[112002] in North American Network Operators' Group
Re: IPv6 Confusion
daemon@ATHENA.MIT.EDU (David Freedman)
Wed Feb 18 09:05:55 2009
To: nanog@nanog.org
From: David Freedman <david.freedman@uk.clara.net>
Date: Wed, 18 Feb 2009 14:05:19 +0000
X-Complaints-To: usenet@ger.gmane.org
In-Reply-To: <4838CFAB-F38B-4696-A7C2-1A6C002A7189@delong.com>
Errors-To: nanog-bounces@nanog.org
>
> It's a 128 bit address. Routing is done on VLSM, but, generally for DNS
> purposes, these
> are expected to be at least on nibble boundaries.
>
> There is an intent to support what is known as EUI-64, which means every
> subnet should
> be a /64, however, there are people who number smaller subnets and that
> is supposed
> to work, but, it will break certain IPv6 things like stateless
> autoconfiguration (which is
> optional).
We are one of these people who opted to use smaller subnet sizes
for point-to-point networks (i.e router transfer nets),
If you are interested in what we did and want to see some examples of
what other people are doing check out a presentation that I gave some
time ago about our deployment
http://www.convergence.cx/ipv6clara.ppt
(apologies for the lack of PDF)
Slides 2-15
Dave.
