What is CDP and how it wirks in cisco routers ?
The Cisco Discovery Protocol (CDP) is a protocol that Cisco devices use to learn and share information about each other. Cisco devices, such as routers and switches, can discover neighboring Cisco devices through CDP.
The Cisco Discovery Protocol (CDP) is a protocol that Cisco devices use to learn and share information about each other. Cisco devices, such as routers and switches, can discover neighboring Cisco devices through CDP.
- By default, CDP is enabled on all interfaces.
- CDP only shares information with directly connected (neighboring) devices.
- CDP works when there is a valid Data Link layer connection.
- CDP works regardless of the Network layer and other protocols used. It can discover information on LANs, Frame Relay, and other network architectures
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