Re: BGP Config

You could try AS Path pre-pending on the low bandwidth link, or you could
ask AT&T to not aggregate and advertise the correct prefix and ask the other
ISP to advertise the aggregate.

CCIE # 23962 (SP)

On Wed, Jan 5, 2011 at 9:48 AM, Timothy Chin <tim_at_1csol.com> wrote:

> I've been working on a BGP configuration between one site multihomed to
> 2 ISPs. One ISP is basically a backup with a low bandwidth connection
> and the other ISP is AT&T. AT&T assigned the Class C and I am
> advertising the network. The problem is that AT&T is aggregating the
> block and since I am advertising the specific class C all incoming
> traffic is coming through the low bandwidth connection because of the
> longest match. I hate to say my BGP is a little rusty but how would I be
> able to conditionally advertise the longest match to the low bandwidth
> ISP so that all traffic comes through AT&T via the aggregate?
>
>
>
> Timothy Chin
>
> CCIE #23866
>
>
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Received on Wed Jan 05 2011 - 09:53:44 ART