netdev - Re: fe80::/64 route missing on GRE tunnels

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Message-ID: <5301DD8A.10808@6wind.com>
Date:	Mon, 17 Feb 2014 10:59:38 +0100
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	netdev@...r.kernel.org, itk-intern@...fundet.no,
	Hannes Frederic Sowa <hannes@...essinduktion.org>
Subject: Re: fe80::/64 route missing on GRE tunnels

Le 17/02/2014 10:45, Steinar H. Gunderson a écrit :
> On Mon, Feb 17, 2014 at 10:37:07AM +0100, Nicolas Dichtel wrote:
>> I'm not sure to understand the problem. In the case described above, there is no
>> fe80::/64 route because there is no link local address.
>> What source address will be used to communicate over this gre interface?
>
> It is added (ip -6 addr add fe80::1 dev foo), but it doesn't help without the
> /64 being present.

With 'ip -6 addr add fe80::1/64 dev foo', the link local route will be added.
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