[137086] in North American Network Operators' Group
Too bigs are sacred, was: Re: IPv6 addressing for core network
daemon@ATHENA.MIT.EDU (Iljitsch van Beijnum)
Wed Feb 9 12:45:34 2011
From: Iljitsch van Beijnum <iljitsch@muada.com>
In-Reply-To: <iiuj0f$tes$1@dough.gmane.org>
Date: Wed, 9 Feb 2011 18:44:40 +0100
To: David Freedman <david.freedman@uk.clara.net>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 9 feb 2011, at 18:30, David Freedman wrote:
> (yes, even ICMP TOOBIG
> can be filtered safely if you have designed things in a sane way)
NO.
Even if you run with 1280-byte MTUs everywhere so you'd think path MTU =
discovery wouldn't be needed, this can still cause problems with =
IPv6-to-IPv4 translators.=
