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-rwxr-xr-xsmoketest/scripts/cli/test_vpp.py14
1 files changed, 14 insertions, 0 deletions
diff --git a/smoketest/scripts/cli/test_vpp.py b/smoketest/scripts/cli/test_vpp.py
index 9f67b79c8..1886ac615 100755
--- a/smoketest/scripts/cli/test_vpp.py
+++ b/smoketest/scripts/cli/test_vpp.py
@@ -118,6 +118,7 @@ class TestVPP(VyOSUnitTestSHIM.TestCase):
def test_01_vpp_basic(self):
main_core = '0'
poll_sleep = '0'
+ mtu = '2500'
# Main core must be verified
# expect raise ConfigError
@@ -161,6 +162,19 @@ class TestVPP(VyOSUnitTestSHIM.TestCase):
required_str = 'lcp route-no-paths off'
self.assertIn(required_str, out)
+ # set interface MTU
+ self.cli_set(['interfaces', 'ethernet', interface, 'mtu', mtu])
+ self.cli_commit()
+
+ # check MTU for the LCP interface pair
+ _, out = rc_cmd('sudo vppctl show interface')
+ normalized_out = re.sub(r'\s+', ' ', out)
+ self.assertIn(f'tap4096 2 up {mtu}/0/0/0', normalized_out)
+
+ # delete mtu settings
+ self.cli_delete(['interfaces', 'ethernet', interface, 'mtu'])
+ self.cli_commit()
+
def test_02_vpp_vxlan(self):
vni = '23'
interface_vxlan = f'vxlan{vni}'