Cisco Systems N6000 Manual De Usuario

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Cisco Nexus 6000 Series Hardware Installation Guide
OL-15902-02
A P P E N D I X
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Troubleshooting Hardware Components
This appendix describes how to identify and resolve problems that might occur with the hardware 
components of a Cisco Nexus 6000 Series switch. 
This appendix includes the following sections:
Overview
The key to success when troubleshooting the system hardware is to isolate the problem to a specific 
system component. The first step is to compare what the system is doing to what it should be doing. 
Because a startup problem can usually be attributed to a single component, it is more efficient to isolate 
the problem to a subsystem rather than troubleshoot each separate component in the system.
Problems with the initial power up are often caused by a module that is not firmly connected to the 
backplane or a power supply that has been disconnected from the power cord connector.
Overheating can also cause problems with the system, though typically only after the system has been 
operating for an extended period of time. The most common cause of overheating is the failure of a fan 
module. 
Switch Hardware Best Practices
Use the recommendations in this section to ensure the proper installation, initialization, and operation 
of the switch. 
This section includes the following topics: