From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934560AbYEVJ4R (ORCPT ); Thu, 22 May 2008 05:56:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1765562AbYEVJzw (ORCPT ); Thu, 22 May 2008 05:55:52 -0400 Received: from s36.avahost.net ([74.53.95.194]:38553 "EHLO s36.avahost.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754489AbYEVJzv (ORCPT ); Thu, 22 May 2008 05:55:51 -0400 Message-ID: <48354318.60202@katalix.com> Date: Thu, 22 May 2008 10:55:36 +0100 From: James Chapman Organization: Katalix Systems Ltd User-Agent: Thunderbird 2.0.0.14 (Windows/20080421) MIME-Version: 1.0 To: Matthias Cramer CC: Andrew Morton , linux-kernel , netdev@vger.kernel.org Subject: Re: Wired behaviour with IPv6 over PPP References: <48341C0B.7010003@interway.ch> <20080522014959.0f6191aa.akpm@linux-foundation.org> In-Reply-To: <20080522014959.0f6191aa.akpm@linux-foundation.org> X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - s36.avahost.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - katalix.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Andrew Morton wrote: > On Wed, 21 May 2008 14:56:43 +0200 Matthias Cramer wrote: > >> Hi All >> >> I have a very wired behaviour when doing IPv6 over PPPoE. >> >> The situation: >> >> A linux box connected to a DSL Modem, on the other side is a Cisco LNS which terminates the PPP session (actually L2TP). >> I have control over both ends. >> >> When I have net.ipv6.conf.all.forwarding set to 0 then the ppp Interface gets a IPv6 address from the Cisco via IP6CP. >> When I have net.ipv6.conf.all.forwarding set to 1 them the ppp Interface does not get an address, it has only a normal link local address. What do you mean by normal link local address? >> When I start the ppp session with forwarding set to 0 I can ping out and there exists a default route to ppp0 , then I switch forwarding to 1 >> the default route disappears and therefore routing does not work any longer. Did this work with previous kernel versions? Does pppd log any errors? >> >> Is this a known behaviour ? >> >> Or am I doing something the wrong way ? >> >> Kernel version is 2.6.25 -- James Chapman Katalix Systems Ltd http://www.katalix.com Catalysts for your Embedded Linux software development