[116808] in North American Network Operators' Group
Re: IPv6 Addressing Help
daemon@ATHENA.MIT.EDU (Jack Bates)
Thu Aug 20 01:07:02 2009
Date: Thu, 20 Aug 2009 00:04:33 -0500
From: Jack Bates <jbates@brightok.net>
To: nanog list <nanog@nanog.org>
In-Reply-To: <9BB3CF9F-3E38-4C4C-850B-44129F073C23@daork.net>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Nathan Ward wrote:
> /48s seem flexible enough to me, but perhaps you want to use this
> technique with /44s or /40s, or something.
Given my unusual network consisting of a dozen different telco's, I
actually assign each a /40 at a time, then /44-48 in each of their pops
depending on expected growth. I probably could have possibly gone with
/36, but then I limit my own allocations to them and I'd like to hope I
get more telco's in the future. I do sparse allocation on the /40's to
allow smaller routing tables if desired, though. Even for things that
don't need nibble boundaries for technical reasons, I usually maintain
them for ease of management and scripting.
Jack
