Table of Contents
Advertisement
Troubleshooting
This chapter describes how to troubleshoot your switch.
TIP:
Clean your switch periodically because the noncompliant operating environments of switches may
cause switch failures. At the same time, check the installation environments against the requirements in
the chapter "Preparing for installation." Make sure the switch operates in a proper environment.
Additionally, periodically perform the power-on test for the spare switches.
Troubleshooting methods
When your switch fails, you can use the following methods to troubleshoot the switch:
At the CLI, you can use the related commands to display the hardware information, and locate the
•
hardware failures.
The MPU provides the LEDs for the fans and cards. You can locate the failures according to the LED
•
status on the MPU. For more information about the LED status on the MPU, see the chapter
"Appendix C
The MPU or LPU of the switch provides the port status LEDs, with which you can detect port failures.
•
For more information about the LED status on the LPU, see the chapter
NOTE:
If you cannot locate failures by following the guidelines in this chapter, contact HP. For more
information, see the chapter "Support and other resources."
Configuration terminal problems
If the configuration environment setup is correct, the configuration terminal displays boot information
when the switch is powered on. If the setup is incorrect, the configuration terminal does not display
anything or displays garbled text.
No terminal display
If the configuration terminal displays nothing when the switch is powered on, verify the following items:
The power supply system works properly.
•
The MPU works properly.
•
The console cable has been connected to the console port of the MPU.
•
If no problem is found, the following failure reasons may apply:
The console cable is connected to an incorrect serial interface (the serial interface in use is not the
•
one set on the terminal). To solve this problem, select a correct serial interface.
The console cable fails. To solve this problem, replace the console cable.
•
LEDs."
39
"Appendix C
LEDs."
Advertisement
Table of Contents
Troubleshooting
