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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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