+++ /dev/null
-#!/usr/bin/env python3
-
-#
-# Copyright 2019-2020 Rubicon Communications, LLC (Netgate)
-#
-# SPDX-License-Identifier: Apache-2.0
-#
-
-import unittest
-import time
-import socket
-from socket import inet_pton, inet_ntop
-
-from vpp_object import VppObject
-from vpp_papi import VppEnum
-
-from scapy.packet import raw
-from scapy.layers.l2 import Ether, ARP
-from scapy.layers.inet import IP, ICMP, icmptypes
-from scapy.layers.inet6 import IPv6, ipv6nh, IPv6ExtHdrHopByHop, \
- ICMPv6MLReport2, ICMPv6ND_NA, ICMPv6ND_NS, ICMPv6NDOptDstLLAddr, \
- ICMPv6NDOptSrcLLAddr, ICMPv6EchoRequest, ICMPv6EchoReply
-from scapy.contrib.igmpv3 import IGMPv3, IGMPv3mr, IGMPv3gr
-from scapy.layers.vrrp import IPPROTO_VRRP, VRRPv3
-from scapy.utils6 import in6_getnsma, in6_getnsmac
-from framework import VppTestCase, VppTestRunner, running_extended_tests
-from util import ip6_normalize
-
-VRRP_VR_FLAG_PREEMPT = 1
-VRRP_VR_FLAG_ACCEPT = 2
-VRRP_VR_FLAG_UNICAST = 4
-VRRP_VR_FLAG_IPV6 = 8
-
-VRRP_VR_STATE_INIT = 0
-VRRP_VR_STATE_BACKUP = 1
-VRRP_VR_STATE_MASTER = 2
-VRRP_VR_STATE_INTF_DOWN = 3
-
-
-def is_non_arp(p):
- """ Want to filter out advertisements, igmp, etc"""
- if p.haslayer(ARP):
- return False
-
- return True
-
-
-def is_not_adv(p):
- """ Filter out everything but advertisements. E.g. multicast RD/ND """
- if p.haslayer(VRRPv3):
- return False
-
- return True
-
-
-def is_not_echo_reply(p):
- """ filter out advertisements and other while waiting for echo reply """
- if p.haslayer(IP) and p.haslayer(ICMP):
- if icmptypes[p[ICMP].type] == "echo-reply":
- return False
- elif p.haslayer(IPv6) and p.haslayer(ICMPv6EchoReply):
- return False
-
- return True
-
-
-class VppVRRPVirtualRouter(VppObject):
-
- def __init__(self,
- test,
- intf,
- vr_id,
- prio=100,
- intvl=100,
- flags=VRRP_VR_FLAG_PREEMPT,
- vips=None):
- self._test = test
- self._intf = intf
- self._sw_if_index = self._intf.sw_if_index
- self._vr_id = vr_id
- self._prio = prio
- self._intvl = intvl
- self._flags = flags
- if (flags & VRRP_VR_FLAG_IPV6):
- self._is_ipv6 = 1
- self._adv_dest_mac = "33:33:00:00:00:12"
- self._virtual_mac = "00:00:5e:00:02:%02x" % vr_id
- self._adv_dest_ip = "ff02::12"
- self._vips = ([intf.local_ip6] if vips is None else vips)
- else:
- self._is_ipv6 = 0
- self._adv_dest_mac = "01:00:5e:00:00:12"
- self._virtual_mac = "00:00:5e:00:01:%02x" % vr_id
- self._adv_dest_ip = "224.0.0.18"
- self._vips = ([intf.local_ip4] if vips is None else vips)
- self._tracked_ifs = []
-
- def add_vpp_config(self):
- self._test.vapi.vrrp_vr_add_del(is_add=1,
- sw_if_index=self._intf.sw_if_index,
- vr_id=self._vr_id,
- priority=self._prio,
- interval=self._intvl,
- flags=self._flags,
- n_addrs=len(self._vips),
- addrs=self._vips)
-
- def query_vpp_config(self):
- vrs = self._test.vapi.vrrp_vr_dump(sw_if_index=self._intf.sw_if_index)
- for vr in vrs:
- if vr.config.vr_id != self._vr_id:
- continue
-
- is_ipv6 = (1 if (vr.config.flags & VRRP_VR_FLAG_IPV6) else 0)
- if is_ipv6 != self._is_ipv6:
- continue
-
- return vr
-
- return None
-
- def remove_vpp_config(self):
- self._test.vapi.vrrp_vr_add_del(is_add=0,
- sw_if_index=self._intf.sw_if_index,
- vr_id=self._vr_id,
- priority=self._prio,
- interval=self._intvl,
- flags=self._flags,
- n_addrs=len(self._vips),
- addrs=self._vips)
-
- def start_stop(self, is_start):
- self._test.vapi.vrrp_vr_start_stop(is_start=is_start,
- sw_if_index=self._intf.sw_if_index,
- vr_id=self._vr_id,
- is_ipv6=self._is_ipv6)
- self._start_time = (time.time() if is_start else None)
-
- def add_del_tracked_interface(self, is_add, sw_if_index, prio):
- args = {
- 'sw_if_index': self._intf.sw_if_index,
- 'is_ipv6': self._is_ipv6,
- 'vr_id': self._vr_id,
- 'is_add': is_add,
- 'n_ifs': 1,
- 'ifs': [{'sw_if_index': sw_if_index, 'priority': prio}]
- }
- self._test.vapi.vrrp_vr_track_if_add_del(**args)
- self._tracked_ifs.append(args['ifs'][0])
-
- def set_unicast_peers(self, addrs):
- args = {
- 'sw_if_index': self._intf.sw_if_index,
- 'is_ipv6': self._is_ipv6,
- 'vr_id': self._vr_id,
- 'n_addrs': len(addrs),
