[136471] in North American Network Operators' Group
Re: Using IPv6 with prefixes shorter than a /64 on a LAN
daemon@ATHENA.MIT.EDU (sthaug@nethelp.no)
Thu Feb 3 10:20:44 2011
Date: Thu, 03 Feb 2011 16:02:18 +0100 (CET)
To: fweimer@bfk.de
From: sthaug@nethelp.no
In-Reply-To: <82fws5nukc.fsf@mid.bfk.de>
Cc: nanog@nanog.org, carlos@lacnic.net
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
> > The subject says it all... anyone with experience with a setup like
> > this ?
>
> Unicast addresses must be located in at least a /64 subnet. No doubt
> there are vendors which enforce this (perhaps even in the ASICs), so
> deviating from this rule will result in some lock-in.
The Juniper and Cisco equipment I have worked with can handle static LAN
addresses with a mask different from /64 just fine. Same with OSes like
FreeBSD, for instance.
SLAAC obviously won't work.
Steinar Haug, Nethelp consulting, sthaug@nethelp.no
