Troubleshooting The Installation; Troubleshooting Overview - Cisco ASR 9001 Hardware Installation Manual

Troubleshooting the Installation

This chapter contains general troubleshooting information to help isolate the cause of any difficulties you
might encounter during the installation and initial startup of the system.
Although an over-temperature condition is unlikely at initial startup, environmental monitoring functions
are included in this chapter because these too monitor internal voltages.
•
•
•
•
•

Troubleshooting Overview

This section describes the methods used in troubleshooting the router. The troubleshooting methods are
organized according to the major subsystems in the router.
If you are unable to solve a problem on your own, you can contact a Cisco customer service representative
for assistance. When you call, have this information ready:
• Date you received the router and the chassis serial number (located on a label on the back of the chassis).
• Installed line card and Cisco software release number:
• Brief description of the symptoms and steps you have taken to isolate and solve the issue.
• Maintenance agreement or warranty information.
Troubleshooting Overview, page 85
Troubleshooting the Power Subsystem, page 87
Troubleshooting the Route Processor Subsystem, page 95
Troubleshooting the Line Card, page 99
Troubleshooting the Cooling Subsystem, page 104
◦ Use the show version command to determine the Cisco software release number.
C H A P T E R
Cisco ASR 9001 and Cisco ASR 9001-S Routers Hardware Installation Guide
4
85