From mboxrd@z Thu Jan 1 00:00:00 1970 From: YOSHIFUJI Hideaki / =?iso-2022-jp?B?GyRCNUhGIzFRTEAbKEI=?= Subject: Re: [PATCH]behavior of ip6_route_input() for link local address. Date: Fri, 21 Oct 2005 17:27:09 +0900 (JST) Message-ID: <20051021.172709.47930126.yoshfuji@linux-ipv6.org> References: <43572256.40101@21cn.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org Return-path: To: yanzheng@21cn.com, davem@davemloft.net In-Reply-To: <43572256.40101@21cn.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org 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