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Troubleshooting
Troubleshooting Overview
Chapter 4
28
Troubleshooting Overview
As with any troubleshooting, a systematic approach is helpful. The following table and
flowcharts provide a logical sequence of steps to follow when troubleshooting Gigabit
Ethernet. Using the diagnostic flowcharts, identify whether the problem is with Gigabit
Ethernet or any of the connections to the switch, or whether it is in some other part of
the network, verify your assumptions and, if it is limited to Gigabit Ethernet software or
hardware, correct the problem.
NOTE To help ensure operation without degraded performance, make sure that both link
partners are set to autonegotiate, or, if using manual settings, that each side is set to the
same speed and duplexity.
If you cannot solve the problem on your own, call your HP representative. Use the
guidelines at the end of Chapter 3 to help you effectively communicate what is wrong.
The Gigabit Ethernet products use diagnostic tools compatible with the HP LAN Link
product.