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Date:      Mon, 06 Mar 2000 09:22:45 -0800
From:      Bob Fink <fink@es.net>
To:        "Eugene M. Kim" <ab@astralblue.com>, Bill Fenner <fenner@research.att.com>
Cc:        jose@we.lc.ehu.es, FreeBSD-current Mailing List <current@FreeBSD.ORG>, 6bone@ISI.EDU
Subject:   Re: IPv6: can a link-site (or global) address be configured in rc.conf?
Message-ID:  <4.2.2.20000306091731.02b974d8@imap2.es.net>
In-Reply-To: <Pine.BSF.4.20.0003060855230.52983-100000@home.astralblue.c om>
References:  <200003061628.IAA19733@windsor.research.att.com>

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Eugene,

At 09:00 AM 3/6/2000 -0800, Eugene M. Kim wrote:
>(Cc'ed to the 6BONE mailing list in the hope that someone there could
>answer my question as well)
>
>Speaking of the address allocation, is there a way for an individual to
>get a non-local address space (so that all of my machines can get an
>unique IPv6 address)?  I've read through the 6BONE website, and it seems
>to me that I somehow have to `qualify' in order to get one.  (And the
>fact that I just need <10 addresses makes me feel guilty; AFAIK the
>minimum allocation unit is 2^64-address block :-p.)

IPv6 "sites" own the right-most 80 bits of the 128 bits for local use (you 
know that, just restating for the wide list you have emailed to).

The external routing prefixes are the left-most 48 bits of the 128 and come 
from your IPv6 service provider... normally. These are currently either in 
the 3FFE::/16 or 2001::/16 TLA space.

The exception is for "6to4" prefixes which are in the 2002::/16 TLA space. 
See the I-D:

<http://www.ietf.org/internet-drafts/draft-ietf-ngtrans-6to4-03.txt>;

Please read, then ask any questions you may have. 6to4 is currently 
supported, and there are relay routers up and running.


Thanks,

Bob



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