Cisco Systems UBR10012 manual Document Organization, Related Documentation, Chapter Description

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Preface

Document Organization

Document Organization

The sections of this guide are as follows:

Chapter

Description

 

 

Chapter 1, “Basic Troubleshooting Tasks and

Basic procedures that users should perform before undertaking a detailed

Startup Issues”

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

Methods for troubleshooting faults involving the Cisco uBR10012 Power

Failures”

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

How to recover a lost enable or console login password, and how to replace

Passwords”

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

A list of basic tools and test equipment necessary to perform maintenance

Equipment”

and troubleshooting tasks on the Cisco uBR10012 router.

 

 

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 GuideContains 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

Cisco uBR10012 Universal Broadband Router Troubleshooting Guide

 

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OL-1237-01

 

 

 

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Contents Corporate Headquarters Text Part Number OL-1237-01Copyright 2001-2004, Cisco Systems, Inc All rights reserved N T E N T S ARP Traffic Testing with Digital Multimeters and Cable Testers B-1 OL-1237-01 Purpose AudienceChapter Description Document OrganizationRelated Documentation Obtaining Documentation Documentation FeedbackCisco.com Ordering DocumentationOpening a TAC Case Obtaining Technical AssistanceCisco TAC Website Obtaining Additional Publications and Information TAC Case Priority DefinitionsXii Basic Troubleshooting Checklist Basic Troubleshooting Tasks and Startup IssuesConfirming the Hardware Installation Last reset from power-on Displaying the Cisco IOS Software VersionHardware Troubleshooting Flowchart Displaying System Environment InformationCisco uBR10012 System Startup Sequence TCC+Startup Event Event Description PEM Faults and Fan Assembly Failures AC PEM FaultsFault Symptom Corrective Action Color DescriptionDC PEM Faults DC PEM Front Panel original model, UBR10-PWR-DC 2400W AC-Input Power Shelf Other Electrical Problems FaultAC OK DC OKFan Assembly Module Faults Fan Assembly ModuleFan Assembly Air Circulation Pattern MULTI-FAN Failure LED Symptom Steps to TakeSingle FAN Failure OL-1237-01 Troubleshooting PRE-1 Modules Message Description PRE Module Not SupportedPRE-1 Module Status Screen Booting Up with Redundant PRE-1 Modules IOS ProtIOS Intf IOS RUNPRE-1 Module Faults Fault Steps to Take LEDEthernet Connection Problems C10000config#interface fastethernet0/0/0Console Port Serial Connection Problems Troubleshooting Common System Problems Troubleshooting System CrashesHigh CPU Utilization Problems ARP TrafficRouterconfig-if# ip access-groupnumber Exec and Virtual Exec Processes Cpuhog ErrorsDebug and System Messages IP Input Processing Invalid Scheduler Allocate ConfigurationInterrupts are Consuming a Large Amount of Resources Snmp Traffic Bus ErrorsProblems with Access Lists Region Manager Start End Sizeb Class Media Name 0x0A000000 Memory Problems Alignment ErrorsLow Memory Errors Memory Parity ErrorsParticle Pool Fallbacks Spurious Interrupts Spurious Memory Accesses OL-1237-01 Troubleshooting Line Cards General Information for Troubleshooting Line Card Crashes Command DescriptionSIG Value SIG Name Error Reason Sigreload Cache Parity ErrorsSigerror Bus Errors Software-Forced Crashes Troubleshooting Line Cards TCC+ Front Panel Status Description PowerMaintenance Fault Type Response Show controllers clock-reference command Troubleshooting the OC-12 Packet-Over-SONET Line Card Fault Corrective Action RX CARRIER-A RX CARRIER-BActive Enabled PASS-THROUGHEnable FailPOS SRPPass Thru SyncWrap Troubleshooting the Gigabit Ethernet Line Card Gigabit Ethernet Line Card Faceplate and LED DescriptionsGigabit Ethernet Line Card Faults and Recommended Responses OL-1237-01 Password Recovery Procedure Overview Password Recovery ProcedurePress Return. The user Exec prompt appears Change all three passwords using the following commands OL-1237-01 Unsupported Commands Unsupported Frame Relay CommandsHccp Commands Mlppp CommandsUnsupported Mpls VPN Commands Unsupported PPP CommandsSpectrum Management Commands Unsupported Telco-Return CommandsOL-1237-01 Testing with Digital Multimeters and Cable Testers Equipment DescriptionTesting with OTDRs Testing with TDRs and OTDRsTesting with TDRs Testing with Network Monitors Testing with Breakout Boxes, Fox Boxes, and BERTs/BLERTsTesting with Network Analyzers Enable LED Active LEDBert BlertENABLE, OC-48 DPT/POS MAINTENANCE, OC-12 SRP/DPTMAINTENANCE, TCC+ POWER, OC-12 DPT/SRP POWER, TCC+Maintenance LED Power LEDSTATUS, OC-12 DPT/SRP STATUS, TCC+ SYNC, OC-48 DPT/POS TX, OC-48 DPT/POS WRAP, OC-48 DPT/POSOC-12 DPT/SRP TCC+ Present LED TCC+RX Carrier LED RX LED RX Pkts LEDWrap LED TDR B-2TX LED OC-48 DPT/POS IN-6