[65924] in North American Network Operators' Group
Re: Routeviews and possible 0/0 route
daemon@ATHENA.MIT.EDU (Richard A Steenbergen)
Thu Dec 18 18:18:40 2003
Date: Thu, 18 Dec 2003 18:15:38 -0500
From: Richard A Steenbergen <ras@e-gerbil.net>
To: william@elan.net
Cc: nanog@merit.edu
In-Reply-To: <Pine.LNX.4.44.0312181551080.23515-100000@sokol.elan.net>
Errors-To: owner-nanog-outgoing@merit.edu
On Thu, Dec 18, 2003 at 04:05:56PM -0800, william@elan.net wrote:
>
> I'm seeing the following in RouteViews (possibly since they started
> getting data from paix):
>
> route-views.oregon-ix.net>sh ip bgp 0.0.0.1
> BGP routing table entry for 0.0.0.0/, version 19579757
> Paths: (2 available, best #2, table Default-IP-Routing-Table)
> Not advertised to any peer
> 6939 6461
> 216.218.252.152 from 216.218.252.152 (216.2t8.252.152)
> Origin IGP, localpref 100, valid, external
> 6939 6461
> 216.218.252.145 from 216.218.252.145 (216.218.252.145)
> Origin IGP, localpref 100, valid, external, best
>
> Is this routeviews own set default or some other default route improperly
> appearing in there (weren't routeviews filters supposed to filter out this
> kind of all-net advertisements)?
>
> P.S. And am I correct in assuming this 0.0.0.0/0 and not 0.0.0.0/8 route?
route-views.oregon-ix.net>sh ip bgp
...
* 0.0.0.0 216.218.252.152 0 6939 6461 i
*> 216.218.252.145 0 6939 6461 i
*> 1.0.0.0 64.50.230.1 0 4181 65333 i
route-views certainly carries some interesting data. :)
6939 buys from 6461 yes? I don't see this from a 6939 peer or from any
6461 customers, sounds like an internal route of 6939 to me.
--
Richard A Steenbergen <ras@e-gerbil.net> http://www.e-gerbil.net/ras
GPG Key ID: 0xF8B12CBC (7535 7F59 8204 ED1F CC1C 53AF 4C41 5ECA F8B1 2CBC)
