Date:        Mon, 18 Feb 2002 16:54:25 +0100 (CET)
    From:        Wojciech Puchar <wojtek@chylonia.3miasto.net>
    Message-ID:  <Pine.NEB.4.33.0202181650150.2072-100000@chylonia.3miasto.net>

  | does it mean that i MUST do /64 subnet for every ethernet segment or it
  | won't work?

Autoconfiguration won't work, but you should be able to manually
configure addresses, and use (almost) any prefix length you like.

  | i'm sure i can get only /64 not /48 address space so it's important

There are people who will tell you that that is a broken address allocation
and you should get more than that if you need to subnet (at least /60 or
something, if not a /64).   And that implementations aren't really required
to support longer than /64 prefix for a subnet.  If you find anything
(except auto-config) that doesn't support longer prefixes, report it, it
is a bug.

kre