Cisco Discovery Protocol (CDP) Quiz

CDP (Cisco Discovery Protocol)

• A protocol used to gather information about Cisco devices that share the same data link.
• Works with network devices, such as routers, switches, and wireless LAN access points across multiple manufacturers' devices.
• Used to issue the show cdp neighbors command on a router to display the device ID and other information about directly connected Cisco devices.

CDP Neighbors Command

• The show cdp neighbors command displays device ID and other information about directly connected Cisco devices.
• The show cdp neighbors details command provides additional information about neighbor devices, including the IP address of the neighbor.

Configuration File Transfer

• The copy running-config tftp command is used to transfer the current configuration file to a server.
• The copy tftp running-config command is used to copy the configuration file from the TFTP server to the RAM of the router.

SNMP (Simple Network Management Protocol)

• Version 2:
  • Includes expanded error codes with types.
  • Uses community-based forms of security.
  • Does not provide encrypted management messages.
• Version 3:
  • Authenticates the source of management messages.
  • Is used for interoperability and includes message integrity reporting.
• Both Versions:
  • Supported by Cisco IOS software.
  • Provides services for security models.