On Mon, 04 May 2009 21:29:29 CDT, Jack Bates said: > Ricky Beam wrote: > > If I'm allowed to subnet my single /64, then I'm still not using NAT. > > And as long as I don't go beyond /80, autoconfig can still work, at > > least on ethernet -- which is pretty much 99.999% of cases. (not that I > > advocate the use of autoconfig. *grin*) > > Sorry, Ricky. But that won't work. EUI-64 is required for autoconfig, > and it expands the 48 bits to 64 bits by inserting FFFF or FFFE > depending on if the original is a MAC-48 or EUI-48 identifier.
I think Ricky's point is that he could do autoconfig in a /80 as long as there isn't the semi-gratuitous MAC-48->EUI-64 expansion.
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