X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FInterfaceUtil.py;h=2980afa34972408d81598af8a926074f60aca4e0;hp=0447ba5b15b85b4155fbad1f9c8215f1d9ef230c;hb=eb4515115a69f5a3fe9b2fe178110cc5ff78b73a;hpb=083f612d7c38df32acb0266f2ca2ed7a6ec5f7f3;ds=sidebyside

diff --git a/resources/libraries/python/InterfaceUtil.py b/resources/libraries/python/InterfaceUtil.py
index 0447ba5b15..2980afa349 100644
--- a/resources/libraries/python/InterfaceUtil.py
+++ b/resources/libraries/python/InterfaceUtil.py
@@ -225,6 +225,9 @@ class InterfaceUtil(object):
         """
 
         if_data = InterfaceUtil.vpp_get_interface_data(node, interface)
+        if if_data['sup_sw_if_index'] != if_data['sw_if_index']:
+            if_data = InterfaceUtil.vpp_get_interface_data(
+                node, if_data['sup_sw_if_index'])
         mac_data = [str(hex(item))[2:] for item in if_data['l2_address'][:6]]
         mac_data_nice = []
         for item in mac_data: