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4-1
Chapter 4
Troubleshooting a Physical Media Problem
This chapter describes how to solve physical media problems. It assumes you
have already determined the scope of your problem, as described in Chapter 2.
This chapter includes the following sections:
•“Making Sure the Link Module Is Working
•“Deter
mining the Media-Specific State
•“T
roubleshooting the Cable Connection
Making Sure the Link Module Is Working
Refer to the log to make sure that the link module and ports are enabled. If they
are not, examine the log messages for the slot in question in order to determine
whether they became disabled or never came up, and why.
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