diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/test_neighbor.py | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/test/test_neighbor.py b/test/test_neighbor.py index 48c6a291248..67d64a20faa 100644 --- a/test/test_neighbor.py +++ b/test/test_neighbor.py @@ -87,6 +87,24 @@ class ARPTestCase(VppTestCase): self.assertEqual(arp.psrc, sip) self.assertEqual(arp.pdst, dip) + def verify_arp_vrrp_resp(self, rx, smac, dmac, sip, dip): + ether = rx[Ether] + self.assertEqual(ether.dst, dmac) + self.assertEqual(ether.src, smac) + + arp = rx[ARP] + self.assertEqual(arp.hwtype, 1) + self.assertEqual(arp.ptype, 0x800) + self.assertEqual(arp.hwlen, 6) + self.assertEqual(arp.plen, 4) + self.assertEqual(arp.op, arp_opts["is-at"]) + self.assertNotEqual(arp.hwsrc, smac) + self.assertTrue("00:00:5e:00:01" in arp.hwsrc or + "00:00:5E:00:01" in arp.hwsrc) + self.assertEqual(arp.hwdst, dmac) + self.assertEqual(arp.psrc, sip) + self.assertEqual(arp.pdst, dip) + def verify_ip(self, rx, smac, dmac, sip, dip): ether = rx[Ether] self.assertEqual(ether.dst, dmac) @@ -737,5 +755,62 @@ class ARPTestCase(VppTestCase): "10.0.0.1") self.pg2.unconfig_ip4() + def test_arp_vrrp(self): + """ ARP reply with VRRP virtual src hw addr """ + + # + # IP packet destined for pg1 remote host arrives on pg0 resulting + # in an ARP request for the address of the remote host on pg1 + # + p0 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / + IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) / + UDP(sport=1234, dport=1234) / + Raw()) + + self.pg0.add_stream(p0) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + rx1 = self.pg1.get_capture(1) + + self.verify_arp_req(rx1[0], + self.pg1.local_mac, + self.pg1.local_ip4, + self.pg1.remote_ip4) + + # + # ARP reply for address of pg1 remote host arrives on pg1 with + # the hw src addr set to a value in the VRRP IPv4 range of + # MAC addresses + # + p1 = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) / + ARP(op="is-at", hwdst=self.pg1.local_mac, + hwsrc="00:00:5e:00:01:09", pdst=self.pg1.local_ip4, + psrc=self.pg1.remote_ip4)) + + self.pg1.add_stream(p1) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + # + # IP packet destined for pg1 remote host arrives on pg0 again. + # VPP should have an ARP entry for that address now and the packet + # should be sent out pg1. + # + self.pg0.add_stream(p0) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + rx1 = self.pg1.get_capture(1) + + self.verify_ip(rx1[0], + self.pg1.local_mac, + "00:00:5e:00:01:09", + self.pg0.remote_ip4, + self.pg1.remote_ip4) + + self.pg1.admin_down() + self.pg1.admin_up() + if __name__ == '__main__': unittest.main(testRunner=VppTestRunner) |