the leds on the front panel provide troubleshooting information about the switch. they show post failures, port-connectivity problems, and overall switch performance. for a full description of the switch leds, see the “leds”.

    you can also get statistics from the browser interface, from the cli, or from an snmp workstation. see the software configuration guide, the switch command reference guide on cisco.com, or the documentation that came with your snmp application for details.

    1 field notices

    2 security advisories

    3 troubleshooting resources

    4 factory defaults

    5 password recovery

    6 recovery from corrupted or missing software

    7 switch port problems

    8 network interface cards

    9 troubleshooting toolsyou can access the technical support website (http://www.cisco.com/tac) for a list of known hardware problems and extensive troubleshooting documentation including:

    common switch problems fall into these categories:

    1 poor performance

    2 no connectivity

    3 corrupted software

    table 3-1 describes how to detect and resolve these problems.