[132417] in North American Network Operators' Group
Re: XO/AS2828 -> Cogent/AS174 blackholing
daemon@ATHENA.MIT.EDU (Tore Anderson)
Mon Nov 22 15:19:37 2010
Date: Mon, 22 Nov 2010 21:19:22 +0100
From: Tore Anderson <tore.anderson@redpill-linpro.com>
To: NANOG list <nanog@nanog.org>
In-Reply-To: <4CEA3EF6.90001@redpill-linpro.com>
Cc: "Beasley, Jason" <Jason.A.Beasley@xo.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Problem solved. The culprit turned out to be a Cogent router in Dallas.
Many thanks to Jason Beasley from XO for helping out with
troubleshooting and escalating the issue.
* Tore Anderson
> I'm seeing blackholing on my inbound traffic from XO and their
> downstreams (notably CNN) via Cogent. Prepending towards Cogent changes
> my inbound path from 2828 174 39029 to 2828 3549 3292 39029 and it
> works fine, even though the outbound path is still via Cogent:
--
Tore Anderson
Redpill Linpro AS - http://www.redpill-linpro.com/
Tel: +47 21 54 41 27
