From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261287AbULHSK1 (ORCPT ); Wed, 8 Dec 2004 13:10:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261288AbULHSKP (ORCPT ); Wed, 8 Dec 2004 13:10:15 -0500 Received: from fw.osdl.org ([65.172.181.6]:55694 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S261287AbULHSGB (ORCPT ); Wed, 8 Dec 2004 13:06:01 -0500 Date: Wed, 8 Dec 2004 10:05:57 -0800 From: Chris Wright To: FoObArf00@netscape.net Cc: linux-kernel@vger.kernel.org Subject: Re: IGMP packets? Message-ID: <20041208100556.F469@build.pdx.osdl.net> References: <123E01F1.3018C387.023DF18B@netscape.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <123E01F1.3018C387.023DF18B@netscape.net>; from FoObArf00@netscape.net on Mon, Dec 06, 2004 at 07:29:18PM -0500 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * FoObArf00@netscape.net (FoObArf00@netscape.net) wrote: > I have been trying to analyze igmp packets (queries, reports) with > ttl of 1 ,of course, in the kernel and ran into a weird situation. > Only when an interface is in promiscuous mode (i.e. tcpdump), the igmp > packets get to ip_rcv on ip_input.c. I was wondering if someone can > point in the right direction on how/where to get the these packets when > not doing a tcpdump. Thanks Could you be more specific? Which machines are involved (e.g. IIRC the igmp report is not looped back locally). What do you mean by analyze in the kernel? thanks, -chris