From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next v2] ipv6 addrconf: Implemented enhanced DAD (RFC7527) Date: Wed, 30 Nov 2016 10:58:06 -0500 (EST) Message-ID: <20161130.105806.461585801662945197.davem@davemloft.net> References: <20161128060811.1E49FD341C60@us153.sjc.aristanetworks.com> <4936dca6-c55d-809e-a032-f78e23ce6b49@arista.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: kuznet@ms2.inr.ac.ru, jmorris@namei.org, yoshfuji@linux-ipv6.org, kaber@trash.net, netdev@vger.kernel.org, gilligan@arista.com, hannes@stressinduktion.org To: nordmark@arista.com Return-path: Received: from shards.monkeyblade.net ([184.105.139.130]:34206 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751038AbcK3P6K (ORCPT ); Wed, 30 Nov 2016 10:58:10 -0500 In-Reply-To: <4936dca6-c55d-809e-a032-f78e23ce6b49@arista.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Erik Nordmark Date: Mon, 28 Nov 2016 15:26:05 -0800 > Implemented RFC7527 Enhanced DAD. > IPv6 duplicate address detection can fail if there is some temporary > loopback of Ethernet frames. RFC7527 solves this by including a random > nonce in the NS messages used for DAD, and if an NS is received with > the > same nonce it is assumed to be a looped back DAD probe and is ignored. > RFC7527 is enabled by default. Can be disabled by setting both of > conf/{all,interface}/enhanced_dad to zero. > > Signed-off-by: Erik Nordmark > Signed-off-by: Bob Gilligan" > --- > > v2: renamed sysctl and made it default to true, plus minor code review > fixes This doesn't apply to net-next, please respin. Also, please format your signoffs correctly, there must be a space between your name and the <> enclosed email address. I always wonder why people elide spaces when formatting text, is there a global shortage of space characters that I am unaware of?