Link Layer Discovery Protocol (LLDP)

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Link Layer Discovery Protocol (LLDP) – A vendor-neutral Layer 2 protocol, based on IEEE 802.1AB, that lets network devices advertise and discover neighboring devices' identities and capabilities on a LAN using type-length-value attributes; enabled by default in SD-LAN physical port profiles. See: Configure SD-LAN Using Workflow Templates (Releases 22.1.4 and Later), Configure LLDP