- 'addrs': addrs
- }
- self._test.vapi.vrrp_vr_set_peers(**args)
- self._unicast_peers = addrs
-
- def start_time(self):
- return self._start_time
-
- def virtual_mac(self):
- return self._virtual_mac
-
- def virtual_ips(self):
- return self._vips
-
- def adv_dest_mac(self):
- return self._adv_dest_mac
-
- def adv_dest_ip(self):
- return self._adv_dest_ip
-
- def priority(self):
- return self._prio
-
- def vr_id(self):
- return self._vr_id
-
- def adv_interval(self):
- return self._intvl
-
- def interface(self):
- return self._intf
-
- def assert_state_equals(self, state):
- vr_details = self.query_vpp_config()
- self._test.assertEqual(vr_details.runtime.state, state)
-
- def master_down_seconds(self):
- vr_details = self.query_vpp_config()
- return (vr_details.runtime.master_down_int * 0.01)
-
-
-class VrrpCommonMixin:
- def vrrp_adv_packet(self, prio=None, src_ip=None):
- dst_ip = self._adv_dest_ip
- if prio is None:
- prio = self._prio
- eth = Ether(dst=self._adv_dest_mac, src=self._virtual_mac)
- vrrp = VRRPv3(vrid=self._vr_id, priority=prio,
- ipcount=len(self._vips), adv=self._intvl)
- if self._is_ipv6:
- src_ip = (self._intf.local_ip6_ll if src_ip is None else src_ip)
- ip = IPv6(src=src_ip, dst=dst_ip, nh=IPPROTO_VRRP, hlim=255)
- vrrp.addrlist = self._vips
- else:
- src_ip = (self._intf.local_ip4 if src_ip is None else src_ip)
- ip = IP(src=src_ip, dst=dst_ip, proto=IPPROTO_VRRP, ttl=255, id=0)
- vrrp.addrlist = self._vips
-
- # Fill in default values & checksums
- pkt = Ether(raw(eth / ip / vrrp))
- return pkt
-
-
-@unittest.skipUnless(running_extended_tests, "part of extended tests")
-class TestVRRP4(VrrpCommonMixin, VppTestCase):
- """ IPv4 VRRP Test Case """
-
- @classmethod
- def setUpClass(cls):
- super(TestVRRP4, cls).setUpClass()
-
- @classmethod
- def tearDownClass(cls):
- super(TestVRRP4, cls).tearDownClass()
-
- def setUp(self):
- super(TestVRRP4, self).setUp()
-
- self.create_pg_interfaces(range(2))
-
- for i in self.pg_interfaces:
- i.admin_up()
- i.config_ip4()
- i.generate_remote_hosts(5)
- i.configure_ipv4_neighbors()
-
- self._vrs = []
- self._default_flags = VRRP_VR_FLAG_PREEMPT
- self._default_adv = 100
-
- def tearDown(self):
- for vr in self._vrs:
- try:
- vr_api = vr.query_vpp_config()
- if vr_api.runtime.state != VRRP_VR_STATE_INIT:
- vr.start_stop(is_start=0)
- vr.remove_vpp_config()
- except:
- self.logger.error("Error cleaning up")
-
- for i in self.pg_interfaces:
- i.admin_down()
- i.unconfig_ip4()
- i.unconfig_ip6()
-
- self._vrs = []
-
- super(TestVRRP4, self).tearDown()
-
- def verify_vrrp4_igmp(self, pkt):
- ip = pkt[IP]
- self.assertEqual(ip.dst, "224.0.0.22")
- self.assertEqual(ip.proto, 2)
-
- igmp = pkt[IGMPv3]
- self.assertEqual(IGMPv3.igmpv3types[igmp.type],
- "Version 3 Membership Report")
-
- igmpmr = pkt[IGMPv3mr]
- self.assertEqual(igmpmr.numgrp, 1)
- self.assertEqual(igmpmr.records[0].maddr, "224.0.0.18")
-
- def verify_vrrp4_garp(self, pkt, vip, vmac):
- arp = pkt[ARP]
-
- # ARP "who-has" op == 1
- self.assertEqual(arp.op, 1)
- self.assertEqual(arp.pdst, arp.psrc)
- self.assertEqual(arp.pdst, vip)
- self.assertEqual(arp.hwsrc, vmac)
-
- def verify_vrrp4_adv(self, rx_pkt, vr, prio=None):
- vips = vr.virtual_ips()
- eth = rx_pkt[Ether]
- ip = rx_pkt[IP]
- vrrp = rx_pkt[VRRPv3]
-
- pkt = self.vrrp_adv_packet(prio=prio)
-
- # Source MAC is virtual MAC, destination is multicast MAC
- self.assertEqual(eth.src, vr.virtual_mac())
- self.assertEqual(eth.dst, vr.adv_dest_mac())
-
- self.assertEqual(ip.dst, "224.0.0.18")
- self.assertEqual(ip.ttl, 255)
- self.assertEqual(ip.proto, IPPROTO_VRRP)
-
- self.assertEqual(vrrp.version, 3)
- self.assertEqual(vrrp.type, 1)
- self.assertEqual(vrrp.vrid, vr.vr_id())
- if prio is None:
- prio = vr.priority()
- self.assertEqual(vrrp.priority, prio)
- self.assertEqual(vrrp.ipcount, len(vips))
- self.assertEqual(vrrp.adv, vr.adv_interval())
- self.assertListEqual(vrrp.addrlist, vips)
-
- # VR with priority 255 owns the virtual address and should
- # become master and start advertising immediately.
