[c-nsp] route-map behavior with policy routing

Bruce Pinsky bep at whack.org
Fri Aug 25 01:49:08 EDT 2006


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Joe Maimon wrote:
> 
> 
> Bruce Pinsky wrote:
> 
>>
>>
>> A quick test showed that without the access-list existing, all packets
>> seem
>> to match the route map and are policy routed.
>>
> 
> So you should be adding
> 
> route-map PBR per 5
> 
> before working on acl 90
> 
> and when you are done
> 
> no route-map PBR per 5


Yes, that will still cause a policy match, but with no disposition it bails
out and falls back to destination routing.

00:06:22: IP: s=192.168.0.1 (local), d=210.150.248.138, len 100, policy match
00:06:22: IP: route map foobar, item 5, permit
00:06:22: IP: s=192.168.0.1 (local), d=210.150.248.138, len 100, policy
rejected -- normal forwarding
00:06:22: IP: s=192.168.0.9 (local), d=210.150.248.138, len 100, policy match
00:06:22: IP: route map foobar, item 5, permit
00:06:22: IP: s=192.168.0.9 (local), d=210.150.248.138, len 100, policy
rejected -- normal forwarding
00:06:22: IP: s=192.168.0.1 (local), d=210.150.248.138, len 100, policy match
00:06:22: IP: route map foobar, item 5, permit
00:06:22: IP: s=192.168.0.1 (local), d=210.150.248.138, len 100, policy
rejected -- normal forwarding

If policy forwarding all traffic is the source of the problem, this should
work around it.

- --
=========
bep

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