From mboxrd@z Thu Jan 1 00:00:00 1970 From: Francois Romieu Subject: Re: jme: UDP checksum error, and lots of them Date: Fri, 3 Dec 2010 00:15:46 +0100 Message-ID: <20101202231546.GA3507@electric-eye.fr.zoreil.com> References: <20101201.200935.71110482.davem@davemloft.net> <20101202042820.M98672@cooldavid.org> <20101201.215916.104055114.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: cooldavid@cooldavid.org, jengelh@medozas.de, netdev@vger.kernel.org To: David Miller Return-path: Received: from violet.fr.zoreil.com ([92.243.8.30]:48096 "EHLO violet.fr.zoreil.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757180Ab0LBXP6 (ORCPT ); Thu, 2 Dec 2010 18:15:58 -0500 Content-Disposition: inline In-Reply-To: <20101201.215916.104055114.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-ID: David Miller : [...] > Something isn't right here. The only thing that makes sense is if > the tcpdump checksum validation is wrong for some reason. Because > only then could we give a reason for the UDP frames to not be > dropped before vpnc can see them. Wild guess : 192.168... is the local address and tcpdump chokes on an outgoing, yet-not-checksummed packet. -- Ueimor