To clear DHCP server variables:

Command

Purpose

Device# clear ip dhcp binding address | *

Deletes an automatic address binding from the DHCP database. Specifying address clears the automatic binding for a specific (client) IP address whereas specifying asterisk (*) clears all automatic bindings.

Device# clear ip dhcp conflict address | *

Clears an address conflict from the DHCP database. Specifying address clears the conflict for a specific IP address whereas specifying an asterisk (*) clears conflicts for all addresses.

Device# clear ip dhcp server statistics

Resets all DHCP server counters to 0.