When you setup IP addresses to be provided in a pool, DHCP will use
the 30
days or whatever time period you set for the subnet. However if you
want to
force one static IP address on a particular machine, there are no such

options, it's either permanent or to a particular date.

How do you setup a static IP address to be timed so that, for instance
if I
later want to change the workstation to pickup an address from the IP
at a later date, I don't have to manually clear the address at the

Thanks in advance,