LLDP MED support

LLDP-MED interoperates with directly connected IP telephony (endpoint) clients and provides the following features:

Advertisement of the voice VLAN configured on the interface which is used by connected IP telephony (endpoint) clients.
Advertisement of the configured location on the switch that can be used by the connected endpoint.
支持快速启动能力

NOTE:

LLDP-MED is intended for use with VoIP endpoints and is not designed to support links between network infrastructure devices (such as switch-to-switch or switch-to-router links).