From owner-freebsd-stable@FreeBSD.ORG Fri Apr 11 06:48:17 2008 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 838811065670 for ; Fri, 11 Apr 2008 06:48:17 +0000 (UTC) (envelope-from dweber@htw-saarland.de) Received: from theia.rz.uni-saarland.de (theia.rz.uni-saarland.de [134.96.7.31]) by mx1.freebsd.org (Postfix) with ESMTP id 15FD78FC1B for ; Fri, 11 Apr 2008 06:48:16 +0000 (UTC) (envelope-from dweber@htw-saarland.de) Received: from zdve-mailx.htw-saarland.de (zdve-mailx.htw-saarland.de [134.96.208.108]) by theia.rz.uni-saarland.de (8.14.1/8.14.0) with ESMTP id m3B6mFjZ032707; Fri, 11 Apr 2008 08:48:15 +0200 Received: from isl-s-02.htw-saarland.de (isl-s-02.htw-saarland.de [134.96.216.92]) by zdve-mailx.htw-saarland.de (8.13.8/8.13.8) with ESMTP id m3B6mFPe021341; Fri, 11 Apr 2008 08:48:15 +0200 (CEST) Date: Fri, 11 Apr 2008 08:48:10 +0200 (CEST) From: Damian Weber To: freebsd-stable@freebsd.org In-Reply-To: Message-ID: References: <396418019.20080409104542@serebryakov.spb.ru> <5f67a8c40804100944k3984ab8fp95b5d4b22f92dd30@mail.gmail.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Virus-Scanned: ClamAV version 0.92.1, clamav-milter version 0.92.1 on zdve-mailx X-Virus-Status: Clean X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (theia.rz.uni-saarland.de [134.96.7.31]); Fri, 11 Apr 2008 08:48:15 +0200 (CEST) X-AntiVirus: checked by AntiVir MailGate (version: 2.1.2-14; AVE: 7.6.0.84; VDF: 7.0.3.150; host: AntiVir1) Cc: Subject: Re: RELENG_6_3 ping and DUP packets X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 11 Apr 2008 06:48:17 -0000 > From: Chuck Swiger > To: Damian Weber > Cc: freebsd-stable@freebsd.org > Subject: Re: RELENG_6_3 ping and DUP packets > > On Apr 10, 2008, at 1:58 PM, Damian Weber wrote: > > But here is the problem, pinging the machine from remote gives > > > > A.B.C.X$ ping A.B.C.D > > PING A.B.C.D (A.B.C.D): 56 data bytes > > 64 bytes from A.B.C.D: icmp_seq=0 ttl=64 time=0.272 ms > > 64 bytes from A.B.C.D: icmp_seq=0 ttl=255 time=0.391 ms (DUP!) > > Please run "tcpdump -e icmp" on this box and repeat your testing. It > will be most interesting to know whether you're seeing the same MAC > address.... good point, but it's the same A.B.C.X# tcpdump -e icmp tcpdump: listening on rl0, link-type EN10MB 08:41:51.136023 0:20:ed:5f:3:3b 0:19:99:33:7c:9 ip 98: A.B.C.X > A.B.C.D: icmp: echo request 08:41:51.136171 0:19:99:33:7c:9 0:20:ed:5f:3:3b ip 98: A.B.C.D: icmp: echo reply 08:41:51.136343 0:19:99:33:7c:9 0:20:ed:5f:3:3b ip 98: A.B.C.D: icmp: echo reply 08:41:52.138366 0:20:ed:5f:3:3b 0:19:99:33:7c:9 ip 98: A.B.C.X > A.B.C.D: icmp: echo request 08:41:52.138447 0:19:99:33:7c:9 0:20:ed:5f:3:3b ip 98: A.B.C.D: icmp: echo reply 08:41:52.138692 0:19:99:33:7c:9 0:20:ed:5f:3:3b ip 98: A.B.C.D: icmp: echo reply ^C 169 packets received by filter 0 packets dropped by kernel