over a specific link. MVRP replaced the slower GARP VLAN Registration Protocol (GVRP) in 2007 with the IEEE 802.1ak-2007 amendment. The 2003 revision of the standard was the first to include the Multiple Spanning Tree Protocol (MSTP) which was originally defined in IEEE 802.1s. See also Cisco Inter-Switch Link (ISL), an older Cisco proprietary VLAN management protocol Dynamic Trunking Protocol (DTP), a Cisco proprietary protocol to negotiate trunking between two VLAN-aware devices VLAN Trunking Protocol (VTP), a Cisco proprietary VLAN management protocol Notes References Sources IEEE 802 Ethernet standards Link protocols