Netopia R2020 User Reference Manual page 199

The IP Address Lease Management screen appears.
Reset All Leases
Release BootP Leases
Reclaim Declined Addresses
Hit RETURN/ENTER, you will return to the previous screen.
By selecting each of these options you can:
Reset all current IP addresses leased through DHCP without waiting for the default one hour lease period
to elapse
Release BootP leases that may be in place, and which may no longer be required
Reclaim served leases that have been declined, for example by devices which may no longer be on the
network.
IP Address Lease Management
Monitoring Tools 13-11