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Cisco uBR10012 Universal Broadband Router Troubleshooting Guide
OL-1237-01
Preface
Document Organization
Document Organization
The sections of this guide are as follows:
Related Documentation
When troubleshooting the Cisco uBR10012 router, you should use the Cisco uBR10012 Universal
Broadband Router Troubleshooting Guide with the following documents:
• Cisco uBR10012 Universal Broadband Router Release Notes—Provides the most up-to-date
information about software version requirements for using the router. It also provides information
about bugs and workarounds. See the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/cable/ubr10k/ub10krns/index.htm
• Cisco uBR10012 Universal Broadband Router Software Configuration Guide—Contains detailed
information on the configuration and administration of the Cisco uBR10012 router. See the
following URL:
http://www.cisco.com/univercd/cc/td/doc/product/cable/ubr10k/ubr10012/scg/index.htm
• Cisco uBR10012 Universal Broadband Router Hardware Installation Guide—Contains information
about the hardware of the Cisco uBR10012 router, how to install the router, connect its cables, and
start the system up for the first time. See the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/cable/ubr10k/ubr10012/hig/index.htm
Chapter Description
Chapter 1, “Basic Troubleshooting Tasks and
Startup Issues”
Basic procedures that users should perform before undertaking a detailed
troubleshooting analysis of the Cisco uBR10012 router or logging a case
with the Cisco Technical Assistance Center (TAC).
Chapter 2, “PEM Faults and Fan Assembly
Failures”
Methods for troubleshooting faults involving the Cisco uBR10012 Power
Entry Modules (PEMs) and blower modules.
Chapter 3, “Troubleshooting PRE-1 Modules” How to troubleshoot Performance Routing Engine (PRE-1) modules. It
provides information on troubleshooting PRE-1 fault states, the
management Ethernet port, and the serial port.
Chapter 4, “Troubleshooting Line Cards” Troubleshooting faults for all following Cisco uBR10012 line cards.
Chapter 5, “Replacing or Recovering
Passwords”
How to recover a lost enable or console login password, and how to replace
a lost enable secret password on the Cisco uBR10012 router.
Appendix A, “Unsupported Commands” A list of the commands that are not supported in Cisco IOS Release
12.2(15)BC1 for the Cisco uBR10012 router.
Appendix B, “Recommended Tools and Test
Equipment”
A list of basic tools and test equipment necessary to perform maintenance
and troubleshooting tasks on the Cisco uBR10012 router.