[119045] in North American Network Operators' Group
Re: AT&T flapped in Washington?
daemon@ATHENA.MIT.EDU (Leland Vandervort)
Thu Nov 5 12:27:13 2009
From: Leland Vandervort <leland@taranta.discpro.org>
To: Ali S <sterbeats@gmail.com>
In-Reply-To: <b6345ca00911050921p547bf69dp88bd8ff5d881e7e8@mail.gmail.com>
Date: Thu, 05 Nov 2009 18:26:30 +0100
Cc: nanog@nanog.org
Reply-To: leland@taranta.discpro.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
DC it seems..
specifically #13 in the partial trace:
11 cr2.n54ny.ip.att.net (12.122.130.102) 87.720 ms 85.642 ms 87.083
ms
12 cr2.wswdc.ip.att.net (12.122.3.38) 85.815 ms 89.022 ms 89.031 ms
13 12.122.134.153 (12.122.134.153) 88.434 ms 85.743 ms 85.440 ms
and #13 in this one:
9 xe-0-1-0.er1.dca2.us.above.net (64.125.27.25) 103.117 ms 103.171
ms 103.140 ms
10 xe-1-1-0.er1.iad10.above.net (64.125.26.238) 81.522 ms 81.509 ms
81.570 ms
11 192.205.36.125 (192.205.36.125) 82.556 ms 82.594 ms 82.570 ms
12 cr1.wswdc.ip.att.net (12.122.82.222) 85.047 ms cr2.wswdc.ip.att.net
(12.122.84.46) 84.959 ms 84.784 ms
13 12.122.134.1 (12.122.134.1) 84.224 ms 84.719 ms 12.122.135.1
(12.122.135.1) 84.745 ms
On Thu, 2009-11-05 at 09:21 -0800, Ali S wrote:
> Washington state or DC ?
>
> sent via droid...
>
> > On Nov 5, 2009 8:25 AM, "Leland Vandervort"
> > <leland@taranta.discpro.org> wrote:
> >
> > Hi all,
> >
> > Anyone have any information on the 20 minute (or so) flap that
> > appears
> > to have occured in Washington between AT&T and the rest of the
> > world?
> >
> > We saw a complete outage of connectivity to several APIs at a few
> > parnters who happen to all be behind AT&T. Although in BGP the
> > routes
> > were still being advertised across this peering from AT&T to the
> > world,
> > traffic just died at the washington peering with AT&T irrespective
> > of
> > which path we took. (3 different transits here).
> >
> > Just curious.
> >
> >
> > Thanks,
> >
> > Leland
> >
> >
> >
>
