bogus route: 2001::/16

[Antonio Querubin]

On Fri, 18 Jan 2002, Ronald van der Pol wrote:

> Date: Fri, 18 Jan 2002 08:38:55 +0100
> From: Ronald van der Pol <Ronald.vanderPol@rvdp.org>
> To: itojun@iijlab.net
> Cc: 6bone@ISI.EDU
> Subject: Re: bogus route: 2001::/16
>
> On Thu, Jan 17, 2002 at 11:32:19 +0900, itojun@iijlab.net wrote:
>
> > 	we are seeing a bogus route, namely 2001::/16, advertised from
> > 	AS 1003.  please stop it.  thanks.
>
> It's 1103 and this is us, surfnet. I contacted Itojun offline because
> we are not announcing the prefix to 3274. We also do not see 2001::/16
> in our routing table. We don't see the route, Itojun still does. Could
> the other ASes in the path below have a check? I suspect it is a buggy
> BGP implementation somewhere which is holding the route.


We do not see 2001::/16 in our routing tables here at LavaNet, ASN 6435.


> > bgpd@otm6-gate1# sh ipv6 bgp 2001::/16
> > BGP routing table entry for 2001::/16
> > Paths: (2 available, best #2, table Default-IP-Routing-Table)
> >   Advertised to non peer-group peers:
> >   2001:200:0:1800::9c4:0 2001:200:0:1800::12a9:1 2001:200:0:1800::2513:0 2001:200:0:1800::2516:1 2001:200:0:1800::2518:1 2001:200:0:1800::2527:1 2001:200:0:1800::4697:1 2001:200:0:1800::4716:1 2001:200:0:1800::4725:1 2001:200:0:1800::6461:1 2001:200:0:1800::7514:1 2001:200:0:1800::9600:1 2001:200:0:1800:0:1:13:0 2001:200:0:1800:0:1:7522:0 2001:200:0:1800:200:f8ff:fe01:6c53 2001:200:0:1800:2e0:b0ff:fe2d:1f01 2001:240:100:ff::1 2001:240:100:ff::2
> >   2500 4691 8002 6726 2611 6774 4589 680 1275 762 6175 6435 109 1251 3265 7521 7521 7521 7521 4697 3425 293 4554 8954 10566 5408 2549 3274 1103
> >     2001:200:0:1800::9c4:0 from 2001:200:0:1800::9c4:0 (203.178.140.203)
> >     (fe80::9c4:0)
> >       Origin incomplete, localpref 100, valid, external
> >       Last update: Thu Jan 17 08:40:26 2002
> >
> >   4691 8002 6726 2611 6774 4589 680 1275 762 6175 6435 109 1251 3265 7521 7521 7521 7521 4697 3425 293 4554 8954 10566 5408 2549 3274 1103
> >     2001:200:0:1800::4691:1 from 2001:200:0:1800::4691:1 (203.181.69.181)
> >       Origin incomplete, metric 3, localpref 100, valid, external, best
> >       Last update: Thu Jan 17 08:40:16 2002