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Re: Linux & draft-gont-6man-slaac-dns-config-issues

Fernando Gont <fgont@si6networks.com> Wed, 25 March 2015 17:56 UTC

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Date: Wed, 25 Mar 2015 12:42:23 -0500
From: Fernando Gont <fgont@si6networks.com>
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To: Lorenzo Colitti <lorenzo@google.com>
Subject: Re: Linux & draft-gont-6man-slaac-dns-config-issues
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On 03/24/2015 11:00 PM, Lorenzo Colitti wrote:
> On Tue, Mar 24, 2015 at 6:12 PM, Fernando Gont <fgont@si6networks.com
> <mailto:fgont@si6networks.com>> wrote:
> 
>     It is not a network misconfiguration. It's a bug in the spec. And until
>     the spec is updated and the routers are updated accordingly, the only
>     thing for a client to do is to sanitize the Lifetime value to a more
>     sane value. -- that's what Linux is doing.
> 
> 
> I agree there's a bug. Instead of hacking around it in the client, I'd
> prefer to update 6106 and fix it in the spec.

Agreed. The question here is that if we just modify the router behavior,
in scenarios where routers employ a (too) small Lifetime value, you'd
still hit the problem. (I guess the client side hack would be quicker to
kick in).



> FWIW, I don't know who obeys that guidance. 

I will check with Pavel and report back.

Thanks,
-- 
Fernando Gont
SI6 Networks
e-mail: fgont@si6networks.com
PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492

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