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#!/usr/bin/env python3
from scapy.layers.l2 import Ether
from scapy.layers.inet6 import IPv6
from asfframework import tag_fixme_vpp_workers
from framework import VppTestCase
@tag_fixme_vpp_workers
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_ip6, our_address=self.pg0.remote_ip6
)
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
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