[160405] in North American Network Operators' Group
Re: L3 East cost maint / fiber 05FEB2012 maintenance
daemon@ATHENA.MIT.EDU (Jonathan Lassoff)
Tue Feb 5 12:23:45 2013
In-Reply-To: <CALKMwxkH4RsR-JtnnJFMMNXmb3Ld+N9914_YNMRYPKe2z8kcCg@mail.gmail.com>
Date: Tue, 5 Feb 2013 09:23:22 -0800
From: Jonathan Lassoff <jof@thejof.com>
To: esseph@gmail.com
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
My hunch is that this is fallout and repairs from Juniper PR839412.
Only fix is an upgrade. Not sure why they're not able to do a hitless
upgrade though; that's unfortunate.
Specially-crafted TCP packets that can get past RE/loopback filters
can crash the box.
--j
On Tue, Feb 5, 2013 at 7:39 AM, Josh Reynolds <esseph@gmail.com> wrote:
> I know a lot of you are out of the office right now, but does anybody have
> any info on what happened with L3 this morning? They went into a 5 hour
> maintenance window with expected downtime of about 30 minutes while they
> upgraded something like *40* of their "core routers" (their words), but
> also did this during some fiber work and completely cut off several of
> their east coast peers for the entirety of the 5 hour window.
>
> If anybody has any more info on this, on a NOC contact for them on the East
> Coast for future issues, you can hit me off off-list if you don't feel
> comfortable replying with that info here.
>
> Thanks, and I hope hope you guys are enjoying Orlando.
>
> --
> *Josh Reynolds*
> esseph@gmail.com - (270) 302-3552