- def test_vrrp4_master_adv(self):
- """ IPv4 Master VR advertises """
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- prio = 255
- intvl = self._default_adv
- vr = VppVRRPVirtualRouter(self, self.pg0, 100,
- prio=prio, intvl=intvl,
- flags=self._default_flags)
-
- vr.add_vpp_config()
- vr.start_stop(is_start=1)
- self.logger.info(self.vapi.cli("show vrrp vr"))
- vr.start_stop(is_start=0)
- self.logger.info(self.vapi.cli("show vrrp vr"))
-
- pkts = self.pg0.get_capture(4)
-
- # Init -> Master: IGMP Join, VRRP adv, gratuitous ARP are sent
- self.verify_vrrp4_igmp(pkts[0])
- self.verify_vrrp4_adv(pkts[1], vr, prio=prio)
- self.verify_vrrp4_garp(pkts[2], vr.virtual_ips()[0], vr.virtual_mac())
- # Master -> Init: Adv with priority 0 sent to force an election
- self.verify_vrrp4_adv(pkts[3], vr, prio=0)
-
- vr.remove_vpp_config()
- self._vrs = []
-
- # VR with priority < 255 enters backup state and does not advertise as
- # long as it receives higher priority advertisements
- def test_vrrp4_backup_noadv(self):
- """ IPv4 Backup VR does not advertise """
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- vr_id = 100
- prio = 100
- intvl = self._default_adv
- intvl_s = intvl * 0.01
- vr = VppVRRPVirtualRouter(self, self.pg0, vr_id,
- prio=prio, intvl=intvl,
- flags=self._default_flags,
- vips=[self.pg0.remote_ip4])
- self._vrs.append(vr)
- vr.add_vpp_config()
-
- vr.start_stop(is_start=1)
-
- vr.assert_state_equals(VRRP_VR_STATE_BACKUP)
- # watch for advertisements for 2x the master down preemption timeout
- end_time = vr.start_time() + 2 * vr.master_down_seconds()
-
- # Init -> Backup: An IGMP join should be sent
- pkts = self.pg0.get_capture(1)
- self.verify_vrrp4_igmp(pkts[0])
-
- # send higher prio advertisements, should not receive any
- src_ip = self.pg0.remote_ip4
- pkts = [self.vrrp_adv_packet(prio=prio+10, src_ip=src_ip)]
- while time.time() < end_time:
- self.send_and_assert_no_replies(self.pg0, pkts, timeout=intvl_s)
- self.logger.info(self.vapi.cli("show trace"))
-
- vr.start_stop(is_start=0)
- self.logger.info(self.vapi.cli("show vrrp vr"))
- vr.remove_vpp_config()
- self._vrs = []
-
- def test_vrrp4_master_arp(self):
- """ IPv4 Master VR replies to ARP """
- self.pg_start()
-
- # VR virtual IP is the default, which is the pg local IP
- vr_id = 100
- prio = 255
- intvl = self._default_adv
- vr = VppVRRPVirtualRouter(self, self.pg0, 100,
- prio=prio, intvl=intvl,
- flags=self._default_flags)
- self._vrs.append(vr)
-
- vr.add_vpp_config()
-
- # before the VR is up, ARP should resolve to interface MAC
- self.pg0.resolve_arp()
- self.assertNotEqual(self.pg0.local_mac, vr.virtual_mac())
-
- # start the VR, ARP should now resolve to virtual MAC
- vr.start_stop(is_start=1)
- self.pg0.resolve_arp()
- self.assertEqual(self.pg0.local_mac, vr.virtual_mac())
-
- # stop the VR, ARP should resolve to interface MAC again
- vr.start_stop(is_start=0)
- self.pg0.resolve_arp()
- self.assertNotEqual(self.pg0.local_mac, vr.virtual_mac())
-
- vr.remove_vpp_config()
- self._vrs = []
-
- def test_vrrp4_backup_noarp(self):
- """ IPv4 Backup VR ignores ARP """
- # We need an address for a virtual IP that is not the IP that
- # ARP requests will originate from
-
- vr_id = 100
- prio = 100
- intvl = self._default_adv
- vip = self.pg0.remote_hosts[1].ip4
- vr = VppVRRPVirtualRouter(self, self.pg0, vr_id,
- prio=prio, intvl=intvl,
- flags=self._default_flags,
- vips=[vip])
- self._vrs.append(vr)
- vr.add_vpp_config()
-
- arp_req = (Ether(dst="ff:ff:ff:ff:ff:ff", src=self.pg0.remote_mac) /
- ARP(op=ARP.who_has, pdst=vip,
- psrc=self.pg0.remote_ip4, hwsrc=self.pg0.remote_mac))
-
- # Before the VR is started make sure no reply to request for VIP
- self.pg_start()
- self.pg_enable_capture(self.pg_interfaces)
- self.send_and_assert_no_replies(self.pg0, [arp_req], timeout=1)
-
- # VR should start in backup state and still should not reply to ARP
- # send a higher priority adv to make sure it does not become master
- adv = self.vrrp_adv_packet(prio=prio+10, src_ip=self.pg0.remote_ip4)
- vr.start_stop(is_start=1)
- self.send_and_assert_no_replies(self.pg0, [adv, arp_req], timeout=1)
-
- vr.start_stop(is_start=0)
- vr.remove_vpp_config()
- self._vrs = []
-
- def test_vrrp4_election(self):
- """ IPv4 Backup VR becomes master if no advertisements received """
-
- vr_id = 100
- prio = 100
- intvl = self._default_adv
- intvl_s = intvl * 0.01
- vip = self.pg0.remote_ip4
- vr = VppVRRPVirtualRouter(self, self.pg0, vr_id,
- prio=prio, intvl=intvl,
- flags=self._default_flags,
- vips=[vip])
- self._vrs.append(vr)
- vr.add_vpp_config()
-
- # After adding the VR, it should be in the init state
- vr.assert_state_equals(VRRP_VR_STATE_INIT)
-
- self.pg_start()
- vr.start_stop(is_start=1)
-
- # VR should be in backup state after starting
- vr.assert_state_equals(VRRP_VR_STATE_BACKUP)
- end_time = vr.start_time() + vr.master_down_seconds()
-
- # should not receive adverts until timer expires & state transition
- self.pg_enable_capture(self.pg_interfaces)
- while (time.time() + intvl_s) < end_time:
