Comcast route server not reflecting their reality

Wed Sep 11 17:05:11 UTC 2019

>
> IIRC, Comcast uses "local-as 7922" path rewriting for all enterprise EDI
> customers
> running BGP off of regional CRANs, unless I'm mistaken.  So if your
> regional CRAN
> is as7015 (for New England), even if your physical circuit and BGP session
> land
> on a local SUR in your area, you have to use remote-as 7922 to setup the
> session
> with Comcast ENS, regardless of the fact that actual peer's router is
> using as7015.
>

This totally makes sense, thanks for the explanation!
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