LLDP – Link Layer Discovery Protocol
February 4, 2012
Data link layer
LLDP – Link Layer Discovery Protocol is an industry-standard, vendor-neutral method to allow networked devices to advertise capabilities, identity, and other information onto a LAN. LLDP is Layer 2 protocol described in IEEE 802.1AB-2005 standard. It replaces several proprietary protocols implemented by individual vendors for their equipment like the most known protocol of this kind, CDP – Cisco Discovery Protocol.