4

Troubleshooting

This section describes how to troubleshoot the switch. For more information, see the chapter “Troubleshooting” in the ProCurve Series 1800 Switch Management and Configuration Guide, which is available on the ProCurve Networking Web site, http://www.procurve.com.

This chapter describes the following:

■basic troubleshooting tips (page 4-1)

■diagnosing with the LEDs (page 4-2)

■ forgotten the IP address or password (page 4-4)

■hardware diagnostic tests (page 4-5)

■HP Customer Support Services (page 4-5)

Basic Troubleshooting Tips

Common problems and their solutions are listed in the following table.

For more information on possible network problems and their solutions, refer to the technical note “Troubleshooting LAN Performance and Intermittent Connectivity Problems”, which can be found on the ProCurve Networking Web site, http://www.procurve.com, in the Information Library section.

4-1