Advanced > Local Area Network (LAN) Setup Configure the DSL Router IP Address and Subnet Mask for LAN interface. Save button only saves the LAN configuration data. Save/Reboot button saves the LAN configuration data and reboots the router to make the new configuration effective. IP Address: Subnet Mask: Enable UPnP Disable DHCP Server Enable DHCP Server Start IP Address: End IP Address: Leased Time (hour): Enable DHCP Server Relay DHCP Server IP Address: Enable IGMP-SNOOPING   Configure the second IP Address and Subnet Mask for LAN interface IP Address: Subnet Mask: