[33455] in North American Network Operators' Group
Re: IPIP-tunnel with 1500 MTU
daemon@ATHENA.MIT.EDU (Mikael Abrahamsson)
Thu Jan 11 15:08:11 2001
Date: Thu, 11 Jan 2001 21:00:58 +0100 (CET)
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: <nanog@merit.edu>
In-Reply-To: <3A5E1007.22E80AD@digitalglobe.com>
Message-ID: <Pine.LNX.4.30.0101112059040.20762-100000@uplift.swm.pp.se>
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Errors-To: owner-nanog-outgoing@merit.edu
On Thu, 11 Jan 2001, Brian Moore wrote:
> Who is setting the DF flag and why? If an end host is doing it,
All windows machines do this by default.
> check to see if P-MTUd is set on the end host and turn it off.
> Several OSs try to do this by default (Solaris, HP-UX, etc).
> >From my past experience with P-MTUd (dates back a few years),
> almost no vendor understood how to implement it.
http://www.cisco.com/warp/public/105/56.html
Even cisco recognises the problem and offer no solution :/
--
Mikael Abrahamsson email: swmike@swm.pp.se
