4
PROBLEM SOLVING
This chapter helps you to diagnose and solve problems you may have with the
operation of your switch. There is also an explanation of IP addressing and
upgrading software.
The topics covered are:
■ Solving Problems Indicated by LEDs
■ Solving Hardware Problems
■ Solving Communication Problems
■ Solving Fabric Formation Problems
If you experience a problem that is not listed here, it may be included in the
Support section of the switch 4210 Command Reference Guide on the CD-ROM
that accompanies your switch.
For Technical Support information, see “Obtaining Support for Your 3Com
Products” on page 73.
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