A VLAN represents an isolated layer two domain, identified by a name and a numeric ID (1-4094) as defined in IEEE 802.1Q. VLANs are arranged into VLAN groups to define scope and to enforce uniqueness.
Each VLAN must be assigned one of the following operational statuses:
As with prefixes, each VLAN may also be assigned a functional role. Prefixes and VLANs share the same set of customizable roles.