D-Link DSL-2790U User Manual page 28

Configuration
This window allows you to select the appropriate connection type. The choices
include PPP over ATM (PPPoA), PPP over Ethernet (PPPoE), IP over Ethernet
(IpoE), IP over ATM (IPoA), and Bridging.
WAN Service Configuration – PPPoE
Click the PPP over Ethernet (PPPoE) radio button on this window. This window
also allows you to use the drop-down menu to enable IPv6 service. Click the
Next button to continue.
WAN Service Configuration – PPPoE
This window allows you to set the username and the password for your PPP
connection. This information is obtained from your ISP. Additional settings on
this window will also depend on your ISP. And You can input 2 nd ip on this
page. Click the Next button to continue.