Re: [v6ops] DHCPv6/SLAAC Interaction Operational Guidance-//RE: new draft: draft-liu-v6ops-dhcpv6-slaac-guidance

Tore Anderson <tore@fud.no> Thu, 09 January 2014 08:10 UTC

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Date: Thu, 09 Jan 2014 09:10:31 +0100
From: Tore Anderson <tore@fud.no>
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To: Mikael Abrahamsson <swmike@swm.pp.se>, Lorenzo Colitti <lorenzo@google.com>
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Cc: draft-liu-v6ops-dhcpv6-slaac-guidance@tools.ietf.org, "v6ops@ietf.org" <v6ops@ietf.org>
Subject: Re: [v6ops] DHCPv6/SLAAC Interaction Operational Guidance-//RE: new draft: draft-liu-v6ops-dhcpv6-slaac-guidance
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* Mikael Abrahamsson

> Prefix Information Option with O=1

This should be L=1 (cf. RFC 4861 section 4.6.2).

The O flag means something completely different, and is in any case not
part of the Prefix Information (definition in RFC 4861 section 4.2).

Other than that I agree with your text. Perhaps the "containing
default-route" could be elaborated on a little bit, though. It might not
be obvious to everyone that an RA doesn't "contain" a default route
option in the same way it does Prefix/Route Information Option.

For example: «Routing can be implemented on hosts by means of accepting
and implementing information from RA messages containing default-route
(i.e., RAs whose Router Lifetime field is nonzero), [...]»

Tore