[115480] in North American Network Operators' Group
Re: Use of Default in the DFZ: banned in philly,
daemon@ATHENA.MIT.EDU (Ricardo Oliveira)
Wed Jun 24 13:41:09 2009
From: Ricardo Oliveira <rveloso@cs.ucla.edu>
To: Jack Bates <jbates@brightok.net>
In-Reply-To: <4A422DA6.6030005@brightok.net>
Date: Wed, 24 Jun 2009 10:39:35 -0700
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Jack,
Please give me your ASN and i'll double check our data. As long as the
network has 4 or less downstreams, it's being labeled as "stub".
More details here:
http://www.cs.ucla.edu/~rveloso/papers/completeness-ton.pdf
Thanks,
--Ricardo
On Jun 24, 2009, at 6:44 AM, Jack Bates wrote:
> Randy Bush wrote:
>> please do check your as at <http://psg.com/default/> and then
>> actually
>> look at your router config. i found one of my routers still had a
>> default from when i was bringing it up.
>
> Ick. Nothing was right. Reported as mixed, though that may be my
> fault and not your testing. Hmmm. Or your test didn't take some
> things into account like changes over time. Normally I keep a
> default route available, but due to changing IGP internally I
> actually have a default which points interior from the edge routers.
> So when I shut down the last BGP session on the old cisco, the
> defaults to the transits went away.
>
> Was also reported as a stub. Glad to know that I don't have BGP
> customers. Oh, wait, I do. :)
>
>
> Jack
