MVRP (Multiple VLAN Registration Protocol) support

configname: CONFIG_VLAN_8021Q_MVRP

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>MVRP (Multiple VLAN Registration Protocol) support
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Select this to enable MVRP end-system support. MVRP is used for
automatic propagation of registered VLANs to switches; it
supersedes GVRP and is not backwards-compatible.

If unsure, say N.