D-Link DSL-2790U - Ethernet WAN Settings; PPP Username and Password; Network Address Translation (NAT)

26D-Link DSL-2790U Wireless N300 ADSL2+ Modem Router User Manual
Section 4 - Conguration
Enable NAT: Check this to enable the router to use NAT to assign IP addresses
for your devices.
Enable Firewall: Check to enable the firewall.
Enable IGMP
Multicast:
Check to enable IGMP Multicast.
Enable MLD
Proxy:
Check to enable the MLD proxy.
Service Name: Enter the service name.
NETWORK ADDRESS TRANSLATION SETTINGS
PPP USERNAME AND PASSWORD
If you selected PPP over Ethernet (PPPoE), enter your PPP details and proceed to the
Network Address Translation Settings.
Click Next to continue.