- time.sleep(intvl_s)
- self.pg0.assert_nothing_captured(filter_out_fn=is_not_adv)
-
- # VR should be in master state, should send an adv
- self.pg0.enable_capture()
- self.pg0.wait_for_packet(intvl_s, is_not_adv)
- vr.assert_state_equals(VRRP_VR_STATE_MASTER)
-
- def test_vrrp4_backup_preempts(self):
- """ IPv4 Backup VR preempts lower priority master """
-
- vr_id = 100
- prio = 100
- intvl = self._default_adv
- intvl_s = intvl * 0.01
- vip = self.pg0.remote_ip4
- vr = VppVRRPVirtualRouter(self, self.pg0, vr_id,
- prio=prio, intvl=intvl,
- flags=self._default_flags,
- vips=[vip])
- self._vrs.append(vr)
- vr.add_vpp_config()
-
- # After adding the VR, it should be in the init state
- vr.assert_state_equals(VRRP_VR_STATE_INIT)
-
- self.pg_start()
- vr.start_stop(is_start=1)
-
- # VR should be in backup state after starting
- vr.assert_state_equals(VRRP_VR_STATE_BACKUP)
- end_time = vr.start_time() + vr.master_down_seconds()
-
- # send lower prio advertisements until timer expires
- src_ip = self.pg0.remote_ip4
- pkts = [self.vrrp_adv_packet(prio=prio-10, src_ip=src_ip)]
- while time.time() + intvl_s < end_time:
- self.send_and_assert_no_replies(self.pg0, pkts, timeout=intvl_s)
- self.logger.info(self.vapi.cli("show trace"))
-
- # when timer expires, VR should take over as master
- self.pg0.enable_capture()
- self.pg0.wait_for_packet(timeout=intvl_s, filter_out_fn=is_not_adv)
- vr.assert_state_equals(VRRP_VR_STATE_MASTER)
-
- def test_vrrp4_master_preempted(self):
- """ IPv4 Master VR preempted by higher priority backup """
-
- # A prio 255 VR cannot be preempted so the prio has to be lower and
- # we have to wait for it to take over
- vr_id = 100
- prio = 100
- intvl = self._default_adv
- vip = self.pg0.remote_ip4
- vr = VppVRRPVirtualRouter(self, self.pg0, vr_id,
- prio=prio, intvl=intvl,
- flags=self._default_flags,
- vips=[vip])
- self._vrs.append(vr)
- vr.add_vpp_config()
-
- # After adding the VR, it should be in the init state
- vr.assert_state_equals(VRRP_VR_STATE_INIT)
-
- # start VR
- vr.start_stop(is_start=1)
- vr.assert_state_equals(VRRP_VR_STATE_BACKUP)
-
- # wait for VR to take over as master
- end_time = vr.start_time() + vr.master_down_seconds()
- sleep_s = end_time - time.time()
- time.sleep(sleep_s)
- vr.assert_state_equals(VRRP_VR_STATE_MASTER)
-
- # Build advertisement packet and send it
- pkts = [self.vrrp_adv_packet(prio=255, src_ip=self.pg0.remote_ip4)]
- self.pg_send(self.pg0, pkts)
-
- # VR should be in backup state again
- vr.assert_state_equals(VRRP_VR_STATE_BACKUP)
-
- def test_vrrp4_accept_mode_disabled(self):
- """ IPv4 Master VR does not reply for VIP w/ accept mode off """
-
- # accept mode only matters when prio < 255, so it will have to
- # come up as a backup and take over as master after the timeout
- vr_id = 100
- prio = 100
- intvl = self._default_adv
- vip = self.pg0.remote_hosts[4].ip4
- vr = VppVRRPVirtualRouter(self, self.pg0, vr_id,
- prio=prio, intvl=intvl,
- flags=self._default_flags,
- vips=[vip])
- self._vrs.append(vr)
- vr.add_vpp_config()
-
- # After adding the VR, it should be in the init state
- vr.assert_state_equals(VRRP_VR_STATE_INIT)
-
- # start VR
- vr.start_stop(is_start=1)
- vr.assert_state_equals(VRRP_VR_STATE_BACKUP)
-
- # wait for VR to take over as master
- end_time = vr.start_time() + vr.master_down_seconds()
- sleep_s = end_time - time.time()
- time.sleep(sleep_s)
- vr.assert_state_equals(VRRP_VR_STATE_MASTER)
-
- # send an ICMP echo to the VR virtual IP address
- echo = (Ether(dst=vr.virtual_mac(), src=self.pg0.remote_mac) /
- IP(dst=vip, src=self.pg0.remote_ip4) /
- ICMP(seq=1, id=self.pg0.sw_if_index, type='echo-request'))
- self.pg_send(self.pg0, [echo])
-
- # wait for an echo reply. none should be received
- time.sleep(1)
- self.pg0.assert_nothing_captured(filter_out_fn=is_not_echo_reply)
-
- def test_vrrp4_accept_mode_enabled(self):
- """ IPv4 Master VR replies for VIP w/ accept mode on """
-
- # A prio 255 VR cannot be preempted so the prio has to be lower and
- # we have to wait for it to take over
- vr_id = 100
- prio = 100
- intvl = self._default_adv
- vip = self.pg0.remote_hosts[4].ip4
- flags = (VRRP_VR_FLAG_PREEMPT | VRRP_VR_FLAG_ACCEPT)
- vr = VppVRRPVirtualRouter(self, self.pg0, vr_id,
- prio=prio, intvl=intvl,
- flags=flags,
- vips=[vip])
- self._vrs.append(vr)
- vr.add_vpp_config()
-
- # After adding the VR, it should be in the init state
- vr.assert_state_equals(VRRP_VR_STATE_INIT)
-
- # start VR
- vr.start_stop(is_start=1)
- vr.assert_state_equals(VRRP_VR_STATE_BACKUP)
-
- # wait for VR to take over as master
- end_time = vr.start_time() + vr.master_down_seconds()
- sleep_s = end_time - time.time()
- time.sleep(sleep_s)
- vr.assert_state_equals(VRRP_VR_STATE_MASTER)
-
- # send an ICMP echo to the VR virtual IP address
- echo = (Ether(dst=vr.virtual_mac(), src=self.pg0.remote_mac) /
- IP(dst=vip, src=self.pg0.remote_ip4) /
- ICMP(seq=1, id=self.pg0.sw_if_index, type='echo-request'))
- self.pg_send(self.pg0, [echo])
-
- # wait for an echo reply.
