GVRP mechanism on S series switch

The Generic Attribute Registration Protocol (GARP) provides a mechanism to propagate attributes so that a protocol entity can register and deregister attributes.
The GARP VLAN Registration Protocol (GVRP) is used to register and deregister VLAN attributes.
A manually configured VLAN is a static VLAN, and a VLAN created through GVRP is a dynamic VLAN.

VLAN registration: adds a port to a VLAN. When a port receives a VLAN attribute declaration, it registers the VLAN specified in the declaration.
VLAN deregistration: removes a port from a VLAN. When a port receives a VLAN attribute declaration, it deregisters the VLAN specified in the declaration.

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