X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_mtu.py;h=3c938a8cdcec659266fad9d28076403aa2e24e7f;hb=7c0eb56f4;hp=568a147a9a489d439bb3eb425e923fad87958003;hpb=097fa66b986f06281f603767d321ab13ab6c88c3;p=vpp.git

diff --git a/test/test_mtu.py b/test/test_mtu.py
index 568a147a9a4..3c938a8cdce 100644
--- a/test/test_mtu.py
+++ b/test/test_mtu.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 """IP4 and IP6 MTU functional tests"""
 
 #
@@ -101,7 +101,6 @@ class TestMTU(VppTestCase):
                           dst=self.pg0.remote_ip4,
                           ttl=254, len=576, id=0) /
                        p_icmp4 / p_ip4 / p_payload)
-        icmp4_reply[1].ttl -= 1
         n = icmp4_reply.__class__(icmp4_reply)
         s = bytes(icmp4_reply)
         icmp4_reply = s[0:576]
@@ -118,7 +117,7 @@ class TestMTU(VppTestCase):
         p4 = p_ether / p_ip4 / p_payload
         p4.flags = 0
         p4_reply = p_ip4 / p_payload
-        p4_reply.ttl = 62  # check this
+        p4_reply.ttl = p_ip4.ttl - 1
         p4_reply.flags = 0
         p4_reply.id = 256
         self.pg_enable_capture()