- time.sleep(1)
- rx_pkts = self.pg0.get_capture(expected_count=1, timeout=1,
- filter_out_fn=is_not_echo_reply)
-
- self.assertEqual(rx_pkts[0][IP].src, vip)
- self.assertEqual(rx_pkts[0][IP].dst, self.pg0.remote_ip4)
- self.assertEqual(icmptypes[rx_pkts[0][ICMP].type], "echo-reply")
- self.assertEqual(rx_pkts[0][ICMP].seq, 1)
- self.assertEqual(rx_pkts[0][ICMP].id, self.pg0.sw_if_index)
-
- def test_vrrp4_intf_tracking(self):
- """ IPv4 Master VR adjusts priority based on tracked interface """
-
- vr_id = 100
- prio = 255
- intvl = self._default_adv
- intvl_s = intvl * 0.01
- vip = self.pg0.local_ip4
- vr = VppVRRPVirtualRouter(self, self.pg0, vr_id,
- prio=prio, intvl=intvl,
- flags=self._default_flags,
- vips=[vip])
- self._vrs.append(vr)
- vr.add_vpp_config()
-
- # After adding the VR, it should be in the init state
- vr.assert_state_equals(VRRP_VR_STATE_INIT)
-
- # add pg1 as a tracked interface and start the VR
- adjustment = 50
- adjusted_prio = prio - adjustment
- vr.add_del_tracked_interface(is_add=1,
- sw_if_index=self.pg1.sw_if_index,
- prio=adjustment)
- vr.start_stop(is_start=1)
- vr.assert_state_equals(VRRP_VR_STATE_MASTER)
-
- adv_configured = self.vrrp_adv_packet(prio=prio)
- adv_adjusted = self.vrrp_adv_packet(prio=adjusted_prio)
-
- # tracked intf is up -> advertised priority == configured priority
- self.pg0.enable_capture()
- rx = self.pg0.wait_for_packet(timeout=intvl_s,
- filter_out_fn=is_not_adv)
- self.assertEqual(rx, adv_configured)
-
- # take down pg1, verify priority is now being adjusted
- self.pg1.admin_down()
- self.pg0.enable_capture()
- rx = self.pg0.wait_for_packet(timeout=intvl_s,
- filter_out_fn=is_not_adv)
- self.assertEqual(rx, adv_adjusted)
-
- # bring up pg1, verify priority now matches configured value
- self.pg1.admin_up()
- self.pg0.enable_capture()
- rx = self.pg0.wait_for_packet(timeout=intvl_s,
- filter_out_fn=is_not_adv)
- self.assertEqual(rx, adv_configured)
-
- # remove IP address from pg1, verify priority now being adjusted
- self.pg1.unconfig_ip4()
- self.pg0.enable_capture()
- rx = self.pg0.wait_for_packet(timeout=intvl_s,
- filter_out_fn=is_not_adv)
- self.assertEqual(rx, adv_adjusted)
-
- # add IP address to pg1, verify priority now matches configured value
- self.pg1.config_ip4()
- self.pg0.enable_capture()
- rx = self.pg0.wait_for_packet(timeout=intvl_s,
- filter_out_fn=is_not_adv)
- self.assertEqual(rx, adv_configured)
-
- def test_vrrp4_master_adv_unicast(self):
- """ IPv4 Master VR advertises (unicast) """
-
- vr_id = 100
- prio = 255
- intvl = self._default_adv
- intvl_s = intvl * 0.01
- vip = self.pg0.local_ip4
- flags = (self._default_flags | VRRP_VR_FLAG_UNICAST)
- unicast_peer = self.pg0.remote_hosts[4]
- vr = VppVRRPVirtualRouter(self, self.pg0, vr_id,
- prio=prio, intvl=intvl,
- flags=flags,
- vips=[vip])
- self._vrs.append(vr)
- vr.add_vpp_config()
- vr.set_unicast_peers([unicast_peer.ip4])
-
- # After adding the VR, it should be in the init state
- vr.assert_state_equals(VRRP_VR_STATE_INIT)
-
- # Start VR, transition to master
- vr.start_stop(is_start=1)
- vr.assert_state_equals(VRRP_VR_STATE_MASTER)
-
- self.pg0.enable_capture()
- rx = self.pg0.wait_for_packet(timeout=intvl_s,
- filter_out_fn=is_not_adv)
-
- self.assertTrue(rx.haslayer(Ether))
- self.assertTrue(rx.haslayer(IP))
- self.assertTrue(rx.haslayer(VRRPv3))
- self.assertEqual(rx[Ether].src, self.pg0.local_mac)
- self.assertEqual(rx[Ether].dst, unicast_peer.mac)
- self.assertEqual(rx[IP].src, self.pg0.local_ip4)
- self.assertEqual(rx[IP].dst, unicast_peer.ip4)
- self.assertEqual(rx[VRRPv3].vrid, vr_id)
- self.assertEqual(rx[VRRPv3].priority, prio)
- self.assertEqual(rx[VRRPv3].ipcount, 1)
- self.assertEqual(rx[VRRPv3].addrlist, [vip])
-
-
-@unittest.skipUnless(running_extended_tests, "part of extended tests")
-class TestVRRP6(VrrpCommonMixin, VppTestCase):
- """ IPv6 VRRP Test Case """
-
- @classmethod
- def setUpClass(cls):
- super(TestVRRP6, cls).setUpClass()
-
- @classmethod
- def tearDownClass(cls):
- super(TestVRRP6, cls).tearDownClass()
-
- def setUp(self):
- super(TestVRRP6, self).setUp()
-
- self.create_pg_interfaces(range(2))
-
- for i in self.pg_interfaces:
- i.admin_up()
- i.config_ip6()
- i.generate_remote_hosts(5)
- i.configure_ipv6_neighbors()
-
- self._vrs = []
- self._default_flags = (VRRP_VR_FLAG_IPV6 | VRRP_VR_FLAG_PREEMPT)
- self._default_adv = 100
-
- def tearDown(self):
- for vr in self._vrs:
- try:
- vr_api = vr.query_vpp_config()
- if vr_api.runtime.state != VRRP_VR_STATE_INIT:
- vr.start_stop(is_start=0)
- vr.remove_vpp_config()
- except:
- self.logger.error("Error cleaning up")
-
- for i in self.pg_interfaces:
- i.admin_down()
- i.unconfig_ip4()
- i.unconfig_ip6()
-
- self._vrs = []
-
- super(TestVRRP6, self).tearDown()
-
- def verify_vrrp6_mlr(self, pkt, vr):
- ip6 = pkt[IPv6]
- self.assertEqual(ip6.dst, "ff02::16")
- self.assertEqual(ipv6nh[ip6.nh], "Hop-by-Hop Option Header")
-
- hbh = pkt[IPv6ExtHdrHopByHop]
- self.assertEqual(ipv6nh[hbh.nh], "ICMPv6")
-
- self.assertTrue(pkt.haslayer(ICMPv6MLReport2))
- mlr = pkt[ICMPv6MLReport2]
- # should contain mc addr records for:
- # - VRRPv3 multicast addr
- # - solicited node mc addr record for each VR virtual IPv6 address
- vips = vr.virtual_ips()
- self.assertEqual(mlr.records_number, len(vips) + 1)
- self.assertEqual(mlr.records[0].dst, vr.adv_dest_ip())
-
- def verify_vrrp6_adv(self, rx_pkt, vr, prio=None):
- self.assertTrue(rx_pkt.haslayer(Ether))
- self.assertTrue(rx_pkt.haslayer(IPv6))
- self.assertTrue(rx_pkt.haslayer(VRRPv3))
-
- # generate a packet for this VR and compare it to the one received
- pkt = self.vrrp_adv_packet(prio=prio)
- self.assertTrue(rx_pkt.haslayer(Ether))
- self.assertTrue(rx_pkt.haslayer(IPv6))
- self.assertTrue(rx_pkt.haslayer(VRRPv3))
-
- self.assertEqual(pkt, rx_pkt)
-
- def verify_vrrp6_gna(self, pkt, vr):
- self.assertTrue(pkt.haslayer(Ether))
- self.assertTrue(pkt.haslayer(IPv6))
- self.assertTrue(pkt.haslayer(ICMPv6ND_NA))
- self.assertTrue(pkt.haslayer(ICMPv6NDOptDstLLAddr))
-
- self.assertEqual(pkt[Ether].dst, "33:33:00:00:00:01")
-
- self.assertEqual(pkt[IPv6].dst, "ff02::1")
- # convert addrs to packed format since string versions could differ
- src_addr = inet_pton(socket.AF_INET6, pkt[IPv6].src)
- vr_ll_addr = inet_pton(socket.AF_INET6, vr.interface().local_ip6_ll)
- self.assertEqual(src_addr, vr_ll_addr)
-
- self.assertTrue(pkt[ICMPv6ND_NA].tgt in vr.virtual_ips())
- self.assertEqual(pkt[ICMPv6NDOptDstLLAddr].lladdr, vr.virtual_mac())
-
- # VR with priority 255 owns the virtual address and should
- # become master and start advertising immediately.
