[c-nsp] ipv6 subnetting

[Good One]

thanks gert, much appreciated. was looking for a quick idea how to go on.. now i know :)

> Date: Fri, 12 Nov 2010 12:40:16 +0100
> From: gert at greenie.muc.de
> To: good1 at live.com
> CC: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] ipv6 subnetting
> 
> Hi,
> 
> On Fri, Nov 12, 2010 at 04:29:49PM +0500, Good One wrote:
> > just a quick one.. if you have a supernet of ipv6 like 2504:7000/32, and you want to slice it /64
> > what is the easiest way to do that. 
> 
> Patience :-) - takes a while for 4 billion /64 to be sliced up.
> 
> Seriously: this very much depends on your network structure.  I'd start
> by chopping the /32 to /40s or /44 or something similarily big, and
> allocate one of these to each of your major network locations - like
> "per country" or "per city" or whatever aggregation points exist.
> 
> Then repeat - chop the /40 to /48, to allocate one each DSLAM / BRAS (etc).
> 
> Then repeat - chop the /48-on-BRAS to one-/64-per-customer (or one /56).
> 
> 
> Most important: follow the aggregation points in your network, and do strong
> and multi-level aggregation.  You do not want to have 4 billion /64 in your 
> internal routing.
> 
> (Oh, and configure your e-mail client right)
> 
> gert
> -- 
> USENET is *not* the non-clickable part of WWW!
>                                                            //www.muc.de/~gert/
> Gert Doering - Munich, Germany                             gert at greenie.muc.de
> fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de