802.1q VLAN interface
Basic
1.Click Add 
button.
2.Enable GVRP Protocol: check the check box to enable GVRP protocol.
3.Group Name: assign a name for the new VLAN.
4.VLAN ID: fill in a VLAN ID (between
5.Protocol VLAN: choose the protocol type. Default is NONE.
6. From the Available ports box, select ports to add to the switch and click Add>> 
button. If the trunk groups exist, you can see it in here (ex: TRK1, TRK2…), and you can configure it is the member of the VLAN or not.
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