Troubleshooting - Cisco Catalyst 2955 Hardware Installation Manual

Troubleshooting

The front-panel LEDs provide troubleshooting information about the switch.
They show power-on self-test (POST) failures, port-connectivity problems, and
overall switch performance. For a full description of the LEDs, see the
section on page
You can also get statistics from the browser interface, the command-line interface
(CLI), the Cisco Intelligence Engine 2100 (IE2100) Series Configuration
Registrar, or a Simple Network Management Protocol (SNMP) workstation. See
the switch software configuration guide, the switch command reference, or the
documentation that came with your IE2100 or SNMP application for details.
This chapter provides these topics for troubleshooting problems:
•
•
78-14944-03
2-10.
Understanding POST Results, page 5-2
Diagnosing Problems, page 5-3
C H A P T E R
Catalyst 2955 Hardware Installation Guide
5
"LEDs"
5-1