Draytek Vigor2830 Series User Manual page 81

Active Mode
Backup Type
After finishing all the settings here, please click OK to save the configuration.
range is form 0 to 4095.
Priority – Type the packet priority number for such VLAN.
The range is from 0 to 7.
Choose Always On to make such WAN connection being
activated always.
Load Balance: Check this box to enable auto load balance
function for such WAN interface.
When the data traffic is large, the WAN interface with the
function enabled will balance the data transmission
automatically among all of the WAN interfaces in
connection status.
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 of selected WAN disconnect – Such backup
WAN will be activated when any master WAN interface
disconnects.
When all of selected WAN disconnect – Such backup
WAN will be activated only when all master WAN
interfaces disconnect.
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Vigor2830 Series User's Guide