Indicates the VLAN-based forwarding policy for the unknown unicast packets.
Options:
1. forward(1) -indicates that the unknown unicast packets are transparently transmitted.
2. discard(2) -indicates that the unknown unicast packets are discarded.
3. notConfig(3) -indicate by VLAN single switch.
This leaf is optional for creating a VLAN service profile.
You can perform the set operation on this leaf
to modify the VLAN-based forwarding policy for the unknown unicast packets.
The VLAN-based forwarding policy for the unknown unicast packets can also be
configured in hwVlanPolicyUnknowncast of hwVlanMIBTable. If a VLAN service
profile is bound to the VLAN, the configuration in the VLAN service profile takes effect.