HP ProCurve 2650 Install Manual: Basic Troubleshooting Tips

Hp procurve 2650: install guide.
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Troubleshooting
This chapter describes how to troubleshoot your HP Procurve Switch 2650.
Note that this document describes troubleshooting mostly from a hardware
perspective. You can perform more in-depth troubleshooting on the
Switch 2650 using the software tools available with the switch, including the
full-featured console interface, the built-in web browser interface, and HP
TopTools for Hubs & Switches, the SNMP-based network management tool.
For more information, see the chapter "Troubleshooting" 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 (page 4-1)
diagnosing with the LEDs (page 4-4)
Proactive Networking tools (page 4-8)
hardware diagnostic tests (page 4-9)
restoring the factory default configuration (page 4-11)
downloading new software to the Switch 2650 (page 4-12)
HP Customer Support Services (page 4-12)
Connecting to devices that have a fixed full-duplex configuration.
The RJ-45 ports are configured as "Auto". That is, when connecting to
attached devices, the switch will operate in one of two ways to determine
the link speed and the communication mode (half duplex or full duplex):
If the connected device is also configured to Auto, the switch will
automatically negotiate both link speed and communication mode.
4
4-1

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J4899b, J4899c, J8165a

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