[146948] in North American Network Operators' Group
Re: IPv6 prefixes longer then /64: are they possible in DOCSIS
daemon@ATHENA.MIT.EDU (Florian Weimer)
Tue Nov 29 03:10:47 2011
From: Florian Weimer <fweimer@bfk.de>
To: Dmitry Cherkasov <doctorchd@gmail.com>
Date: Tue, 29 Nov 2011 08:09:47 +0000
In-Reply-To: <CAP5kh1De2HMh1bdEF8-OvbD22nLHwPazPKKeyYqP_DsroZ=iBA@mail.gmail.com>
(Dmitry Cherkasov's message of "Mon, 28 Nov 2011 13:37:16 +0200")
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
* Dmitry Cherkasov:
> It is commonly agreed that /64 is maximal length for LANs because if
> we use longer prefix we introduce conflict with stateless address
> autoconfiguration (SLAAC) based on EUI-64 spec. But SLAAC is not used
> in DOCSIS networks. So there seems to be no objections to use smaller
> networks per cable interfaces of CMTS.
As far as I understan the IPv6 address architecture, if the network
prefix is longer than /64, you're not running Unicast IPv6.
--=20
Florian Weimer <fweimer@bfk.de>
BFK edv-consulting GmbH http://www.bfk.de/
Kriegsstra=DFe 100 tel: +49-721-96201-1
D-76133 Karlsruhe fax: +49-721-96201-99
