[6bone] routing problem
Daniel Austin
Daniel Austin" <daniel@kewlio.net
Mon, 12 Aug 2002 21:06:26 +0100
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Hi,
2001:610::/35 is not in our routing table from any peer.
We're seeing 2001:610::/32 from the following:
--cut--
BGP routing table entry for 2001:610::/32
Paths: (3 available, best #3, table Default-IP-Routing-Table)
Advertised to non peer-group peers:
3ffe:200:1:81::1 3ffe:1200:1002:1::f1 3ffe:4005:0:1::d 3ffe:4005:0:1::19
3ffe:4005:0:1::23 3ffe:4005:0:1::27
1654 8954 1103
3ffe:200:1:81::1 from 3ffe:200:1:81::1 (193.10.66.219)
Origin IGP, localpref 100, valid, external
Community: 24765:200 24765:2200 24765:7000
Last update: Mon Aug 12 13:44:10 2002
6726 1103
3ffe:4005:0:1::16 from 3ffe:4005:0:1::16 (80.71.6.94)
Origin IGP, localpref 100, valid, internal
Community: 24765:300 24765:1800 24765:8009
Last update: Sat Aug 10 18:18:25 2002
3265 1103
3ffe:4005::1 from 3ffe:4005::1 (62.24.229.120)
(fe80::2d0:b7ff:fe49:b3cc)
Origin IGP, localpref 100, valid, internal, best
Community: 24765:100 24765:1800 24765:6010
Last update: Fri Aug 9 21:34:49 2002
--cut--
With Thanks,
Daniel Austin,
Managing Director,
kewlio.net Limited.
<daniel@kewlio.net>
----- Original Message -----
From: "Jorgensen, Roger" <RJorgensen@upctechnology.com>
To: "'Gert Doering'" <gert@space.net>; "Wim Biemolt"
<Wim.Biemolt@surfnet.nl>
Cc: <6bone@ISI.EDU>
Sent: Monday, August 12, 2002 8:42 PM
Subject: RE: [6bone] routing problem
> Hi,
>
> We're geting the 2001:610::/35 from many of our peers, and
> we're also seing the 2001:610::/32 from even more peers.
>
> Seems like the ghost bug is out there again... this is what
> we see, and there are some common as path's in all of them,
>
>
> BGP routing table entry for 2001:610::/35, version 95785
> Paths: (26 available, best #21, table Global-IPv6-Table)
> Advertised to non peer-group peers:
> 2001:6C8:0:FFFD::12 2001:730::1:1 2001:730::1:3 2001:730::1:5
> 2001:730::1:7
> 2001:730::1:F 2001:730::1:15 2001:730::1:19 2001:730::1:1D
> 2001:730::1:21
> 2001:730::1:23 2001:730::1:29 2001:730::1:2F 2001:730::1:31
> 2001:730::1:33
> 2001:730::1:35 2001:730::1:37 2001:730::1:39 2001:730::1:3B
> 2001:730::1:3F
> 2001:730::1:41 2001:730:0:2::AAE2 2001:740:0:102::1:0 2001:768:E:24::1
> 2001:778:11:4::2 2001:7F8:2:800F::2 3FFE:2000:0:40F::22F
> 3FFE:2501:100::21
> 3FFE:2900:1:5::1 3FFE:4006:0:3::11 3FFE:4008:1::D 3FFE:81F1:1:2022::1
> 3FFE:8270:0:1::52
> 2012 513 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by 1103
> 145.145.249.242)
> 2001:730::1:33 from 2001:730::1:33 (193.224.190.128)
> Origin IGP, localpref 100, valid, external, atomic-aggregate
> Community: 2012:200 2012:513 6830:60003 6830:60011
> 2012 513 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by 1103
> 145.145.249.242), (received-only)
> 2001:730::1:33 from 2001:730::1:33 (193.224.190.128)
> Origin IGP, localpref 100, valid, external, atomic-aggregate
> Community: 2012:200 2012:513
> 790 3274 6175 10109 7660 2500 4725 1752 6939 3425 1103, (aggregated by
> 1103 145.145.249.242)
> 2001:730::1:7 from 2001:730::1:7 (193.94.250.58)
> Origin IGP, localpref 100, valid, external, atomic-aggregate
> Community: 6830:60003 6830:60011
> 790 3274 6175 10109 7660 2500 4725 1752 6939 3425 1103, (aggregated by
> 1103 145.145.249.242), (received-only)
> 2001:730::1:7 from 2001:730::1:7 (193.94.250.58)
> Origin IGP, localpref 100, valid, external, atomic-aggregate
> 559 513 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by 1103
> 145.145.249.242)
> 3FFE:2000:0:40F::22F from 3FFE:2000:0:40F::22F (130.59.32.38)
> Origin IGP, localpref 100, valid, external, atomic-aggregate
> Community: 6830:60003 6830:60011
> 559 513 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by 1103
> 145.145.249.242), (received-only)
> 3FFE:2000:0:40F::22F from 3FFE:2000:0:40F::22F (130.59.32.38)
> Origin IGP, localpref 100, valid, external, atomic-aggregate
> 3292 109 6435 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by