- def test_vrrp6_master_adv(self):
- """ IPv6 Master VR advertises """
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- prio = 255
- intvl = self._default_adv
- vr = VppVRRPVirtualRouter(self, self.pg0, 100,
- prio=prio, intvl=intvl,
- flags=self._default_flags)
- self._vrs.append(vr)
-
- vr.add_vpp_config()
- self.logger.info(self.vapi.cli("show vrrp vr"))
- vr.start_stop(is_start=1)
- self.logger.info(self.vapi.cli("show vrrp vr"))
- vr.start_stop(is_start=0)
- self.logger.info(self.vapi.cli("show vrrp vr"))
-
- pkts = self.pg0.get_capture(4, filter_out_fn=None)
-
- # Init -> Master: Multicast group Join, VRRP adv, gratuitous NAs sent
- self.verify_vrrp6_mlr(pkts[0], vr)
- self.verify_vrrp6_adv(pkts[1], vr, prio=prio)
- self.verify_vrrp6_gna(pkts[2], vr)
- # Master -> Init: Adv with priority 0 sent to force an election
- self.verify_vrrp6_adv(pkts[3], vr, prio=0)
-
- vr.remove_vpp_config()
- self._vrs = []
-
- # VR with priority < 255 enters backup state and does not advertise as
- # long as it receives higher priority advertisements
- def test_vrrp6_backup_noadv(self):
- """ IPv6 Backup VR does not advertise """
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- vr_id = 100
- prio = 100
- intvl = self._default_adv
- intvl_s = intvl * 0.01
- vr = VppVRRPVirtualRouter(self, self.pg0, vr_id,
- prio=prio, intvl=intvl,
- flags=self._default_flags,
- vips=[self.pg0.remote_ip6])
- vr.add_vpp_config()
- self._vrs.append(vr)
-
- vr.start_stop(is_start=1)
-
- vr.assert_state_equals(VRRP_VR_STATE_BACKUP)
- # watch for advertisements for 2x the master down preemption timeout
- end_time = vr.start_time() + 2 * vr.master_down_seconds()
-
- # Init -> Backup: A multicast listener report should be sent
- pkts = self.pg0.get_capture(1, filter_out_fn=None)
-
- # send higher prio advertisements, should not see VPP send any
- src_ip = self.pg0.remote_ip6_ll
- num_advs = 5
- pkts = [self.vrrp_adv_packet(prio=prio+10, src_ip=src_ip)]
- self.logger.info(self.vapi.cli("show vlib graph"))
- while time.time() < end_time:
- self.send_and_assert_no_replies(self.pg0, pkts, timeout=intvl_s)
- self.logger.info(self.vapi.cli("show trace"))
- num_advs -= 1
-
- vr.start_stop(is_start=0)
- self.logger.info(self.vapi.cli("show vrrp vr"))
- vr.remove_vpp_config()
- self._vrs = []
-
- def test_vrrp6_master_nd(self):
- """ IPv6 Master VR replies to NDP """
- self.pg_start()
-
- # VR virtual IP is the default, which is the pg local IP
- vr_id = 100
- prio = 255
- intvl = self._default_adv
- vr = VppVRRPVirtualRouter(self, self.pg0, 100,
- prio=prio, intvl=intvl,
- flags=self._default_flags)
- vr.add_vpp_config()
- self._vrs.append(vr)
-
- # before the VR is up, NDP should resolve to interface MAC
- self.pg0.resolve_ndp()
- self.assertNotEqual(self.pg0.local_mac, vr.virtual_mac())
-
- # start the VR, NDP should now resolve to virtual MAC
- vr.start_stop(is_start=1)
- self.pg0.resolve_ndp()
- self.assertEqual(self.pg0.local_mac, vr.virtual_mac())
-
- # stop the VR, ARP should resolve to interface MAC again
- vr.start_stop(is_start=0)
- self.pg0.resolve_ndp()
- self.assertNotEqual(self.pg0.local_mac, vr.virtual_mac())
-
- vr.remove_vpp_config()
- self._vrs = []
-
- def test_vrrp6_backup_nond(self):
- """ IPv6 Backup VR ignores NDP """
- # We need an address for a virtual IP that is not the IP that
- # ARP requests will originate from
-
- vr_id = 100
- prio = 100
- intvl = self._default_adv
- intvl_s = intvl * 0.01
- vip = self.pg0.remote_hosts[1].ip6
- vr = VppVRRPVirtualRouter(self, self.pg0, vr_id,
- prio=prio, intvl=intvl,
- flags=self._default_flags,
- vips=[vip])
- vr.add_vpp_config()
- self._vrs.append(vr)
-
- nsma = in6_getnsma(inet_pton(socket.AF_INET6, vip))
- dmac = in6_getnsmac(nsma)
- dst_ip = inet_ntop(socket.AF_INET6, nsma)
-
- ndp_req = (Ether(dst=dmac, src=self.pg0.remote_mac) /
- IPv6(dst=dst_ip, src=self.pg0.remote_ip6) /
- ICMPv6ND_NS(tgt=vip) /
- ICMPv6NDOptSrcLLAddr(lladdr=self.pg0.remote_mac))
-
- # Before the VR is started make sure no reply to request for VIP
- self.send_and_assert_no_replies(self.pg0, [ndp_req], timeout=1)
-
- # VR should start in backup state and still should not reply to NDP
- # send a higher priority adv to make sure it does not become master
- adv = self.vrrp_adv_packet(prio=prio+10, src_ip=self.pg0.remote_ip6)
- pkts = [adv, ndp_req]
- vr.start_stop(is_start=1)
- self.send_and_assert_no_replies(self.pg0, pkts, timeout=intvl_s)
-
- vr.start_stop(is_start=0)
-
- def test_vrrp6_election(self):
- """ IPv6 Backup VR becomes master if no advertisements received """
-
- vr_id = 100
- prio = 100
- intvl = self._default_adv
- intvl_s = intvl * 0.01
- vip = self.pg0.remote_ip6
- vr = VppVRRPVirtualRouter(self, self.pg0, vr_id,
- prio=prio, intvl=intvl,
- flags=self._default_flags,
- vips=[vip])
- self._vrs.append(vr)
- vr.add_vpp_config()
-
- # After adding the VR, it should be in the init state
- vr.assert_state_equals(VRRP_VR_STATE_INIT)
-
- self.pg_start()
- vr.start_stop(is_start=1)
-
- # VR should be in backup state after starting
- vr.assert_state_equals(VRRP_VR_STATE_BACKUP)
- end_time = vr.start_time() + vr.master_down_seconds()
