From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Bieringer Subject: Re: Bug in order of multiple IPv6 addresses per interface? Newest added one is preferred in difference to IPv4 Date: Mon, 21 Aug 2006 12:00:09 +0200 Message-ID: <44E98429.9030607@bieringer.de> References: <20060821185610.07dce833.ipng@69706e6720323030352d30312d31340a.nosense.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Mark Smith , usagi-users@linux-ipv6.org Return-path: Received: from pog.aerasec.de ([195.226.187.54]:29317 "EHLO smtp4.aerasec.de") by vger.kernel.org with ESMTP id S1751831AbWHUKAV (ORCPT ); Mon, 21 Aug 2006 06:00:21 -0400 To: netdev@vger.kernel.org In-Reply-To: <20060821185610.07dce833.ipng@69706e6720323030352d30312d31340a.nosense.org> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Mark Smith schrieb: > Hi, > > Sorry not to preserve the list/thread ID, I read the list via nntp/gmane, so please also CC' me directly for replies. > >> # ip -6 addr show dev eth0 |grep -w inet6 |grep -w global > inet6 2001:db8:0:1::253/64 scope global <- #2 !!!! > inet6 2001:db8:0:1::11/64 scope global <- #1 > >> So the last added on is now the first in list. Also, it gets no >> "secondary" flag and "ip" doesn't even support this flag. > >> And the worse thing is that the first one in list (= last added one) is >> now used as default for outgoing connections. Can be easily tested using >> "ping6". > > >> Is this a bug (I hope so) or a (undocumented?) feature? > > Could it be because the new address as a newer and therefore longer > preferred and valid lifetimes, and therefore becomes a more preferred > IPv6 source address to use for new connections ? Hmm, both addresses have: valid_lft forever preferred_lft forever Peter -- Dr. Peter Bieringer http://www.bieringer.de/pb/ GPG/PGP Key 0x958F422D mailto:pb@bieringer.de Deep Space 6 Co-Founder and Core Member http://www.deepspace6.net/ OpenBC http://www.openbc.com/hp/Peter_Bieringer/ Personal invitation to OpenBC http://www.openbc.com/go/invita/3889