> 1103 145.145.249.242)
> 2001:6C8:0:FFFD::12 from 2001:6C8:0:FFFD::12 (195.249.8.172)
> Origin IGP, localpref 100, valid, external, atomic-aggregate
> Community: 6830:60003 6830:60011
> 3292 109 6435 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by
> 1103 145.145.249.242), (received-only)
> 2001:6C8:0:FFFD::12 from 2001:6C8:0:FFFD::12 (195.249.8.172)
> Origin IGP, localpref 100, valid, external, atomic-aggregate
> 6726 24765 6435 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by
> 1103 145.145.249.242)
> 2001:730::1:19 from 2001:730::1:19 (80.84.236.164)
> Origin IGP, localpref 100, valid, external, atomic-aggregate
> Community: 6830:60003 6830:60011
> 6726 24765 6435 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by
> 1103 145.145.249.242), (received-only)
> 2001:730::1:19 from 2001:730::1:19 (80.84.236.164)
> Origin IGP, localpref 100, valid, external, atomic-aggregate
> 8758 24765 4618 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by
> 1103 145.145.249.242)
> 3FFE:4006:0:3::11 from 3FFE:4006:0:3::11 (212.25.27.46)
> Origin IGP, localpref 100, valid, external, atomic-aggregate
> Community: 6830:60003 6830:60011 24765:200 24765:800 24765:3500
> 24765:7005
> 8758 24765 4618 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by
> 1103 145.145.249.242), (received-only)
> 3FFE:4006:0:3::11 from 3FFE:4006:0:3::11 (212.25.27.46)
> Origin IGP, localpref 100, valid, external, atomic-aggregate
> Community: 24765:200 24765:800 24765:3500 24765:7005
> 8973 24765 4618 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by
> 1103 145.145.249.242)
> 3FFE:4008:1::D from 3FFE:4008:1::D (192.16.124.2)
> Origin IGP, localpref 100, valid, external, atomic-aggregate
> Community: 6830:60003 6830:60011
> 8973 24765 4618 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by
> 1103 145.145.249.242), (received-only)
> 3FFE:4008:1::D from 3FFE:4008:1::D (192.16.124.2)
> Origin IGP, localpref 100, valid, external, atomic-aggregate
> 6175 10109 7660 2500 4725 1752 6939 3425 1103, (aggregated by 1103
> 145.145.249.242)
> 3FFE:2900:1:5::1 from 3FFE:2900:1:5::1 (208.19.223.30)
> Origin IGP, metric 0, localpref 100, valid, external,
> atomic-aggregate
> Community: 6830:60003 6830:60011
> 6175 10109 7660 2500 4725 1752 6939 3425 1103, (aggregated by 1103
> 145.145.249.242), (received-only) 3FFE:2900:1:5::1 from
> 3FFE:2900:1:5::1 (208.19.223.30)
> Origin IGP, metric 0, localpref 100, valid, external,
> atomic-aggregate
> 20834 513 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by 1103
> 145.145.249.242)
> 3FFE:8270:0:1::52 from 3FFE:8270:0:1::52 (80.71.0.50)
> Origin IGP, localpref 100, valid, external, atomic-aggregate
> Community: 6830:60003 6830:60011
> 20834 513 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by 1103
> 145.145.249.242), (received-only)
> 3FFE:8270:0:1::52 from 3FFE:8270:0:1::52 (80.71.0.50)
> Origin IGP, localpref 100, valid, external, atomic-aggregate
> 15589 5609 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by 1103
> 145.145.249.242)
> 2001:730::1:F from 2001:730::1:F (192.168.1.12)
> Origin IGP, localpref 100, valid, external, atomic-aggregate
> Community: 6830:60003 6830:60011
> 15589 5609 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by 1103
> 145.145.249.242), (received-only)
> 2001:730::1:F from 2001:730::1:F (192.168.1.12)
> Origin IGP, localpref 100, valid, external, atomic-aggregate
> 5609 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by 1103
> 145.145.249.242)
> 2001:730::1:9 from 2001:730::1:9 (163.162.170.129)
> Origin IGP, localpref 100, valid, external, atomic-aggregate, best
> Community: 6830:60003 6830:60011
> 5609 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by 1103
> 145.145.249.242), (received-only)
> 2001:730::1:9 from 2001:730::1:9 (163.162.170.129)
> Origin IGP, localpref 100, valid, external, atomic-aggregate
> 8379 6435 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by 1103
> 145.145.249.242)
