From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] ipv6: addrconf: clear IPv6 addresses and routes when losing link Date: Wed, 27 Oct 2010 08:51:15 -0700 (PDT) Message-ID: <20101027.085115.104074771.davem@davemloft.net> References: <20101026.112321.258116003.davem@davemloft.net> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: brian.haley@hp.com, shemminger@vyatta.com, netdev@vger.kernel.org To: lorenzo@google.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:46929 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754748Ab0J0Puw (ORCPT ); Wed, 27 Oct 2010 11:50:52 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: From: Lorenzo Colitti Date: Tue, 26 Oct 2010 15:53:50 -0700 > As the patch stands, they don't. Only autoconfigured addresses will be > cleared, because addrconf_ifdown() does not remove any addresses that > are permanent (unless they are link-local, in which case they are > recreated as soon as link comes back). Ok, and that brings us back to the issue of losing a TCP connection over a link-local et al. address during a minor link flap. I think some financial services people will really dislike that behavior :)