Explains the media- and protocol-independent Cisco Discovery Protocol (CDP), which allows administrators to view information about directly attached Cisco devices, including routers, bridges, and switches.
(CDP) is a media- and protocol-independent protocol that runs on all Cisco-manufactured equipment including routers, bridges, access and communication servers, and switches. Using CDP, you can view information about all the Cisco devices that are directly attached to the device.
Cisco Discovery Protocol Version 2
Describes Cisco Discovery Protocol version 2 (CDPv2), which provides enhanced device tracking, rapid error reporting for network mismatches, and detailed output for VLAN and duplex state management.
How CDP operates
Describes the CDP process, which involves periodic exchange of advertisement messages to enable network devices to discover neighbors and maintain up-to-date network topology information.
Enable CDP
Teaches you how to enable CDP globally and on specific interfaces to ensure your router shares device information with directly connected Cisco equipment.
Modify CDP default settings
Use this procedure to customize CDP settings for compatibility and network discovery frequency.
Monitor CDP
Use this procedure to monitor Cisco Discovery Protocol (CDP) neighbor and interface information using show commands.