Extended ACLs and Policy Based Routing

Unanswered Question
Oct 13th, 2009

I would like to ask if it is possible to use a extended ACL in defining a route-map? the extended ACL includes a specific source ip and a destination IP. I tried doing this however when I tested using traceroute, I noticed a specific hop where a packet timed out. Please refer to the attached screenshots. Thank you.



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Giuseppe Larosa Tue, 10/13/2009 - 22:46

Hello Nathanael,

it is possible to use extended ACLs with PBR.


match ip address


see command reference for 12.4 mainline


http://www.cisco.com/en/US/docs/ios/iproute/command/reference/irp_pi1.html#wp1013725


it clearly states the invoked ACL can be extended.


what you see may be related to the presence of the command

no ip unreachables

on the next-hop device on the interface towards traceroute source.


Hope to help

Giuseppe


ncariaga52682 Wed, 10/14/2009 - 07:52

Hi Giuseppe,


Thank you for your response. To be honest, I already tried this prior starting this thread. However, I noticed that the 3rd hop timed out when I was trying to test the configuration. I thought i did something wrong with my configuration which caused the 3rd hop to timed out (please see the attached image at the start of this thread).


Thanks again for your response.


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