Re: Routeviews and possible 0/0 route

[David Meyer <dmm () 1-4-5 net>]

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)?

        Nope to the former. Someone (6461) is advertising it. We
        haven't traditionally filtered what we receive from our
        peers. Note also that route views does not use routes from
        the peers for forwarding traffic. 

        Dave