GIGABYTE GN-B41G - Manual (Page 54)

GN-B41G Wireless Broadband Router
The Session Configuration Tab
The Session Configuration screen displays the settings of the Main Session
and Backup Session.
Select a WAN connection type for the Main Session from the drop-down menu
and select Backup Session type. The Backup Session will become active if the
Main Session fails to establish a connection to the Internet.
In the event that neither the Main Session nor the Backup Session can
successfully establish a connection with your ISP, the following process will
apply:
Automatic: Main -> Backup -> Main -> Backup .... (attempts to establish
connection are repeated until successful)
Manual: Main -> Backup (Backup Session attempts only once)
Note: The Backup Session can have a specific LAN type connection assigned.
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