-
- # no advertisements should arrive until timer expires
- self.pg0.enable_capture()
- while (time.time() + intvl_s) < end_time:
- time.sleep(intvl_s)
- self.pg0.assert_nothing_captured(filter_out_fn=is_not_adv)
-
- # VR should be in master state after timer expires
- self.pg0.enable_capture()
- self.pg0.wait_for_packet(intvl_s, is_not_adv)
- vr.assert_state_equals(VRRP_VR_STATE_MASTER)
-
- def test_vrrp6_backup_preempts(self):
- """ IPv6 Backup VR preempts lower priority master """
-
- vr_id = 100
- prio = 100
- intvl = self._default_adv
- intvl_s = intvl * 0.01
- vip = self.pg0.remote_ip6
- vr = VppVRRPVirtualRouter(self, self.pg0, vr_id,
- prio=prio, intvl=intvl,
- flags=self._default_flags,
- vips=[vip])
- self._vrs.append(vr)
- vr.add_vpp_config()
-
- # After adding the VR, it should be in the init state
- vr.assert_state_equals(VRRP_VR_STATE_INIT)
-
- self.pg_start()
- vr.start_stop(is_start=1)
-
- # VR should be in backup state after starting
- vr.assert_state_equals(VRRP_VR_STATE_BACKUP)
- end_time = vr.start_time() + vr.master_down_seconds()
-
- # send lower prio advertisements until timer expires
- src_ip = self.pg0.remote_ip6
- pkts = [self.vrrp_adv_packet(prio=prio-10, src_ip=src_ip)]
- while (time.time() + intvl_s) < end_time:
- self.send_and_assert_no_replies(self.pg0, pkts, timeout=intvl_s)
- self.logger.info(self.vapi.cli("show trace"))
-
- # when timer expires, VR should take over as master
- self.pg0.enable_capture()
- self.pg0.wait_for_packet(timeout=intvl_s, filter_out_fn=is_not_adv)
- vr.assert_state_equals(VRRP_VR_STATE_MASTER)
-
- def test_vrrp6_master_preempted(self):
- """ IPv6 Master VR preempted by higher priority backup """
-
- # A prio 255 VR cannot be preempted so the prio has to be lower and
- # we have to wait for it to take over
- vr_id = 100
- prio = 100
- intvl = self._default_adv
- vip = self.pg0.remote_ip6
- vr = VppVRRPVirtualRouter(self, self.pg0, vr_id,
- prio=prio, intvl=intvl,
- flags=self._default_flags,
- vips=[vip])
- self._vrs.append(vr)
- vr.add_vpp_config()
-
- # After adding the VR, it should be in the init state
- vr.assert_state_equals(VRRP_VR_STATE_INIT)
-
- # start VR
- vr.start_stop(is_start=1)
- vr.assert_state_equals(VRRP_VR_STATE_BACKUP)
-
- # wait for VR to take over as master
- end_time = vr.start_time() + vr.master_down_seconds()
- sleep_s = end_time - time.time()
- time.sleep(sleep_s)
- vr.assert_state_equals(VRRP_VR_STATE_MASTER)
-
- # Build advertisement packet and send it
- pkts = [self.vrrp_adv_packet(prio=255, src_ip=self.pg0.remote_ip6)]
- self.pg_send(self.pg0, pkts)
-
- # VR should be in backup state again
- vr.assert_state_equals(VRRP_VR_STATE_BACKUP)
-
- def test_vrrp6_accept_mode_disabled(self):
- """ IPv6 Master VR does not reply for VIP w/ accept mode off """
-
- # accept mode only matters when prio < 255, so it will have to
- # come up as a backup and take over as master after the timeout
- vr_id = 100
- prio = 100
- intvl = self._default_adv
- vip = self.pg0.remote_hosts[4].ip6
- vr = VppVRRPVirtualRouter(self, self.pg0, vr_id,
- prio=prio, intvl=intvl,
- flags=self._default_flags,
- vips=[vip])
- self._vrs.append(vr)
- vr.add_vpp_config()
-
- # After adding the VR, it should be in the init state
- vr.assert_state_equals(VRRP_VR_STATE_INIT)
-
- # start VR
- vr.start_stop(is_start=1)
- vr.assert_state_equals(VRRP_VR_STATE_BACKUP)
-
- # wait for VR to take over as master
- end_time = vr.start_time() + vr.master_down_seconds()
- sleep_s = end_time - time.time()
- time.sleep(sleep_s)
- vr.assert_state_equals(VRRP_VR_STATE_MASTER)
-
- # send an ICMPv6 echo to the VR virtual IP address
- echo = (Ether(dst=vr.virtual_mac(), src=self.pg0.remote_mac) /
- IPv6(dst=vip, src=self.pg0.remote_ip6) /
- ICMPv6EchoRequest(seq=1, id=self.pg0.sw_if_index))
- self.pg_send(self.pg0, [echo])
-
- # wait for an echo reply. none should be received
- time.sleep(1)
- self.pg0.assert_nothing_captured(filter_out_fn=is_not_echo_reply)
-
- def test_vrrp6_accept_mode_enabled(self):
- """ IPv6 Master VR replies for VIP w/ accept mode on """
-
- # A prio 255 VR cannot be preempted so the prio has to be lower and
- # we have to wait for it to take over
- vr_id = 100
- prio = 100
- intvl = self._default_adv
- vip = self.pg0.remote_hosts[4].ip6
- flags = (self._default_flags | VRRP_VR_FLAG_ACCEPT)
- vr = VppVRRPVirtualRouter(self, self.pg0, vr_id,
- prio=prio, intvl=intvl,
- flags=flags,
- vips=[vip])
- self._vrs.append(vr)
- vr.add_vpp_config()
-
- # After adding the VR, it should be in the init state
- vr.assert_state_equals(VRRP_VR_STATE_INIT)
-
- # start VR
- vr.start_stop(is_start=1)
- vr.assert_state_equals(VRRP_VR_STATE_BACKUP)
-
- # wait for VR to take over as master
- end_time = vr.start_time() + vr.master_down_seconds()
- sleep_s = end_time - time.time()
- time.sleep(sleep_s)
- vr.assert_state_equals(VRRP_VR_STATE_MASTER)
-
- # send an ICMP echo to the VR virtual IP address
- echo = (Ether(dst=vr.virtual_mac(), src=self.pg0.remote_mac) /
- IPv6(dst=vip, src=self.pg0.remote_ip6) /
- ICMPv6EchoRequest(seq=1, id=self.pg0.sw_if_index))
- self.pg_send(self.pg0, [echo])
-
- # wait for an echo reply.
