This page allows you to add/remove VLAN on LAN interfaces present in your box.
To add a VLAN on LAN interfaced existing in system,
1. Click on the Add,
2. Select LAN interface from drop down,
3. Provide VLAN Id.
4. Click apply to apply the changes to system.
To remove a VLAN from system, click on the Delete button corresponding to the VLAN.