+#!/usr/bin/env python
+
+import unittest
+
+from scapy.layers.l2 import Ether
+from scapy.layers.inet6 import IPv6
+
+from framework import VppTestCase
+
+
+class TestL2tp(VppTestCase):
+ """ L2TP Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestL2tp, cls).setUpClass()
+
+ cls.create_pg_interfaces(range(1))
+ cls.pg0.admin_up()
+ cls.pg0.config_ip6()
+
+ def test_l2tp_decap_local(self):
+ """ L2TP don't accept packets unless configured """
+
+ pkt = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6, nh=115))
+
+ self.pg0.add_stream(pkt)
+ self.pg_start()
+
+ # l2tp should not accept packets
+ err = self.statistics.get_counter(
+ '/err/l2tp-decap-local/l2tpv3 session not found')[0]
+ self.assertEqual(err, 0)
+ err_count = err
+
+ self.vapi.l2tpv3_create_tunnel(client_address=self.pg0.local_ip6n,
+ our_address=self.pg0.remote_ip6n,
+ is_ipv6=1)
+
+ self.pg0.add_stream(pkt)
+ self.pg_start()
+
+ # l2tp accepts packets
+ err = self.statistics.get_counter(
+ '/err/l2tp-decap-local/l2tpv3 session not found')[0]
+ self.assertEqual(err, 1)
+ err_count = err