Chapter 3 Troubleshooting - Cisco WS-C2950-12 Hardware Installation Manual
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- Product manual (20 pages) ,
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- Software manual (368 pages)
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Understanding POST Results
Understanding POST Results
Note
Diagnosing Problems
Catalyst 2950 Desktop Switch Hardware Installation Guide
3-2
While the switch powers on, it automatically begins POST, a series of tests that
verifies that the switch functions properly. When the switch begins POST, the
system LED is off. If POST completes successfully, the LED turns green. If POST
fails, the LED turns amber.
POST failures are usually fatal. Call Cisco Systems if your switch does not pass
POST.
Common switch problems fall into these categories:
Poor performance
•
•
No connectivity
Corrupted software
•
Table 3-1
describes how to detect and solve these problems.
Chapter 3
Troubleshooting
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Table of Contents
Troubleshooting
