[141521] in North American Network Operators' Group
Re: IPv6 day non-participants
daemon@ATHENA.MIT.EDU (Patrick W. Gilmore)
Wed Jun 8 18:19:11 2011
From: "Patrick W. Gilmore" <patrick@ianai.net>
In-Reply-To: <BANLkTikFuYjUikXP+kmMtD9CdDJN_BZGMA@mail.gmail.com>
Date: Wed, 8 Jun 2011 18:18:56 -0400
To: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Jun 8, 2011, at 12:49 PM, George B. wrote:
> Was participating until we hit a rather nasty load balancer bug that
> took out the entire unit if clients with a short MTU connected and it
> needed to fragment packets (Citrix Netscaler running latest code). No
> fix is available for it yet, so we had to shut it down. Ran for about
> 9 hours before the "magic" client that blew it up connected.
>
> So if you are using a Netscaler with SLB-PT (IPv6 VIP balancing to
> IPv4 servers), the entire LB is subject to stop working until they get
> this fixed.
And this is EXACTLY why we needed World IPv6 Day.
Thank you for participating.
--
TTFN,
patrick