From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] [IPV6] ROUTE: Make sending algorithm more friendly with RFC 4861. Date: Sat, 19 Jan 2008 00:35:36 -0800 (PST) Message-ID: <20080119.003536.60082707.davem@davemloft.net> References: <20080119.020030.44981470.yoshfuji@linux-ipv6.org> Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-2022-jp Content-Transfer-Encoding: 7bit Cc: mitch@linux.vnet.ibm.com, netdev@vger.kernel.org To: yoshfuji@linux-ipv6.org Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:52033 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751454AbYASIfe (ORCPT ); Sat, 19 Jan 2008 03:35:34 -0500 In-Reply-To: <20080119.020030.44981470.yoshfuji@linux-ipv6.org> Sender: netdev-owner@vger.kernel.org List-ID: From: YOSHIFUJI Hideaki / 吉藤英明 Date: Sat, 19 Jan 2008 02:00:30 +0900 (JST) > We omit (or delay) sending NSes for known-to-unreachable routers > (in NUD_FAILED state) according to RFC 4191 (Default Router Preferences > and More-Specific Routes). > But this is not fully compatible with RFC 4861 (Neighbor Discovery Protocol > for IPv6), which does not remember unreachability of neighbors. > > So, let's avoid mixing sending algorithm of RFC 4191 and that of RFC 4861, > and make the algorithm more friendly with RFC 4861 if RFC 4191 is disabled. > > Issue was found by IPv6 Ready Logo Core Self_Test 1.5.0b2 (by TAHI Project), > and has been tracked down by Mitsuru Chinen . > > Signed-off-by: YOSHIFUJI Hideaki Applied to net-2.6, thanks.