[115075] in North American Network Operators' Group
Re: Multi site BGP Routing design
daemon@ATHENA.MIT.EDU (Chuck Anderson)
Fri Jun 5 20:34:07 2009
Date: Fri, 5 Jun 2009 20:33:24 -0400
From: Chuck Anderson <cra@WPI.EDU>
To: nanog@nanog.org
Mail-Followup-To: nanog@nanog.org
In-Reply-To: <3351AB2E05C84597AD375B6762D2A08B@usicorp.usinternet.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Fri, Jun 05, 2009 at 05:50:28PM -0500, Justin Krejci wrote:
> If the private link between the two sites fails, will BGP allow for us to
> access the IP subnets at site 2 from site 1 via the internet given that both
> sites are advertising under the same ASN?
Maybe. Especially if both sites are connected to the same ISP, you
can tweak some BGP knobs to allow your own ASN to appear in the AS
PATH N times where N > 1, and accept the routes anyway.
