From: KC (kanwal.chawla@gmail.com)
Date: Mon Jun 05 2006 - 16:15:52 ART
U can do this by giving the command " bgp best-path as-path ignore"
With this command BGP proceeds on best path by ignoring prepended AS numbers
On 6/5/06, Kay D <krsna83@gmail.com> wrote:
>
> Hi ,one of my colleagues had asked me this question
>
> B1---R2-----R3----R4----B2
>
> R2-confed as 64112 -AS 31
> R3-confed as 64111 -AS 31
> r4-confed as 64111 -AS 31
>
> B1- AS 30
> B2- AS 30
>
> B1 and B2 were pumping similiar routes
>
> R2 for some reason was choosing the routes from B2
> although i could see that Weight,local pref nor any visible attributes
> were
> manipulated in "sh ip bgp"
>
>
> (i tried to do a recreate of the same setup but R2 was choosing the route
> from B1)
>
>
> Questions :
>
> 1. )please help me understand why R2 is selecting the route from B2
>
> 2.)how do i go about in making R2 select routes from B1 "only by
> configuring R2 and not by manipulating weight and local
>
> preference "
>
> Please post your ideas
>
>
> Thanks ,
> Kay D
>
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