Troubleshooting Commands for the CCENT Certification Exam
When problems arise on Cisco devices, there are a number of show commands you can use to help identify what the problem is. The following table lists popular show commands:
|show running-config||Displays the running configuration stored in VRAM.|
|show startup-config||Displays the startup configuration stored in NVRAM.|
|show ip interface brief||Shows a summary of the interfaces and their status.|
|show interfaces||Displays detailed information about each interface.|
|show interface serial 0/0||Displays detailed information about a specific interface.|
|show ip route||Displays the routing table.|
|show hosts||Displays the host name table.|
|show controller serial0/1||Displays whether the serial interface is a DCE or DTE
|show ip protocols||Displays what routing protocols are loaded.|
|show cdp neighbors||Displays basic information about neighboring devices such as
name, type of device, and model.
|show cdp neighbors detail||Displays detailed information about neighboring devices such as
name, type of device, model, and IP address.