Contact at AS701?

[Gerrit Wenig]

Hi Bernhard,

On Mon, 09 Jul 2007, Bernhard Schmidt wrote:
> On Mon, Jul 09, 2007 at 04:55:51PM -0400, John Payne wrote:
> 
> >> anyone here from AS701? It appears that since about Friday you are leaking 
> >> a number of prefixes you receive from AS12702 (MCI Europe) to peers like 
> >> Sprint, GBLX, NTT/Verio and Level3.
> > I'd have thought that was to be expected - 701 is Verizon Business US (MCI, 
> > UUNET, ....) or the US partner network to (12)702
> 
> Sorry for not being 100% clear, the paths leaked have been received by
> 12702 on peering sessions, for example from 
> 
> 1273 (Cable & Wireless)
> 6453 (Teleglobe)
> 6830 (UPC)
> 
> to name the largest ones. There is no way those should be advertised by
> 701 to Sprint, GBLX et al. 
> 
> Advertising MCI customer routes would indeed be expected, but as far as
> I can tell right now _no_ prefix that shares this path is a MCI Europe
> customer prefix. Either because those are not announced (which would be
> a funny coincidence) or because most networks peer with 12702 directly.

I'm not directly responsible for AS701, but for the EMEA Part
AS12702. I will check what has happened in the US and make the
US colleagues aware of this route leak. It is definetly not the
expected behaviour.

Regards,
Gerrit

-- 
Verizon Business			
EMEA IP Engineering & Core Planning


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