The type of this vpa. Two are statically configured:
configured default VPA and qTagged VPA. The mirrored
is an internal type set for mirrored ports and the
rest are dynamic vlan's
1. cfgDefault - Default vlan VPA Type
2. qTagged - The qTagged vlan VPA Type
3. mobile - The vpa is dynamically created according
to rules/policies.
4. mirrored - Set internally when the vpa created is on
a mirrored port.
6. slvan - Service vlan vpa's which are created.
7. dynamic - Created by dynamic GVRP or MVRP Protocol.