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-rw-r--r--test/test_mpls.py27
1 files changed, 25 insertions, 2 deletions
diff --git a/test/test_mpls.py b/test/test_mpls.py
index 0ad1ee6977e..d0c9e249a05 100644
--- a/test/test_mpls.py
+++ b/test/test_mpls.py
@@ -203,7 +203,10 @@ class TestMPLS(VppTestCase):
except:
raise
- def verify_capture_tunneled_ip4(self, src_if, capture, sent, mpls_labels):
+ def verify_capture_tunneled_ip4(self, src_if, capture, sent, mpls_labels,
+ ttl=255, top=None):
+ if top is None:
+ top = len(mpls_labels) - 1
try:
capture = self.verify_filter(capture, sent)
@@ -217,7 +220,7 @@ class TestMPLS(VppTestCase):
# the MPLS TTL is 255 since it enters a new tunnel
self.verify_mpls_stack(
- rx, mpls_labels, 255, len(mpls_labels) - 1)
+ rx, mpls_labels, ttl, top)
self.assertEqual(rx_ip.src, tx_ip.src)
self.assertEqual(rx_ip.dst, tx_ip.dst)
@@ -617,6 +620,26 @@ class TestMPLS(VppTestCase):
rx = self.pg0.get_capture()
self.verify_capture_tunneled_ip4(self.pg0, rx, tx, [44, 46])
+ #
+ # add a labelled route through the new tunnel
+ #
+ route_10_0_0_4 = VppIpRoute(self, "10.0.0.4", 32,
+ [VppRoutePath("0.0.0.0",
+ mpls_tun._sw_if_index,
+ labels=[33])])
+ route_10_0_0_4.add_vpp_config()
+
+ self.vapi.cli("clear trace")
+ tx = self.create_stream_ip4(self.pg0, "10.0.0.4")
+ self.pg0.add_stream(tx)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx = self.pg0.get_capture()
+ self.verify_capture_tunneled_ip4(self.pg0, rx, tx, [44, 46, 33],
+ ttl=63, top=2)
+
def test_v4_exp_null(self):
""" MPLS V4 Explicit NULL test """