N Is For Networking

N4N063: Link Layer Discovery Protocol

September 3, 2026·51 min
Episode Description from the Publisher

Ethan and Holly tackle the Link Layer Discovery Protocol (LLDP). They explain how this protocol helps network engineers map network topologies and validate wiring. They also discuss how LLDP devices use frames to send information, mandatory and optional type length values (TLVs), and why security on edge ports remains critical. Episode Links: Watch this episode... Read more »

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