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From: James Chapman <jchapman@katalix.com>
To: Matthias Cramer <matthias.cramer@interway.ch>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	netdev@vger.kernel.org
Subject: Re: Wired behaviour with IPv6 over PPP
Date: Thu, 22 May 2008 10:55:36 +0100	[thread overview]
Message-ID: <48354318.60202@katalix.com> (raw)
In-Reply-To: <20080522014959.0f6191aa.akpm@linux-foundation.org>

Andrew Morton wrote:
> On Wed, 21 May 2008 14:56:43 +0200 Matthias Cramer <matthias.cramer@interway.ch> 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


  reply	other threads:[~2008-05-22  9:56 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-21 12:56 Wired behaviour with IPv6 over PPP Matthias Cramer
2008-05-22  8:49 ` Andrew Morton
2008-05-22  9:55   ` James Chapman [this message]
2008-05-22 19:05     ` Matthias Cramer
2008-05-23 10:46       ` James Chapman
2008-05-23 19:50         ` Matthias Cramer
2008-05-23 21:34           ` James Chapman
2008-05-24  4:29       ` Willy Tarreau
2008-05-28  9:59         ` Pascal Hambourg
2008-05-28 12:45           ` Willy Tarreau

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