From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicolas Dichtel Subject: Re: [PATCH] net: ipv6: Make address flushing on ifdown optional - v3 Date: Thu, 12 Feb 2015 17:57:36 +0100 Message-ID: <54DCDB80.9090601@6wind.com> References: <1423715261-53131-1-git-send-email-dsahern@gmail.com> 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: Hannes Frederic Sowa To: David Ahern , netdev@vger.kernel.org Return-path: Received: from mail-wi0-f178.google.com ([209.85.212.178]:36660 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750935AbbBLQ5j (ORCPT ); Thu, 12 Feb 2015 11:57:39 -0500 Received: by mail-wi0-f178.google.com with SMTP id em10so5895459wid.5 for ; Thu, 12 Feb 2015 08:57:38 -0800 (PST) In-Reply-To: <1423715261-53131-1-git-send-email-dsahern@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: Le 12/02/2015 05:27, David Ahern a =C3=A9crit : > Currently, all ipv6 addresses are flushed when the interface is confi= gured > down, even static address: > [snip] > > [root@f20 ~]# echo 0 > /proc/sys/net/ipv6/conf/eth1/flush_addr_on_dow= n > [root@f20 ~]# ip -6 addr add dev eth1 2000:11:1:1::1/64 > [root@f20 ~]# ip addr show dev eth1 > 3: eth1: mtu 1500 qdisc pfifo_fast state DOWN g= roup default qlen 1000 > link/ether 02:04:11:22:33:01 brd ff:ff:ff:ff:ff:ff > inet6 2000:11:1:1::1/64 scope global tentative > valid_lft forever preferred_lft forever > [root@f20 ~]# ip link set dev eth1 up > [root@f20 ~]# ip link set dev eth1 down > [root@f20 ~]# ip addr show dev eth1 > 3: eth1: mtu 1500 qdisc pfifo_fast state DOWN g= roup default qlen 1000 > link/ether 02:04:11:22:33:01 brd ff:ff:ff:ff:ff:ff > inet6 2000:11:1:1::1/64 scope global > valid_lft forever preferred_lft forever > inet6 fe80::4:11ff:fe22:3301/64 scope link > valid_lft forever preferred_lft forever Can you show an output of 'ip -6 route list table local' and 'ip -6 rou= te' ?