Indicates the VLAN-based BPDU transparent transmission function.
Options:
1. enable(1) -indicates that the BPDU transparent transmission function is enabled.
2. disable(2) -indicates that the BPDU transparent transmission function is disabled.
3. notConfig(3) -indicate by VLAN single switch.
This leaf is optional for creating a VLAN service profile.
The BPDU transparent transmission function can also be configured
in hwBpduTunnel of hwBpduTunnelTable. If a VLAN service profile is bound to the VLAN,
the configuration in the VLAN service profile takes effect.