Re: BGP inbound/outbound filter preference

Hi.

With route-map you can match things other than prefixes, and also
manipulate attributes. Also with route-maps you can impose more
sophisticated logic upon your peers.

HTH
A.

On 11/2/2010 9:45 AM, emir d souza wrote:
> Hi Guys,
>
> I'm a bit confused, from what I understand is that for filtering traffic,
> BGP will look at filtering in this order:-
>
> Inbound: route-map> filter-list> prefix-list
> Outbound: prefix-list> filter-list> route-map
>
> Question is: For example. why bother having both route-map and prefix-list
> filtering on the inbound when you can just use a single route-map to filter
> in traffic. I've seen this being done on some SP routers, and I'm wondering
> if there good explanation as to why they are doing this.
>
> Route-map will filter out community tags and prefix-list will filter out
> specific routes, can't we do both on route-maps alone??
>
> Cheers.
>
> Emir
>
>
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Received on Tue Nov 02 2010 - 16:52:05 ART