IPv6 fc00::/7 — Unique local addresses

Fri Oct 22 04:52:08 UTC 2010

On Thu, 2010-10-21 at 21:05 -0500, Jack Bates wrote:
> On 10/21/2010 8:39 PM, Ray Soucy wrote:
> >
> > How so? We still have RA (with a high priority) that's the only way
> > DHCPv6 works.  I guess there is a lot of misunderstanding about how
> > DHCPv6 works, even among the experts...
> 
> Actually, the last I checked, there are implementation of DHCPv6 without RA.

I'll go out on a limb here and say that RA is not needed for DHCPv6.

A DHCPv6 client multicasts all its messages to the well-known
all-relays-and-servers address. A client needs only its link-local
address to do this. The relay (or server if it happens to be on the same
link) can thus talk to the client in the complete absence of RA.

Regards, K.

-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Karl Auer (kauer at biplane.com.au)                   +61-2-64957160 (h)
http://www.biplane.com.au/kauer/                   +61-428-957160 (mob)

GPG fingerprint: B386 7819 B227 2961 8301 C5A9 2EBC 754B CD97 0156
Old fingerprint: 07F3 1DF9 9D45 8BCD 7DD5 00CE 4A44 6A03 F43A 7DEF
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