[Description] Whether this VLAN is subdivided into private or secondary VLANs. This can be one of the following: None—This VLAN does not have any secondary or private VLANs. Primary—This VLAN can have one or more secondary VLANs, as shown in the Secondary VLANs area. Isolated—This is a private VLAN. The primary VLAN with which it is associated is shown in the Primary VLAN drop-down list. [Name] 
Sharing Type field