5
NOTE:
•
This section describes how to troubleshoot unexpected switch reboot, removable power modules, and fixed
fan trays. To troubleshoot transceiver modules and ports, see "
."
•
Hardware varies by device model. For example, a switch might use fixed power modules or removable
power modules.
Unexpected switch reboot
Symptom
The switch reboots unexpectedly when it is operating.
Troubleshooting flowchart
Figure 1 Troubleshooting unexpected switch reboot
Solution
To resolve the issue:
1.
Verify that you can access the CLI.
{
If you can access the CLI, execute the
display diagnostic-information
command to
collect operating statistics.
{
If you cannot access the CLI, go to step
.