All Subnets must be /64, all hosts must use EUI-64? (According to RFC3513)

[bmanning at vacation.karoshi.com]

On Tue, Jun 02, 2009 at 09:18:57PM +0200, Mikael Abrahamsson wrote:
> On Tue, 2 Jun 2009, Erik Kline wrote:
> 
> >Also: 3513 was obsoleted by http://tools.ietf.org/html/rfc4291 (one 
> >reason I prefer the tools.ietf.org links).
> 
> >From 2.5.4 in RFC4291:
> 
> "All Global Unicast addresses other than those that start with binary
>    000 have a 64-bit interface ID field (i.e., n + m = 64), formatted as
>    described in Section 2.5.1.  Global Unicast addresses that start with
>    binary 000 have no such constraint on the size or structure of the
>    interface ID field."
> 
> This still seems to imply that you really have to have a 64bit interface 
> ID field in there, formatted per 2.5.1. So how does /126 fit into that?
> 
> -- 
> Mikael Abrahamsson    email: swmike at swm.pp.se

	kind of points out that the folks who did the RFC's lost touch
	with operational reality some time ago.


--bill