IPv6 prefix lengths
nenolod at systeminplace.net
Wed Jan 12 22:39:47 CST 2011
On Wed, 12 Jan 2011 22:49:15 -0500
Richard Barnes <richard.barnes at gmail.com> 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 , it looks
> like this is not too common (only .29% of prefixes). Thoughts?
Traditionally, /48s are per-site. You should get a /48 for each site,
in reality something like a /44 will do nicely giving you two
additional /48 for growth.
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