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
Blogs and organic groups at http://www.ccie.net
Received on Wed Jan 05 2011 - 02:48:10 ART
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