Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932556AbVJUI1M (ORCPT ); Fri, 21 Oct 2005 04:27:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932560AbVJUI1L (ORCPT ); Fri, 21 Oct 2005 04:27:11 -0400 Received: from yue.linux-ipv6.org ([203.178.140.15]:49168 "EHLO yue.st-paulia.net") by vger.kernel.org with ESMTP id S932556AbVJUI1L (ORCPT ); Fri, 21 Oct 2005 04:27:11 -0400 Date: Fri, 21 Oct 2005 17:27:09 +0900 (JST) Message-Id: <20051021.172709.47930126.yoshfuji@linux-ipv6.org> To: yanzheng@21cn.com, davem@davemloft.net Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH]behavior of ip6_route_input() for link local address. From: YOSHIFUJI Hideaki / =?iso-2022-jp?B?GyRCNUhGIzFRTEAbKEI=?= In-Reply-To: <43572256.40101@21cn.com> References: <43572256.40101@21cn.com> Organization: USAGI/WIDE Project X-URL: http://www.yoshifuji.org/%7Ehideaki/ X-Fingerprint: 9022 65EB 1ECF 3AD1 0BDF 80D8 4807 F894 E062 0EEA X-PGP-Key-URL: http://www.yoshifuji.org/%7Ehideaki/hideaki@yoshifuji.org.asc X-Face: "5$Al-.M>NJ%a'@hhZdQm:."qn~PA^gq4o*>iCFToq*bAi#4FRtx}enhuQKz7fNqQz\BYU] $~O_5m-9'}MIs`XGwIEscw;e5b>n"B_?j/AkL~i/MEaZBLP X-Mailer: Mew version 2.2 on Emacs 20.7 / Mule 4.1 (AOI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1151 Lines: 28 Hello. In article <43572256.40101@21cn.com> (at Thu, 20 Oct 2005 12:51:34 +0800), Yan Zheng says: > I find that linux will reply echo request destined to an address which belongs to an interface other than the one from which the request received. > This behavior doesn't make sense for link local address. Acked-by: YOSHIFUJI Hideaki Please note that sender does need to setup neighbor entry by hand to reproduce this bug. (Link-local address on eth1 is not visible on eth0, from the point of view of neighbor discovery in IPv6.) +--------+ +--------+ | sender | | router | +---+----+ +-+----+-+ |eth0 eth0| |eth1 -----+----------------------+- -+-------------- -- YOSHIFUJI Hideaki @ USAGI Project GPG-FP : 9022 65EB 1ECF 3AD1 0BDF 80D8 4807 F894 E062 0EEA - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/