D-Link DSL-2790U User Manual page 33

Configuration
WAN Service Configuration – IPoE
This window allows you to enable or disable Network Address Translation and a
firewall for your Router. In addition, you can enable or disable IGMP
multicasting. And You can input 2 nd ip on this page. Click the Next button to
continue.
WAN Service Configuration – IPoE
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