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')
return 'x' * len
-class TestMPLS(VppTestCase):
+class TestIPIPMPLS(VppTestCase):
""" MPLS Test Case """
@classmethod
def setUpClass(cls):
- super(TestMPLS, cls).setUpClass()
+ super(TestIPIPMPLS, cls).setUpClass()
cls.create_pg_interfaces(range(2))
cls.interfaces = list(cls.pg_interfaces)
@classmethod
def tearDownClass(cls):
- super(TestMPLS, cls).tearDownClass()
+ super(TestIPIPMPLS, cls).tearDownClass()
def setUp(self):
- super(TestMPLS, self).setUp()
+ super(TestIPIPMPLS, self).setUp()
for i in self.interfaces:
i.admin_up()
i.config_ip4()
i.resolve_ndp()
def tearDown(self):
- super(TestMPLS, self).tearDown()
+ super(TestIPIPMPLS, self).tearDown()
for i in self.pg_interfaces:
i.unconfig_ip4()