Various show commands

1. show cdp
2. show cdp neighbors
   The show cdp neighbors command provides the following information: device ID, local interface, holdtime, capability, platform, and port ID (remote interface).
   
3. sh cdp neighbors detail
4. sh cdp entry *
5. show cdp entry * protocols
   Protocol information for ap :
   IP address: 10.1.1.2
   Protocol information for R2 :
   IP address: 10.4.4.2
6. show cdp entry * version
   Version information for ap :
   Cisco IOS Software, C1240 Software (C1240-K9W7-M), Version
   12.3(8)JEA, RELEASE SOFTWARE (fc2)
   [lines omitted]
9. show protocols