[135225] in North American Network Operators' Group

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Re: Dual Homed BGP for failover

daemon@ATHENA.MIT.EDU (Jack Carrozzo)
Tue Jan 18 16:03:55 2011

In-Reply-To: <4D35FEAC.9040705@brightok.net>
Date: Tue, 18 Jan 2011 16:03:04 -0500
From: Jack Carrozzo <jack@crepinc.com>
To: Jack Bates <jbates@brightok.net>
Cc: ayousuf0079@gmail.com, nanog group <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

On Tue, Jan 18, 2011 at 3:57 PM, Jack Bates <jbates@brightok.net> wrote:

> You should still be careful, as most processors keep a copy of filtered
> routes as well, so while your forwarding table may not increase, your route
> processor memory most likely will.
>
>
I don't think this is the case, on IOS at least. Some years ago I was
rocking some 7500s with $not_enough ram for multiple full tables, but with a
prefix list to accept le 23  they worked fine.

 -Jack Carrozzo

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