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Troubleshooting Cisco 3800 Series Routers
Your Cisco 3800 series integrated services router goes through extensive testing and burn-in before
leaving the factory. If you encounter problems, use this document to help isolate problems or to eliminate
the router as the source of the problem.
This document contains the following sections:
Solving Problems, page 2
•
LEDs, page 5
•
The show environment Command, page 9
•
Error Messages, page 10
•
Jumper Settings, page 12
•
Recovering a Lost Password, page 13
•
•
More Troubleshooting Help, page 13
To troubleshoot network modules, see the
Note
troubleshoot interface cards, see the
available on Cisco.com.
If you cannot find the source of the problem, contact a customer service representative. For information
about obtaining technical support, see the
"Introduction to Cisco 3800 Series Routers Hardware
following information ready:
Router type and serial number (for serial number locations, see the
•
on page 5
Maintenance agreement or warranty information
•
•
Type of software and version number
Date you received the router
•
•
Brief description of the problem
Brief explanation of the steps taken to isolate the problem
•
OL-5972-01
Cisco Interface Cards Installation
of
"Overview of Cisco 3800 Series
Cisco Network Modules Hardware Installation
"Obtaining Technical Assistance" section on page 12
Documentation." Before you call, have the
Routers")
Troubleshooting Cisco 3800 Series Routers
Guide. To
Guide. These documents are
of
"Product Identification" section
1