I don't think this is possible without deleting and re-creating the
subnet, but here goes.

I've got a DHCP server on NW 6.5 SP6
The subnet is defined already and is set for like 7-day lease time.

However, I have a specific MAC that I NEED to give a permanent lease.

I don't see the ability to edit the IP (all the options are grayed out,
so you can't click the pulldown to tell it permanent), and the only spot
I DO see that is on the entire subnet itself.

I guess other OS's DHCP servers can do this (Solaris, Windows), so I'd
find it odd that NetWare can't, but who knows.