diff options
Diffstat (limited to 'test/test_ipip.py')
| -rw-r--r-- | test/test_ipip.py | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/test/test_ipip.py b/test/test_ipip.py index 83395e0bd72..8e16c80f05f 100644 --- a/test/test_ipip.py +++ b/test/test_ipip.py @@ -1150,6 +1150,59 @@ class TestIPIP6(VppTestCase): p6_reply.id = 256 self.validate(reass_pkt, p6_reply) + def test_ip6_mpls_frag(self): + """ Test fragmenting IPv6 over MPLS """ + + # IPv6 packets must be locally generated to be fragmented + # the use of tunnel encaps + tun_dst = VppIpRoute( + self, "1000::1", 128, + [VppRoutePath(self.pg1.remote_ip6, + self.pg1.sw_if_index, + labels=[VppMplsLabel(32)])]).add_vpp_config() + + tun = VppIpIpTunInterface( + self, + self.pg0, + self.pg0.local_ip6, + "1000::1").add_vpp_config() + + tun.admin_up() + tun.config_ip6() + tun.config_ip4() + + self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, + [2000, 0, 0, 0]) + + p_6k = (Ether(dst=self.pg0.local_mac, + src=self.pg0.remote_mac) / + IPv6(src=self.pg0.remote_ip6, + dst=tun.remote_ip6) / + UDP(sport=1234, dport=5678) / + Raw(b'0xa' * 2000)) + p_2k = (Ether(dst=self.pg0.local_mac, + src=self.pg0.remote_mac) / + IPv6(src=self.pg0.remote_ip6, + dst=tun.remote_ip6) / + UDP(sport=1234, dport=5678) / + Raw(b'0xa' * 1000)) + p_1k = (Ether(dst=self.pg0.local_mac, + src=self.pg0.remote_mac) / + IPv6(src=self.pg0.remote_ip6, + dst=tun.remote_ip6) / + UDP(sport=1234, dport=5678) / + Raw(b'0xa' * 600)) + + # this is now the interface MTU frags + rxs = self.send_and_expect(self.pg0, [p_6k], self.pg1, n_rx=4) + self.assertEqual(rxs[0][UDP].dport, 5678) + for rx in rxs: + self.assertEqual(rx[MPLS].label, 32) + self.assertEqual(rx[IPv6].dst, "1000::1") + self.assertEqual(rx[IPv6].dst, "1000::1") + self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=2) + self.send_and_expect(self.pg0, [p_1k], self.pg1) + def test_ipip_create(self): """ ipip create / delete interface test """ rv = ipip_add_tunnel(self, '1.2.3.4', '2.3.4.5') |