Multi site BGP Routing design

Chuck Anderson cra at WPI.EDU
Sat Jun 6 00:33:24 UTC 2009

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.

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