3 ms·Usually not needed, since your router will usually try to assign a fixed address for already known devices.by gonvaled 8y agoUsually not needed, since your router will usually try to assign a fixed address for already known devices.JdeBP 8y agoWhat spockz said takes the words "usually" and "try" out of that. (-:gonvaled 8y agoBut means more work, with web interfaces of varying qualityvoltagex_ 8y agoWhat happens when the DHCP lease expires?gonvaled 8y agoThe router will try to reassign it, usually.