Troubleshooting IOS Commands

EXEC mode ( Switch> enable )

Switch# show tech-support (or #sh tech)
Displays information for all features

Switch# show tech-support brief
Displays information only about the status of the device.

Switch# show version
Displays the configuration of the system hardware, the software version

Switch# show running-config
Displays the router configuration currently running.

Switch# show startup-config
Displays the router configuration stored in nonvolatile RAM (NVRAM).

Switch# show interfaces
Displays statistics for all interfaces configured.