Re: RFC4862 and 64-bit IID (Re: draft-bourbaki-6man-classless-ipv6-00)

Job Snijders <job@ntt.net> Mon, 19 June 2017 16:49 UTC

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Date: Mon, 19 Jun 2017 18:45:12 +0200
From: Job Snijders <job@ntt.net>
To: Erik Kline <ek@google.com>
Cc: JINMEI Tatuya / 神明達哉 <jinmei@wide.ad.jp>, 6man WG <ipv6@ietf.org>
Subject: Re: RFC4862 and 64-bit IID (Re: draft-bourbaki-6man-classless-ipv6-00)
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On Tue, Jun 20, 2017 at 01:26:24AM +0900, Erik Kline wrote:
> > I'd also note once again that this discussion has nothing to do with
> > the fact that we can perform 'ifconfig en0 2001:db8::1/120'.  This
> > operation configures a 128-bit IPv6 address with 120-bit on-link
> > prefix.  On-link prefixes have always been variable, and they have
> > nothing to do with IID length or SLAAC.  We don't have to update
> > addr-arch or RFC4862 because of this.  (draft-bourbaki-6man-
> > classless-ipv6-00 seems to be confused on this point, and I suspect
> > it increases the confusion and controversy in this whole thread).
> 
> Agreed.

Is there a document that states that IPv6 routers and hosts must support
on-link prefixes of all sizes? 

Kind regards,

Job