From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hannes Frederic Sowa Subject: Re: Who/What is supposed to remove IPv6 address from interface when moving from one network to another ? Date: Mon, 18 Mar 2013 19:34:07 +0100 Message-ID: <20130318183407.GA2740@order.stressinduktion.org> References: <1363290495.1643.29.camel@dcbw.foobar.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Cc: Dan Williams , Sylvain Munaut , "netdev@vger.kernel.org" To: Lorenzo Colitti Return-path: Received: from order.stressinduktion.org ([87.106.68.36]:42566 "EHLO order.stressinduktion.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752561Ab3CRSeJ (ORCPT ); Mon, 18 Mar 2013 14:34:09 -0400 Content-Disposition: inline In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: On Mon, Mar 18, 2013 at 09:51:55AM -0700, Lorenzo Colitti wrote: > On Thu, Mar 14, 2013 at 12:48 PM, Dan Williams wrote: > > The kernel does not (and shouldn't) trigger anything on carrier change as that's a > > site-specific/user-specific policy. > > Actually, it *does* trigger events on carrier change: it creates the > addresses when you connect. It just doesn't delete them when you > disconnect. So you can get addresses without a userspace daemon, but > you can never delete them without a userspace daemon. Not directly related, but I wonder if we should treat the change of the mac address as a carrier change in ipv6 to create a new ll address. I did not find any satisfying answer yet.