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Chapter 5
Troubleshooting
Note
Diagnosing Problems
78-14944-03
If POST fails on the Catalyst 2955C-12 and 2955S-12:
Uplink port 13 LED blinks amber.
•
Uplink port 14 LED turns green.
•
If POST fails on the Catalyst 2955T-12:
Uplink port 1 LED blinks amber.
•
•
Uplink port 2 LED turns green.
The uplink port status LEDs provide system and status information during POST.
On the Catalyst 2955T-12, the uplink ports are labeled 1 and 2. On the
Catalyst 2955C-12 and 2955S-12, the uplink ports are labeled 13 and 14.
POST failures are usually fatal. Call Cisco Systems immediately if your switch
does not pass POST. See the
page
xxx.
Common switch problems fall into these categories:
•
Poor performance
No connectivity
•
Corrupted software
•
"Obtaining Technical Assistance" section on
Catalyst 2955 Hardware Installation Guide
Diagnosing Problems
5-3
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