
2
Troubleshooting
This chapter describes ways to troubleshoot the hub. Topics covered are:
■ troubleshooting approaches
■ using a checklist to diagnose the hub
■ interpreting the LED pattern during self test
■ hub maintenance tasks
Troubleshooting Approaches
There are three primary ways to diagnose hub problems:
■ By checking the LEDs on the front of the hub as described in the section,
“Using a Checklist to Diagnose the Hub” later in this chapter.
■ By using the ASCII console’s diagnostic functions as described in chapter
3, “Managing the Hub.”
■ By using the CiscoView network management application as described in
the CiscoView online help.
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