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.
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 | 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. |
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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.
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