User`s guide

Vigor2850 Series User’s Guide
100
Active Mode
Choose Always On to make the WAN1 connection being
activated always;
Backup WAN
If you choose Backup as the Active Mode, Backup WAN will
be changed into Backup Type. You have to specify which role
the WAN interface should play if you want to backup multiple
WANs. However, ignore this setting if you want to backup a
single WAN.
When any WAN disconnect – Such backup WAN will be
activated when any master WAN interface disconnects.
When all WAN disconnect – Such backup WAN will be
activated only when all master WAN interfaces disconnect.
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For the router supports multi-WAN function, the users can set different WAN settings (for
WAN1/WAN2/WAN3) for Internet Access. Due to different Physical Mode for WAN
interface, the Access Mode for these connections also varies. Refer to the following figures.