LevelOne GEP-0950 - Manual (Page 53)

Parameter description:
ID (Group ID):
When you want to edit a VLAN group, you must select the Group ID field.
Then, you will enter Tag Base VLAN Group Setting or Port Base VLAN
Group Setting page, which depends on your VLAN mode selection.
Member:
In modify function this is used to enable or disable if a port is a member
of the new added VLAN, “Enable” means it is a member of the VLAN.
Just tick the check box () beside the port x to enable it.
Add Group:
Create a new port-based VLAN or tag-based VLAN, which depends on
the VLAN mode you choose in VLAN mode function.
Delete Group:
Just tick the check box (  ) beside the ID, then press the <Delete>
button to delete the group.