D-Link DSL-2790U User Manual page 39

Configuration
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.
WAN Service Configuration – PPPoE
Default gateway interface list can have multiple WAN interfaces served as
system default gateways but only one will be used according to the priority with
the first being the higest and the last one the lowest priority if the WAN interface
is connected. Priority order can be changed by removing all and adding them
back in again. Click the Next button to continue.