In DHCP Manager, select the Addresses tab.
See How to Start and Stop DHCP Manager for information about DHCP Manager.
Select the network where the new IP address is located.
Select the address with properties that you want to duplicate.
Choose Duplicate from the Edit menu.
Specify the new IP address in the IP Address field.
(Optional) Specify a new client name for the address.
You cannot use the same name that is used by the address that you are duplicating.
(Optional) Modify other option values, if necessary.
Most other option values should remain the same.