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Using IPv6 with prefixes shorter than a /64 on a LAN



> > The subject says it all... anyone with experience with a setup like
> > this ?
> 
> Unicast addresses must be located in at least a /64 subnet.  No doubt
> there are vendors which enforce this (perhaps even in the ASICs), so
> deviating from this rule will result in some lock-in.

The Juniper and Cisco equipment I have worked with can handle static LAN
addresses with a mask different from /64 just fine. Same with OSes like
FreeBSD, for instance.

SLAAC obviously won't work.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no