David’s Cisco Networking Blog:

cisco discovery protocol

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February 13, 2009  10:55 PM

What is CDP and how can it help you?



Posted by: David Davis
CDP, Cisco, cisco discovery protocol, ios, troubleshooting

he Cisco Discovery Protocol (CDP) is a proprietary layer 2 management protocol for networks. CDP provides network device inventory, connectivity information, and IP next hop info. It works on LANs and WANs. CDP also works no matter the layer 3 network in use. This, no matter if you are running...

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