Draytek Vigor2920n User Manual page 47

Active Mode and Backup
WAN/Backup Type
WAN while sending them out.
Please type the tag value and specify the priority for the packets
sending by WAN1.
Disable – Disable the function of VLAN with tag.
Tag value – Type the value as the VLAN ID number. The
range is form 0 to 4095.
Priority – Type the packet priority number for such VLAN.
The range is from 0 to 7.
Active Mode – Determine the WAN interface will be active for
always (Always On) or be treated as a backup WAN interface
(Backup WAN).
Backup WAN/Backup Type – Determine the role of such
WAN interface. It will be changed according to the Active
Mode specified.
If you choose Always On as Active Mode, you can choose one
of the backup WAN interfaces from the Backup WAN drop
down list. Later, when such WAN is disconnected for some
reason, the backup WAN will be activated automatically to
prevent data transmission from connection interrupted.
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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Vigor2920 Series User's Guide