From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267334AbUHYNEh (ORCPT ); Wed, 25 Aug 2004 09:04:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267350AbUHYNEd (ORCPT ); Wed, 25 Aug 2004 09:04:33 -0400 Received: from nene.qinetiq.com ([192.102.214.10]:1992 "HELO nene.qinetiq.com") by vger.kernel.org with SMTP id S267334AbUHYNEb (ORCPT ); Wed, 25 Aug 2004 09:04:31 -0400 Subject: Re: 2.6.8.1: ip auto-config accepts wrong packages From: Mark Broadbent To: Frank Steiner Cc: Kernel Mailing List In-Reply-To: <412C5E80.8050603@bio.ifi.lmu.de> References: <412C5E80.8050603@bio.ifi.lmu.de> Message-Id: <1093439062.25506.12.camel@mbpc.signal.qinetiq.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Wed, 25 Aug 2004 14:04:23 +0100 Content-Type: text/plain Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2004-08-25 at 10:40, Frank Steiner wrote: > Hi, > > we are running a diskless client system using kernel ip autoconfiguration. > The problem is that sometimes clients accept packages that are meant > for other clients. > > ... > > I wasn't able to reproduce the problem from the command line using > dhclient, so I'm not sure if this is a general problem with dhcp or > a problem in the ip-autoconfig code of the client. Try enabling the debug messaging in the ipconfig code. Edit the file net/ipv4/ipconfig.c just below the #include's and change the line #undef IPCONFIG_DEBUG to #define IPCONFIG_DEBUG and rebuild. Post the outputs from both machines when you see this effect again. > Server and Clients both run 2.6.8.1 and the dhcp server is the ISC DHCP > server version 3.0.1rc12. Thanks Mark > cu, > Frank