9.3 Router Commands
9.3.2 Testing and other basic commands
The commands listed in the graphics - are to assist you in monitoring, backing up and booting your router. The commands are only examples and do not reflect the configuration of any actual network. 

Shown in the Figure are some commands that may help you troubleshoot the router. Many of the commands might be used while you are speaking with a Tech Support Engineer.

Backing-up and restoring the router configuration and IOS.  

Boot commands are shown in Figure .