From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] make TLLAO option for NA packets configurable Date: Wed, 07 Oct 2009 01:29:46 -0700 (PDT) Message-ID: <20091007.012946.80230952.davem@davemloft.net> References: <200910020119.47320.opurdila@ixiacom.com> <20091002105351.0fbde9c2@nehalam> <200910030039.15952.opurdila@ixiacom.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: shemminger@vyatta.com, cratiu@ixiacom.com, netdev@vger.kernel.org To: opurdila@ixiacom.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:46098 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933695AbZJGI3u (ORCPT ); Wed, 7 Oct 2009 04:29:50 -0400 In-Reply-To: <200910030039.15952.opurdila@ixiacom.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Octavian Purdila Date: Sat, 3 Oct 2009 00:39:15 +0300 > Subject: [PATCH] ipv6: new sysctl for sending TLLAO with unicast NAs > > Neighbor advertisements responding to unicast neighbor solicitations > did not include the target link-layer address option. This patch adds > a new sysctl option (disabled by default) which controls whether this > option should be sent even with unicast NAs. > > The need for this arose because certain routers expect the TLLAO in > some situations even as a response to unicast NS packets. > > Moreover, RFC 2461 recommends sending this to avoid a race condition > (section 4.4, Target link-layer address) > > Signed-off-by: Cosmin Ratiu > Signed-off-by: Octavian Purdila Applied, thanks!