IPv6 prefix lengths

Thu Jan 13 04:31:17 UTC 2011

If you have to route them separately, your best bet is to go back to ARIN
under the Multiple Discreet Networks policy and get a block of /48s.

Tastes great, fewer problems.

Owen

On Jan 12, 2011, at 7:49 PM, Richard Barnes wrote:

> Hi all,
> 
> What IPv6 prefix lengths are people accepting in BGP from
> peers/customers?  My employer just got a /48 allocation from ARIN, and
> we're trying to figure out how to support multiple end sites out of
> this (probably around 10).  I was thinking about assigning a /56 per
> site, but looking at the BGP table stats on potaroo.net [1], it looks
> like this is not too common (only .29% of prefixes).  Thoughts?
> 
> Thanks,
> --Richard
> 
> 
> [1] <http://bgp.potaroo.net/v6/as2.0/index.html>