> 2001:768:E:24::1 from 2001:768:E:24::1 (195.143.108.166)
> Origin IGP, localpref 100, valid, external, atomic-aggregate
> Community: 6830:60003 6830:60011
> 8379 6435 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by 1103
> 145.145.249.242), (received-only)
> 2001:768:E:24::1 from 2001:768:E:24::1 (195.143.108.166)
> Origin IGP, localpref 100, valid, external, atomic-aggregate
> 12337 15589 5609 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by
> 1103 145.145.249.242)
> 2001:730::1:31 from 2001:730::1:31 (62.128.0.14)
> Origin IGP, metric 10, localpref 100, valid, external,
> atomic-aggregate
> Community: 6830:60003 6830:60011 12337:6004
> 12337 15589 5609 9264 7660 2500 4725 1752 6939 3425 1103, (aggregated by
> 1103 145.145.249.242), (received-only)
> 2001:730::1:31 from 2001:730::1:31 (62.128.0.14)
> Origin IGP, metric 10, localpref 100, valid, external,
> atomic-aggregate
> Community: 12337:6004
>
>
>
> ---
> Roger Jorgensen (rjorgensen@upctechnology.com)
> System Engineer @ engineering - UPC Technology
> handles: ROJO1-6BONE ROJO9-RIPE RJC10-NORID
>
>
> > -----Original Message-----
> > From: Gert Doering [mailto:gert@space.net]
> > Sent: Monday, August 12, 2002 9:20 PM
> > To: Wim Biemolt
> > Cc: 6bone@ISI.EDU
> > Subject: Re: [6bone] routing problem
> >
> >
> > Hi,
> >
> > (I am copying the 6bone mailing list back in, as I think this
> > is a pretty
> > generic problem - I hope you don't mind)
> >
> > On Mon, Aug 12, 2002 at 08:56:09PM +0200, Wim Biemolt wrote:
> > > ==> From: Gert Doering
> > >
> > > > To clarify this: this is not an effect of "caching" of
> > any sort. It's
> > > > just plain buggy router implementations that don't handle
> > withdrawals
> > > > correctly.
> > >
> > > So I can only hope that a buggy router implementation also
> > means a memory
> > > leak or something like that causing them to reboot in the
> > real near future?
> >
> > No. In our case, the /35 staid in the table until I finally
> > managed to
> > reach someone at Viagenie who cleared some sessions... the BT /35 got
> > stuck at Chello, and after clearing their sessions, at Viagenie.
> >
> > > The only other option I see is switch back to our /35. We
> > are using IPv6
> > > as production.
> >
> > So are we...
> >
> > > Being without any decent IPv6 connectivity for too long
> > > won't do our case for IPv6 any good I'm afraid.
> >
> > No :-((
> >
> > My recommendation would be to contact all your peers and
> > check the different
> > paths seen everywhere for "common tails". Then contact the
> > AS(es) that you
> > see in the first hop of the "common tail" (in your case, as
> > far as I could
> > see, Chello and this Japanese AS) and ask them to check their
> > tables for
> > the prefix, and preferably clear some BGP sessions (upstream and/or
> > downstream).
> >
> > In the last case, clearing session at Chello and yelling at Viagenie
> > helped... but as I said, this time, Viagenie hasn't been in
> > the paths
> > (yet?), but a new japanese AS that I haven't seen before.
> >
> > This takes some time, though (1-2 days). If you can't spend
> > that time,
> > you'll have to announce both the /32 and the /35, establish contact to
> > the suspect ASes, withdraw the /35 again, and hope that you got the
> > right ones.
> >
> > Feel free to contact me to get an "show bgp ipv6 ..." output
> > from here.
> >
> > Gert Doering
> > -- NetMaster
> > --
> > Total number of prefixes smaller than registry allocations:
> > 46871 (46631)
> >
> > SpaceNet AG Mail: netmaster@Space.Net
> > Joseph-Dollinger-Bogen 14 Tel : +49-89-32356-0
> > 80807 Muenchen Fax : +49-89-32356-299
> >
> > _______________________________________________
> > 6bone mailing list
> > 6bone@mailman.isi.edu
> > http://mailman.isi.edu/mailman/listinfo/6bone
> >
> _______________________________________________
> 6bone mailing list
> 6bone@mailman.isi.edu
> http://mailman.isi.edu/mailman/listinfo/6bone
>
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