg_220_from_global * 65, eps[0].itf, eps[0].ip) pkt_inter_epg_220_from_global = (Ether(src=self.router_mac, dst=self.pg0.remote_mac) / IPv6(dst=eps[4].floating_ip, src="6001::1") / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_expect_unnatted6(self.pg7, pkt_inter_epg_220_from_global * 65, eps[4].itf, eps[4].ip) # # From a local VM to another local VM using resp. public addresses: # IN2OUT2IN # pkt_intra_epg_220_global = (Ether(src=self.pg0.remote_mac, dst=self.router_mac) / IP(src=eps[0].ip, dst=eps[1].floating_ip) / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_expect_double_natted(eps[0].itf, pkt_intra_epg_220_global * 65, eps[1].itf, eps[0].floating_ip, eps[1].ip) pkt_intra_epg_220_global = (Ether(src=self.pg4.remote_mac, dst=self.router_mac) / IPv6(src=eps[4].ip, dst=eps[5].floating_ip) / UDP(sport=1234, dport=1234) / Raw('\xa5' * 100)) self.send_and_expect_double_natted6(eps[4].itf, pkt_intra_epg_220_global * 65, eps[5].itf, eps[4].floating_ip, eps[5].ip) # # cleanup # for ep in eps: # del static mappings for each EP from the 10/8 to 11/8 network if ep.af == AF_INET: self.vapi.nat44_add_del_static_mapping(ep.ip_n, ep.floating_ip_n, vrf_id=0, addr_only=1, is_add=0) else: self.vapi.nat66_add_del_static_mapping(ep.ip_n, ep.floating_ip_n, vrf_id=0, is_add=0) for epg in epgs: # IP config on the BVI interfaces self.vapi.sw_interface_add_del_address(epg.bvi.sw_if_index, epg.bvi_ip4_n, 32, is_add=0) self.vapi.sw_interface_add_del_address(epg.bvi.sw_if_index, epg.bvi_ip6_n, 128, is_add=0, is_ipv6=True) self.logger.info(self.vapi.cli("sh int addr")) epg.uplink.set_table_ip4(0) epg.uplink.set_table_ip6(0) if epg != epgs[0] and epg != epgs[3]: epg.bvi.set_table_ip4(0) epg.bvi.set_table_ip6(0) self.vapi.nat44_interface_add_del_feature(epg.bvi.sw_if_index, is_inside=1, is_add=0) self.vapi.nat66_add_del_interface(epg.bvi.sw_if_index, is_inside=1, is_add=0) for recirc in recircs: recirc.recirc.set_table_ip4(0) recirc.recirc.set_table_ip6(0) self.vapi.nat44_interface_add_del_feature( recirc.recirc.sw_if_index, is_inside=0, is_add=0) self.vapi.nat66_add_del_interface( recirc.recirc.sw_if_index, is_inside=0, is_add=0) if __name__ == '__main__': unittest.main(testRunner=VppTestRunner)