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Message-Id: <20080522014959.0f6191aa.akpm@linux-foundation.org> Date: Thu, 22 May 2008 01:49:59 -0700 From: Andrew Morton <akpm@...ux-foundation.org> To: Matthias Cramer <matthias.cramer@...erway.ch> Cc: linux-kernel <linux-kernel@...r.kernel.org>, netdev@...r.kernel.org Subject: Re: Wired behaviour with IPv6 over PPP On Wed, 21 May 2008 14:56:43 +0200 Matthias Cramer <matthias.cramer@...erway.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. > > 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. > > Is this a known behaviour ? > > Or am I doing something the wrong way ? > > Kernel version is 2.6.25 > (cc netdev) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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