From owner-freebsd-net@FreeBSD.ORG Thu Mar 11 11:08:09 2010 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B7E74106566B for ; Thu, 11 Mar 2010 11:08:09 +0000 (UTC) (envelope-from sh@keff.org) Received: from mail-ew0-f228.google.com (mail-ew0-f228.google.com [209.85.219.228]) by mx1.freebsd.org (Postfix) with ESMTP id 590D88FC0A for ; Thu, 11 Mar 2010 11:08:08 +0000 (UTC) Received: by ewy28 with SMTP id 28so3128021ewy.33 for ; Thu, 11 Mar 2010 03:08:08 -0800 (PST) Received: by 10.213.102.75 with SMTP id f11mr1838456ebo.79.1268305688153; Thu, 11 Mar 2010 03:08:08 -0800 (PST) Received: from [194.71.109.21] (htpc.keff.org [194.71.109.21]) by mx.google.com with ESMTPS id 15sm4665355ewy.4.2010.03.11.03.08.06 (version=SSLv3 cipher=RC4-MD5); Thu, 11 Mar 2010 03:08:06 -0800 (PST) Message-ID: <4B98CF44.2080605@keff.org> Date: Thu, 11 Mar 2010 12:08:52 +0100 From: Sebastian Hyrwall User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.8) Gecko/20100227 Lightning/1.0b1 Thunderbird/3.0.3 MIME-Version: 1.0 To: freebsd-net@freebsd.org X-Enigmail-Version: 1.0.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: 6to4/stf relay X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Mar 2010 11:08:09 -0000 Hi Trying to understand something.. stf0 in FreeBSD has a non-changeable mtu of 1280. If you're setting up a 6to4-relay using FreeBSD doesn't this break stuff for other end-hosts using your relay? Linux for example has a default MTU of 1480. Sincerely, Sebastian H