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Chapter 5 Troubleshooting the System Hardware
Symptoms and Solutions
5-8
Cisco Wide Area Virtualization Engine 274 and 474 Hardware Installation Guide
OL-17739-01
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Has this configuration ever worked?
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If it has been working, what changes were made before it failed?
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Is this the original reported failure?
• Hardware configuration
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Print (print screen) configuration currently in use
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BIOS level
• WAAS system software type and version level
To eliminate confusion, identical systems are considered identical only if they
meet all these conditions:
• Are the exact machine type and models
• Have the same BIOS level
• Have the same adapters or attachments in the same locations
• Have the same address jumpers, terminators, and cabling
• Have the same WAAS software versions
• Have the same configuration options set in the system
• Have the same setup for the operating system control files
Comparing the configuration and software setup in working and nonworking
systems might help to resolve the problem.
Symptoms and Solutions
This section lists symptoms, errors, and the possible causes. The most likely cause
is listed first. You can use the error symptom tables to find solutions to problems
that have definite symptoms.
In Table 5-2 through Table 5-9, the first entry in the “Cause and Action” column
is the most likely cause of the symptom.
Caution Any component that is internal to the device must be serviced by trained and
qualified personnel. Contact your Cisco customer service representative.