From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: Possible networking regression in 3.6.0
Date: Fri, 28 Sep 2012 13:26:32 +0200
Message-ID: <1348831592.5093.2251.camel@edumazet-glaptop>
References: <5057455A.7050108@googlemail.com>
	 <50588371.40103@googlemail.com>  <505885DC.1060006@googlemail.com>
	 <1347979239.26523.267.camel@edumazet-glaptop>
	 <5059E40C.4070607@googlemail.com> <505D5A18.2080507@googlemail.com>
	 <50643DA1.7070306@googlemail.com>
	 <1348748042.5093.1168.camel@edumazet-glaptop>
	 <50649567.2010704@googlemail.com>
	 <1348779826.5093.1750.camel@edumazet-glaptop>
	 <1348780624.5093.1767.camel@edumazet-glaptop>
	 <50656C4A.8090302@googlemail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
Cc: David Miller <davem@davemloft.net>, netdev@vger.kernel.org,
	gpiez@web.de
To: Chris Clayton <chris2553@googlemail.com>
Return-path: <netdev-owner@vger.kernel.org>
Received: from mail-bk0-f46.google.com ([209.85.214.46]:37711 "EHLO
	mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1756132Ab2I1L0h (ORCPT
	<rfc822;netdev@vger.kernel.org>); Fri, 28 Sep 2012 07:26:37 -0400
Received: by bkcjk13 with SMTP id jk13so3206028bkc.19
        for <netdev@vger.kernel.org>; Fri, 28 Sep 2012 04:26:36 -0700 (PDT)
In-Reply-To: <50656C4A.8090302@googlemail.com>
Sender: netdev-owner@vger.kernel.org
List-ID: <netdev.vger.kernel.org>

On Fri, 2012-09-28 at 10:22 +0100, Chris Clayton wrote:

> No, the WinXP guest is configured with a fixed IP address 
> (192.168.200.1). Subnet mask is 255.255.255.0, and default gateway is 
> 192.168.200.254. DNS is 192.168.0.1.
> 

I have no problem with such a setup, with a linux guest.

Could you send again a tcpdump, but including link-level header ?
(option -e)

Ideally, you could send two traces, one taken on tap0, and another taken
on eth0.