Network WAN for the TP-Link TL-R460Router Sceenshot

WAN WAN Connection Type: Dynamic IP Static IP PPPoE 802.1X + Dynamic IP 802.1X + Static IP BigPond Cable L2TP PPTP Interior network: Host Name: IP Address: \ Subnet Mask: 255.255.255.128 Default Gateway: \ MTU Size (in bytes): (The default is 1500. Do not change it unless necessary.) Use These DNS Servers Primary DNS: Secondary DNS: (Optional) Get IP with Unicast DHCP (It is usually not required.)