Troubleshooting Overview

If you cannot solve a problem, contact a customer service representative for assistance. When you call, have the following information at hand:

Date you received the router and the chassis serial number

Line card configuration (the line cards installed in your system)

The version number of the Cisco IOS software running on your system

Brief description of the problem being experienced and the steps you have already taken to isolate and resolve the problem

Maintenance agreement or warranty information

Troubleshooting Overview

This section identifies the normal status of the system at startup. It also describes the methods used in troubleshooting the Cisco 12008. To enable efficient problem solving, the troubleshooting methods are presented organized according to the router’s major subsystems.

Normal System Status at Startup

Table 5-1 shows the contents of the alphanumeric displays on the RP and the line cards at system startup; this table also shows the normal, expected state of the LEDs on the faceplate of the CSC(s) at system startup.

For the layout of the status LEDs on the CSC faceplate, refer to Figure 1-14.

5-2Cisco 12008 Gigabit Switch Router Installation and Configuration Guide

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Cisco Systems Cisco 12008 manual Troubleshooting Overview, Normal System Status at Startup