Procedure

1. Go to Network → Services → DHCP.
2. Click the name of the DHCP service to modify.
3. Modify the parameters associated with the DHCP service:
   • IP address/bitmask—The IP address/bitmask leased from the DHCP server.
   • Enable/disable—Click the icon to switch between enabled (green/on) or disabled (red/off) DHCP services.
   • Preferred DNS—specify the IP address of the preferred DNS server.
   • Gateway—specify IP address of the gateway defined by the DHCP server.
   • IP address range from and to—specify the range of IP addresses to create the IP Pool to which the DHCP configuration applies.
4. Change the advanced settings if needed:
   • Lease time—Adjust the time and date when the leased IP address and netmask is no longer valid.
   • Static mapping—Check check box to enable and click Add static mapping
     • Add the Mac Address, IP address, and select either the Cancel or Submit action.
5. Click Apply.
6. Verify the settings changed at Network → Services → DHCP.