Network Address Translation Settings Network Address Translation (NAT) allows you to share one Wide Area Network (WAN) IP address for multiple computers on your Local Area Network (LAN). Enable NAT Enable Fullcone NAT ONLY IF REQUIRED -- DISABLES NETWORK ACCELERATION AND SOME SECURITY Enable Firewall Multicast Proxy Enable IGMP Multicast Proxy No Multicast VLAN Filter Enable MLD Multicast Proxy