Tag: GNS3

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What is LLDP (Link Layer Discovery Protocol)? | Understanding How It Works on the Network

Link Layer Discovery Protocol (LLDP) is a tool for finding switches and other network devices. It serves on Layer 2 of the OSI model and helps identify network components in the immediate area. It is also helpful in mapping devices and analyzing network topology.

The IEEE 802.1AB document defines an extra option for CDP. This protocol helps with exchanging and controlling communication between devices.

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