@ArcherC8 Issue resolved but still no way to expire a single lease. It seems that the Galaxy S devices had a static IP at one time then the setting was changed to DHCP.. The DHCP renewal used the old...

@ArcherC8 Mac addresses are static. The reserved mac addresses match the ones in the connected client list.

@ArcherC8 Yes, I've rebooted the router several times (after each attempt). What happens to the lease if I block the device and the lease expires? I'll try that in the morning.

I have a single device that keeps renewing its DHCP address instead of picking up the reservation IP address.. Is there a way to expire the lease? I want the device to use the IP address configured...