using IPv6 address block across multiple locations
owen at delong.com
Mon Oct 31 12:59:31 UTC 2011
Ideally, you should put a /48 at each location.
On Oct 31, 2011, at 12:56 AM, Dmitry Cherkasov wrote:
> Please advice what is the best practice to use IPv6 address block
> across distributed locations.
> Recently we obtained our PI /48 from RIPE. The idea was to assign
> partial slices from this block to different locations (we have
> currently 3 offices in Europe and 2 in USA). All locations are
> interconnected with static VPNs. Each location is supposed to
> establish BGP session with local ISP. Partial prefix /56 + aggregate
> /48 (with long AS PATH) are to be announced by each office.
> The problem we ran across is that ISP in US does not wish to accept
> prefixes longer then /48 from us.
> Need your advice: is this normal to distribute /48 by /56 parts across
> locations or should we obtain separate /48 for each of them? Or maybe
> we need /32 that can be split into multiple /48? Anyway we are not ISP
> so /48 looks quite reasonable and sufficient for all our needs.
> Thank you.
> Dmitry Cherkasov
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