Steren COM-817 Manual Del Usuario página 46

Lease Time - The time of the DHCP client leased. Before the
time is up, DHCP client will request to renew the lease
automatically.
You cannot change any of the values on this page. To update this page
and to show the current attached devices, click on the Refresh button.
When you specify a reserved IP address for a PC on the LAN, that PC
will always receive the same IP address each time when it accesses the
DHCP server. Reserved IP addresses should be assigned to servers
that require permanent IP settings. This page is used for address
reservation.
ADDRESS RESERVATION
ENGLISH-46