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Troubleshooting
Hardware Diagnostic Tests
Hardware Diagnostic Tests
Reasons for Resetting the Switch
Generally, you only need to reset the switch when it needs to recognize a
change in its hardware or software (console) configuration. Some
circumstances in which you will need to reset the switch are:
■ Changing certain switch configuration parameters through the console
interface. (In this case, the console provides indications when the switch
must be reset for the configuration change to be activated.)
You do not need to reset the switch when:
■ Installing a module in a previously unused slot.
■ Replacing a module with the same type of module.
■ Replacing the module with a different type of module.
Methods of Resetting the Switch
You can reset the switch by any of these methods:
■ pressing the System Reset button. On the 5400R zl2 switches, this is the
Reset button on the Management Module.
■ power cycling the switch (if both power supplies are being used, you will
have to disconnect all the power cords)
■ issuing the boot command from the switch console CLI, or selecting the
Reset or Boot option from the switch console menu, web browser inter
-
face, or Intelligent Management Center.
Testing the Switch by Resetting It
If you believe the switch is not operating correctly, you can reset the switch
to test its circuitry and operating code. To reset a switch, either:
■ Unplug and plug in the power cord (power cycling)
■ Press the System Reset button on the front of the switch
■ Select the reset or reboot option from the console, web browser interface,
or Intelligent Management Center.
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