iii
Cisco 10000 Series Router Troubleshooting Guide
OL-0439-02
CONTENTS
About This Guide vii
Audience vii
Document Organization vii
Related Documentation viii
Document Conventions viii
Obtaining Documentation ix
Cisco.com ix
Product Documentation DVD x
Ordering Documentation x
Documentation Feedback x
Cisco Product Security Overview x
Reporting Security Problems in Cisco Products xi
Obtaining Technical Assistance xi
Cisco Technical Support & Documentation Website xii
Submitting a Service Request xii
Definitions of Service Request Severity xii
Obtaining Additional Publications and Information xiii
CHAPTER
1 Basic Troubleshooting Tasks and Startup Issues 1-1
Basic Troubleshooting Tasks 1-1
Confirming the Hardware Installation 1-1
Displaying Cisco IOS Software Version and System Environment Information 1-2
Using the show version Command 1-2
Using the show environment Command for Basic Troubleshooting 1-3
Hardware Troubleshooting Flowchart 1-4
Cisco 10000 Series Router System Startup Sequence 1-5
CHAPTER
2 PEM Faults and Blower Failures 2-1
DC PEM Faults 2-1
AC PEM Faults 2-3
Other Electrical Problems 2-4
Blower Module Faults 2-5