The value of this object identifies the type of a VLAN.Change the value from '2' to '1' indicates that the common-vlan is configured into super-vlan;
Change the value from '1' to '2' indicates that the super-vlan is canceled; Change the value from '2' to '4' indicates that the common-vlan is configured into mux-vlan;
Change the value from '4' to '2' indicates that the mux-vlan is canceled; Change the value from '2' to '6' indicates that the common-vlan is configured into protocol-transparent-vlan;
Change the value from '6' to '2' indicates that the protocol-transparent-vlan is canceled; Note that the switch between other pairs is forbidden.