Re: Level3 worldwide emergency upgrade?

[Brian Landers <brian () bluecoat93 org>]

The Juniper PR in question is actually 836197.


On Wed, Feb 6, 2013 at 10:22 AM, Matthew Petach <mpetach () netflight com>wrote:

> On Wed, Feb 6, 2013 at 5:10 AM, Jonathan Towne <jtowne () slic com> wrote:
> > On Wed, Feb 06, 2013 at 07:57:06AM -0500, Alex Rubenstein scribbled:
> > # The question should be more along the lines of, "why aren't you
> multihomed in a way that would make a 30 minute outage (which is
> inevitable) irrelevant to you?
> > The fun part of this emergency maintenance in the northeast USA was that
> even
> > folks who are multihomed felt it: Level3 managed to do this in a way that
> > kept BGP sessions up but killed the ability to actually pass traffic.
>  I'm not
> > sure what they did that caused this, or whether anyone but northeast
> folks
> > were affected by it, but it sure was neat to be effectively blackholed
> in and
> > out of one of your provided circuits for a while.
>
>
> I recommend you grab
> http://kestrel3.netflight.com/2013.02.05-NANOG57-day2-afternoon-session.txt
>
> and search for PR8361907
>
> Richard did a very good lightning talk about why
> Juniper boxes will bring up BGP but blackhole
> traffic for 30 minutes to over an hour, depending
> on number of BGP sessions it is handling.
>
> His recommendation--if you don't like it, go tell
> Juniper to fix that bug.
>
> Matt


-- 
Brian C Landers
http://www.packetslave.com/
CCIE #23115 (R&S + Security)