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What is PAgP (Port Aggregation Protocol)? | Exploring Link Aggregation in Cisco Networks

The Port Aggregation Protocol (PAgP) is a proprietary technology developed by Cisco. It facilitates the seamless establishment of EtherChannel connections. This technology combines physical links between switches. It creates a single logical link, providing increased bandwidth and redundancy. Furthermore, it enhances network performance significantly.

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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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