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[6bone] semi-newbie Q on IPv6 address planning



On Thu, 1 Aug 2002, Robert Elz wrote:

>     Date:        Wed, 31 Jul 2002 08:00:10 -0700
>     From:        "Michel Py" <[email protected]>
>     Message-ID:  <[email protected]ramento.ca.us>
>
>   | > And what is a /126 allocation for a point-to-point link?
>   |
>   | Not good, it violates RFC2373.
>
> which is totally harmless.
>
>   | You should use a /64 for point-to-point links.
>
> That is an option.
>
>   | It is typical to allocate a /48 for your ptp links.
>
> If you have a /32 (or similar), that's nice (and I appreciate that was the
> context of the question).   But most users will have just one /48, allocating
> that to p2p links would be a bit drastic...
>
> Personally, I use /112's for p2p links.   Works just fine.  Scales wonderfully.

For us, assigning on nibble boundaries for multiple-subnet sites scales
much better too than the one-size-fits-all /48.