LLDP-MED

The LLDP-Media Endpoint Discovery (LLDP-MED) extension of LLDP is defined to share information between media endpoint devices such as IP telephones, media gateways, media servers, and network connectivity devices.

Either LLDP or LLDP-MED, but not both, can be used on an interface between two devices. A switch port uses LLDP-MED when it detects that an LLDP-MED device is connected to it.

LLDP-MED provides the following benefits:

There are two primary LLDP-MED device types (as shown in LLDP-MED):