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Re: [v6ops] M/O flags and PD

Sander Steffann <sander@steffann.nl> Fri, 30 October 2015 15:24 UTC

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From: Sander Steffann <sander@steffann.nl>
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Date: Fri, 30 Oct 2015 16:24:38 +0100
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References: <20151019195001.22760.2580.idtracker@ietfa.amsl.com> <5AB28826-8E45-461F-AA7B-5D45F218FC18@cisco.com> <20151028113851.530c649d@echo.ms.redpill-linpro.com> <CAJE_bqd1263SaqU61sqqk_4Tne1GzE4_kMUhuLMgY42Cyc6m_A@mail.gmail.com> <5631232E.4020701@gmail.com> <20151029203951.06a4d4fd@envy.fud.no> <39B7C63D-A31A-4F3D-8487-5A9FF917F939@employees.org> <20151030075849.5ad90ed6@echo.ms.redpill-linpro.com> <20151030073854.GZ70452@Space.Net> <20151030091055.2b050875@echo.ms.redpill-linpro.com>
To: Tore Anderson <tore@fud.no>
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Cc: "v6ops@ietf.org" <v6ops@ietf.org>, jinmei@wide.ad.jp
Subject: Re: [v6ops] M/O flags and PD
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Hi Tore,

Op 30 okt. 2015, om 09:10 heeft Tore Anderson <tore@fud.no> het volgende geschreven:
> * Gert Doering <gert@space.net>
> 
>> I do not have RFCs to counter that, but my interpretation is a bit
>> different.  I see that section of 4861 as traditionally applied to 
>> *hosts*, while IA_PD traditionally is a *router* function, so out of 
>> scope for the "host part" of 4861.
> 
> Section 4.2 of RFC 4861 simply describes the RA message format, it's
> not in a "host part" of the RFC as far as I can tell. Keep in mind that
> RAs are typically multicast to all IPv6 nodes, so the originating router
> does not know whether it is a host or a router (or both, or none) that
> will be receiving the RA.

I always understood this bit from RFC 3633 to mean that any host configuration flags (such as M/O) are not relevant to DHCPv6-PD: "Note that this use of DHCP is not bound to the assignment of IP addresses or other configuration information to hosts".

Cheers,
Sander

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