[158801] in North American Network Operators' Group
Re: RADB entry
daemon@ATHENA.MIT.EDU (Courtney Smith)
Tue Dec 11 17:38:31 2012
From: Courtney Smith <courtneysmith@comcast.net>
Date: Tue, 11 Dec 2012 17:37:59 -0500
In-Reply-To: <mailman.9859.1355256090.12739.nanog@nanog.org>
To: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
>=20
> Anyone,
>=20
>=20
>=20
> Hopefully this is a simple question about RADB. I'm
> supporting a small wireless ISP, they just recently added a second =
upstream
> connection - Charter (AS 20115). The IP space was originally issued =
by the
> other upstream Windstream (AS 7029). Looking at a few resources such =
as the
> bgp.he.net to see who peers with who and looking glasses, it seems =
that not
> all of AS 20115 peers are accepting our prefix. AT&T is an example -
> AS7018. In one case, it's an upstream 2 levels up - Century Link =
accepts
> from Charter, but Level 3 doesn't accept it from Century Link. =
Charter uses
> RADB. The entry for the prefix looks like this:
>=20
>=20
>=20
What makes you think Level3 is not accepting from CenturyLink? I =
suspect Century Link may be a peer of Level3 instead of a customer. =
Windstream appears to be a customer of Level3. Level3 will put a higher =
local pref on customer routes.
Courtney Smith
courtneysmith@comcast.net
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