[c-nsp] Sup1a MSFC2 Policy Based Routing

Richard Gallagher rgallagh at cisco.com
Tue Dec 26 17:43:00 EST 2006


Try setting the next-hop to the directly connected address that 4.4.4.10 
  is reachable via.

Jason Ford wrote:
> Hey all,
> 
> I am having some problems getting policy based routing (using a 
> access-list to identify source) working on a 6500 with a Sup1a / MSFC2 
> card. Background of the setup is the following:
> 
> 1. Have 4 BGP peers using equal weight in and out for routing choices.
> 2. 6500 is running in Native IOS with version 
> c6sup12-ps-mz.121-26.E3.bin and c6msfc2-boot-mz.121-26.E3.bin.
> 
> I am trying to use source based routing to control one of my subnets 
> outbound traffic to use a lower cost BGP peer over the other 3. The 
> source address in this case we will use 1.1.1.0/28 and is directly 
> connecting to f 3/10. The BGP peer router I want the traffic to go out 
> is 4.4.4.10 and is directly connected to g 1/1. So I setup the following 
> route-map and identify the source network via an access-list with the 
> following configuration.
> 
> access-list 180 permit ip 1.1.1.0 0.0.0.16 any
> 
> route-map peer-out permit 10
>  match ip address 180
>  set ip next-hop 4.4.4.10
> 
> This is where I get a bit lost. I assigned this route map to the 
> interface in which the 1.1.1.0 network was attached with this.
> 
> interface f 3/10
> ip policy route-map peer-out
> 
> I don't see the policy routing matches increasing when I do a show 
> route-map peer-out. On top of that, if I traceroute from any server in 
> the 1.1.1.0/28 network to the outside world, it still uses the BGP 
> preferred route from the route table. Is there something I am doing 
> wrong here to override the outbound traffic for this subnet to go over a 
> desired BGP peer?
> 
> Any help would be greatly appreciated.
> 
> Regards,
> 
> jason
> 
> 
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-- 

--
* richard gallagher - ccie#7211
* cisco tac - crs / ios-xr
* email: rgallagh at cisco.com
* tel: +61 (0)2 8446 7829


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