Multi site BGP Routing design

Steve Bertrand steve at
Sat Jun 6 00:36:01 UTC 2009

Chuck Anderson wrote:
> 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.

For some reason, I see that as being a configuration method that would
quickly be forgotten about, and later cause major headaches trying to

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