[70487] in North American Network Operators' Group
Re: MSN blocking PMTUD
daemon@ATHENA.MIT.EDU (Mikael Abrahamsson)
Mon May 17 12:23:09 2004
Date: Mon, 17 May 2004 18:21:49 +0200 (CEST)
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: Miguel Mata-Cardona <mmata@intercom.com.sv>
Cc: nanog@merit.edu
In-Reply-To: <40A880BC.6199.32C1D87F@localhost>
Errors-To: owner-nanog-outgoing@merit.edu
On Mon, 17 May 2004, Miguel Mata-Cardona wrote:
> Is there somebody from MSN here? Is there a workaround for this
> problem without using other type of tunneling? If not, is there any
> other workaround?
Use "ip mtu 1500" on each tunnel interface. Uses more CPU but works.
"ip adjust-mss 1300" is also nice, in conjunction with the above you end
up with the TCP traffic not being fragmented and it still being
transparent for fullsize UDP traffic.
--
Mikael Abrahamsson email: swmike@swm.pp.se
