Problem-Solving Tips - Cisco Wide Area Virtualization Engine 274 Hardware Installation Manual

Chapter 5 Troubleshooting the System Hardware
Caution
Step 4

Problem-Solving Tips

OL-17739-01
Disk drives
•
Memory modules
•
Any component that is internal to the device must be serviced by trained and
qualified personnel. Contact your Cisco customer service representative.
Power up the device. If the problem remains, check the following parts in the
order listed:
Power backplane
a.
System board
b.
If the problem goes away when you remove an adapter from the system,
Note
and replacing that adapter does not correct the problem, check the system
board.
If you suspect a networking problem and all the system tests pass, check
Note
if there is a network cabling problem external to the system.
Because of the variety of hardware and software combinations that can be
encountered, use the following information to assist you in identifying the
problems. If possible, have this information available when requesting technical
assistance.
Machine type and model
•
Microprocessor or hard disk upgrades
•
Failure symptom
•
What, when, where; single or multiple systems?
–
Is the failure repeatable?
–
Cisco Wide Area Virtualization Engine 274 and 474 Hardware Installation Guide

Problem-Solving Tips

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