From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yang Yingliang Subject: Re: A problem about ICMP packet-too-big message handler Date: Wed, 28 Jan 2015 18:07:08 +0800 Message-ID: <54C8B4CC.80309@huawei.com> References: <54C78B8D.1070104@huawei.com> <1422434574.4678.21.camel@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: netdev , "David S. Miller" To: Hannes Frederic Sowa Return-path: Received: from szxga02-in.huawei.com ([119.145.14.65]:26648 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754948AbbA1UP1 (ORCPT ); Wed, 28 Jan 2015 15:15:27 -0500 In-Reply-To: <1422434574.4678.21.camel@redhat.com> Sender: netdev-owner@vger.kernel.org List-ID: On 2015/1/28 16:42, Hannes Frederic Sowa wrote: > On Di, 2015-01-27 at 20:58 +0800, Yang Yingliang wrote: >> Hi, >> >> My kernel is 3.10 LTS. >> >> I got a problem here about handling ICMP packet-too-big message. >> >> Before sending a packet-too-big packet : >> >> # ip -6 route list table local >> local ::1 dev lo metric 0 >> local fe80:: dev lo metric 0 >> local fe80:: dev lo metric 0 >> local fe80:: dev lo metric 0 >> local fe80:: dev lo metric 0 >> local fe80:: dev lo metric 0 >> local fe80:: dev lo metric 0 >> local fe80::1 dev lo metric 0 //It does not have expire value > > Did you just add a local route or do you also have a corresponding IPv6 > address bound to loopback? I just set a IPv6 linklocal address and the route was added automatic. I do not add any other route by hand. Regards, Yang