Draytek Vigor2120n-plus User Manual page 120

VLAN Tag insertion
Active Mode
After finished the above settings, click OK to save the settings.
Vigor2120 Series User's Guide
Enable – Enable the function of VLAN with tag.
The router will add specific VLAN number to all packets on
the 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.
Display that WAN2 will be activated as Backup interface.
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