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-rw-r--r--test/test_gre.py25
1 files changed, 25 insertions, 0 deletions
diff --git a/test/test_gre.py b/test/test_gre.py
index 9046b05f2f6..5cdc0637a1a 100644
--- a/test/test_gre.py
+++ b/test/test_gre.py
@@ -507,6 +507,9 @@ class TestGRE(VppTestCase):
def test_gre6(self):
""" GRE IPv6 tunnel Tests """
+ self.pg1.config_ip6()
+ self.pg1.resolve_ndp()
+
#
# Create an L3 GRE tunnel.
# - set it admin up
@@ -571,6 +574,27 @@ class TestGRE(VppTestCase):
self.pg2.local_ip6, "1002::1")
#
+ # Test decap. decapped packets go out pg1
+ #
+ tx = self.create_tunnel_stream_6o6(self.pg2,
+ "1002::1",
+ self.pg2.local_ip6,
+ "2001::1",
+ self.pg1.remote_ip6)
+ self.vapi.cli("clear trace")
+ self.pg2.add_stream(tx)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ rx = self.pg1.get_capture(len(tx))
+
+ #
+ # RX'd packet is UDP over IPv6, test the GRE header is gone.
+ #
+ self.assertFalse(rx[0].haslayer(GRE))
+ self.assertEqual(rx[0][IPv6].dst, self.pg1.remote_ip6)
+
+ #
# test case cleanup
#
route_tun_dst.remove_vpp_config()
@@ -578,6 +602,7 @@ class TestGRE(VppTestCase):
gre_if.remove_vpp_config()
self.pg2.unconfig_ip6()
+ self.pg1.unconfig_ip6()
def test_gre_vrf(self):
""" GRE tunnel VRF Tests """