- time.sleep(1)
- rx_pkts = self.pg0.get_capture(expected_count=1, timeout=1,
- filter_out_fn=is_not_echo_reply)
-
- self.assertEqual(rx_pkts[0][IPv6].src, vip)
- self.assertEqual(rx_pkts[0][IPv6].dst, self.pg0.remote_ip6)
- self.assertEqual(rx_pkts[0][ICMPv6EchoReply].seq, 1)
- self.assertEqual(rx_pkts[0][ICMPv6EchoReply].id, self.pg0.sw_if_index)
-
- def test_vrrp6_intf_tracking(self):
- """ IPv6 Master VR adjusts priority based on tracked interface """
-
- vr_id = 100
- prio = 255
- intvl = self._default_adv
- intvl_s = intvl * 0.01
- vip = self.pg0.local_ip6
- vr = VppVRRPVirtualRouter(self, self.pg0, vr_id,
- prio=prio, intvl=intvl,
- flags=self._default_flags,
- vips=[vip])
- self._vrs.append(vr)
- vr.add_vpp_config()
-
- # After adding the VR, it should be in the init state
- vr.assert_state_equals(VRRP_VR_STATE_INIT)
-
- # add pg1 as a tracked interface and start the VR
- adjustment = 50
- adjusted_prio = prio - adjustment
- vr.add_del_tracked_interface(is_add=1,
- sw_if_index=self.pg1.sw_if_index,
- prio=adjustment)
- vr.start_stop(is_start=1)
- vr.assert_state_equals(VRRP_VR_STATE_MASTER)
-
- adv_configured = self.vrrp_adv_packet(prio=prio)
- adv_adjusted = self.vrrp_adv_packet(prio=adjusted_prio)
-
- # tracked intf is up -> advertised priority == configured priority
- self.pg0.enable_capture()
- rx = self.pg0.wait_for_packet(timeout=intvl_s,
- filter_out_fn=is_not_adv)
- self.assertEqual(rx, adv_configured)
-
- # take down pg1, verify priority is now being adjusted
- self.pg1.admin_down()
- self.pg0.enable_capture()
- rx = self.pg0.wait_for_packet(timeout=intvl_s,
- filter_out_fn=is_not_adv)
- self.assertEqual(rx, adv_adjusted)
-
- # bring up pg1, verify priority now matches configured value
- self.pg1.admin_up()
- self.pg0.enable_capture()
- rx = self.pg0.wait_for_packet(timeout=intvl_s,
- filter_out_fn=is_not_adv)
- self.assertEqual(rx, adv_configured)
-
- # remove IP address from pg1, verify priority now being adjusted
- self.pg1.unconfig_ip6()
- self.pg0.enable_capture()
- rx = self.pg0.wait_for_packet(timeout=intvl_s,
- filter_out_fn=is_not_adv)
- self.assertEqual(rx, adv_adjusted)
-
- # add IP address to pg1, verify priority now matches configured value
- self.pg1.config_ip6()
- self.pg0.enable_capture()
- rx = self.pg0.wait_for_packet(timeout=intvl_s,
- filter_out_fn=is_not_adv)
- self.assertEqual(rx, adv_configured)
-
- def test_vrrp6_master_adv_unicast(self):
- """ IPv6 Master VR advertises (unicast) """
-
- vr_id = 100
- prio = 255
- intvl = self._default_adv
- intvl_s = intvl * 0.01
- vip = self.pg0.local_ip6
- flags = (self._default_flags | VRRP_VR_FLAG_UNICAST)
- unicast_peer = self.pg0.remote_hosts[4]
- vr = VppVRRPVirtualRouter(self, self.pg0, vr_id,
- prio=prio, intvl=intvl,
- flags=flags,
- vips=[vip])
- self._vrs.append(vr)
- vr.add_vpp_config()
- vr.set_unicast_peers([unicast_peer.ip6])
-
- # After adding the VR, it should be in the init state
- vr.assert_state_equals(VRRP_VR_STATE_INIT)
-
- # Start VR, transition to master
- vr.start_stop(is_start=1)
- vr.assert_state_equals(VRRP_VR_STATE_MASTER)
-
- self.pg0.enable_capture()
- rx = self.pg0.wait_for_packet(timeout=intvl_s,
- filter_out_fn=is_not_adv)
-
- self.assertTrue(rx.haslayer(Ether))
- self.assertTrue(rx.haslayer(IPv6))
- self.assertTrue(rx.haslayer(VRRPv3))
- self.assertEqual(rx[Ether].src, self.pg0.local_mac)
- self.assertEqual(rx[Ether].dst, unicast_peer.mac)
- self.assertEqual(ip6_normalize(rx[IPv6].src),
- ip6_normalize(self.pg0.local_ip6_ll))
- self.assertEqual(ip6_normalize(rx[IPv6].dst),
- ip6_normalize(unicast_peer.ip6))
- self.assertEqual(rx[VRRPv3].vrid, vr_id)
- self.assertEqual(rx[VRRPv3].priority, prio)
- self.assertEqual(rx[VRRPv3].ipcount, 1)
- self.assertEqual(rx[VRRPv3].addrlist, [vip])
-
-
-if __name__ == '__main__':
- unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff