Link Layer Discovery Protocol
The link layer discovery protocol (LLDP) is an open and extendable part of the Internet protocol suite used in IEEE 802 to advertise a device’s identity and abilities, as well as other devices connected within the same network.
LLDP is mainly used in wired Ethernet-connected devices to facilitate management of network resources and simplify networking tasks for administrators in a multi-vendor network. The protocol’s multi-vendor support enables network discovery of devices and management tools like Simple Network Management Protocol (SNMP) in a network made up of devices from different manufacturers. LLDP makes it unnecessary to use a larger number of proprietary protocols to support a multi-vendor network or, on the other hand, limit oneself to the hardware of a single vendor.
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