Re: L3 East cost maint / fiber 05FEB2012 maintenance

[Jonathan Lassoff <jof () thejof com>]

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