Billion BiPAC 7800GZ(L) User Manual page 100

EWAN
Main Port: Select the main port from the drop-down menu.
Click Apply to confirm the change.
Dual WAN
Main Port: Select the main port from the drop-down menu.
WAN1: Choose ADSL EWAN or 3G for WAN1. Click the link to go to WAN Profile page to configure
its parameters.
WAN2: Choose ADSL EWAN or 3G for WAN2. Click the link to go to WAN Profile page to
configure its parameters.
Keep Backup Interface Connected: Select Enable this function, the backup port WAN2 will be
connected all the time.
Connectivity Decision: Enter the value for the times when probing failed to switch backup port.
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