2
Troubleshooting flowchart
Figure 1 Troubleshooting unexpected switch reboot
Solution
To resolve the issue:
1.
Verify that you can access the CLI after the switch reboots.
If you can access the CLI, execute the
display diagnostic-information
command
to collect log messages.
If you cannot access the CLI, go to step
2.
Verify that the system software image on the switch is correct.
Log in to the switch through the console port and restart the switch. If the system reports that a
CRC error has occurred or that no system software image is available, reload the system
software image. The system software image is automatically set to the current system software
image during the Boot ROM image running process.
3.
If the issue persists, contact H3C Support.
The switch reboots unexpectedly
Can the CLI be
accessed?
Collect log messages
Reload the system
software image
Yes
No
Is the fault
rectified?
End
Contact H3C Support
Yes
No
Yes
No
Is the system software
image correct?