From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicolas Dichtel Subject: Re: why are IPv6 addresses removed on link down Date: Tue, 13 Jan 2015 18:05:19 +0100 Message-ID: <54B5504F.2020200@6wind.com> References: <54B4A7E4.7030301@gmail.com> <20150112231021.316648e3@urahara> <1421145346.13626.12.camel@redhat.com> <54B50873.4090907@miraclelinux.com> <54B50C71.7090007@miraclelinux.com> <1421152613.13626.24.camel@redhat.com> <54B53187.7080306@gmail.com> <1421161230.13626.30.camel@stressinduktion.org> Reply-To: nicolas.dichtel@6wind.com Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: YOSHIFUJI Hideaki , Stephen Hemminger , "netdev@vger.kernel.org" To: Hannes Frederic Sowa , David Ahern Return-path: Received: from mail-lb0-f172.google.com ([209.85.217.172]:51883 "EHLO mail-lb0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751253AbbAMRFX (ORCPT ); Tue, 13 Jan 2015 12:05:23 -0500 Received: by mail-lb0-f172.google.com with SMTP id z12so3678459lbi.3 for ; Tue, 13 Jan 2015 09:05:21 -0800 (PST) In-Reply-To: <1421161230.13626.30.camel@stressinduktion.org> Sender: netdev-owner@vger.kernel.org List-ID: Le 13/01/2015 16:00, Hannes Frederic Sowa a =C3=A9crit : [snip] > > This was already discussed several times here, e.g. one patch I just > found: > > http://lists.openwall.net/netdev/2011/01/24/8 > and > http://patchwork.ozlabs.org/patch/17558/ > > Albeit I hate sysctls for things like this, it might I tend to find i= t > acceptable because it solves a problem which happened to lots of peop= le. > And I don't like the current behavior neither. > > I think this can work, but we should follow up all the old discussion= s > to not introduce any kind of new undesired behavior this time. If I remember well, one of the problem was that it was not possible any= more to unload the IPv6 module after the patches. But since commit 8ce440610357= ("ipv6: do not allow ipv6 module to be removed"), it's not possible anymore.