Troubleshooting; Basic Troubleshooting Tips - HP ProCurve 6400cl Installation And Getting Started Manual

Troubleshooting

This chapter describes how to troubleshoot your switch. This document
describes troubleshooting mostly from a hardware perspective. You can
perform more in-depth troubleshooting on the switch using the software tools
available with the switch, including the full-featured console interface, the
built-in web browser interface, and ProCurve Manager, the SNMP-based
network management tool. For more information, see the chapter "Trouble-
shooting" in the Management and Configuration Guide, which is on the
Documentation CD-ROM that came with your switch.
This chapter describes the following:

Basic Troubleshooting Tips

Most problems are caused by the following situations. Check for these items
first when starting your troubleshooting:
basic troubleshooting tips
diagnosing with the LEDs
Proactive Networking tools
hardware diagnostic tests
restoring the factory default configuration
downloading new software to the Switch 6400
ProCurve Customer Support Services
Faulty or loose cables. Look for loose or obviously faulty connections.
If they appear to be OK, make sure the connections are snug. If that does
not correct the problem, try a different cable.
Non-standard cables. Non-standard and miswired cables may cause
network collisions and other network problems, and can seriously impair
network performance. Use a new correctly-wired cable or compare your
cable to the cable in appendix B, "Cables and Connectors" for pinouts and
correct cable wiring.
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