From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benny Amorsen Subject: Re: [PATCH] net/ipv4/arp.c: Fix arp reply when sender ip 0 Date: Fri, 16 Nov 2007 15:13:01 +0100 Message-ID: References: <20071115.152813.89410917.davem@davemloft.net> <20071116.010548.94286711.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-kernel@vger.kernel.org To: netdev@vger.kernel.org Return-path: Received: from main.gmane.org ([80.91.229.2]:34778 "EHLO ciao.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752595AbXKPONi (ORCPT ); Fri, 16 Nov 2007 09:13:38 -0500 Received: from list by ciao.gmane.org with local (Exim 4.43) id 1It1wZ-0000Hc-W7 for netdev@vger.kernel.org; Fri, 16 Nov 2007 14:13:16 +0000 Received: from hd5b9080a.c45-01-12.sta.perspektivbredband.net ([213.185.8.10]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 16 Nov 2007 14:13:15 +0000 Received: from benny+usenet by hd5b9080a.c45-01-12.sta.perspektivbredband.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 16 Nov 2007 14:13:15 +0000 Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org >>>>> "DM" == David Miller writes: >> Reply: >> Opcode: reply (0x0002) >> Sender HW: 00:AA.00:AA:00:AA >> Sender IP: 192.168.0.1 >> Target HW: 00:AA:00:AA:00:AA >> Target IP: 192.168.0.1 DM> And this is exactly a sensible response in my opinion. Why send the reply at all? Sending a unicast packet with yourself as destination MAC seems a bit useless. Do switches propagate it? /Benny