Cisco Systems UBR10012 manual N T E N T S

Page 3

C O N T E N T S

Preface vii

 

 

 

Purpose

vii

 

 

Audience

vii

 

 

Document Organization

viii

 

Related Documentation

viii

 

Obtaining Documentation

ix

 

Cisco.com ix

 

 

Ordering Documentation

ix

Documentation Feedback

ix

 

Obtaining Technical Assistance

x

Cisco TAC Website

x

 

Opening a TAC Case

x

 

 

 

TAC Case Priority Definitions xi

 

 

 

 

 

 

 

 

Obtaining Additional Publications and Information

xi

 

Basic Troubleshooting Tasks and Startup Issues

 

 

 

 

C H A P T E R 1

1-1

 

 

 

 

 

Basic Troubleshooting Checklist

1-1

 

 

 

 

 

 

 

 

Confirming the Hardware Installation

1-2

 

 

 

 

 

 

 

Displaying the Cisco IOS Software Version

1-3

 

 

 

 

 

 

Displaying System Environment Information

1-4

 

 

 

 

 

 

Hardware Troubleshooting Flowchart

1-4

 

 

 

 

 

 

 

Cisco uBR10012 System Startup Sequence

1-5

 

 

 

 

 

PEM Faults and Fan Assembly Failures

 

 

 

 

 

 

C H A P T E R 2

2-1

 

 

 

 

 

 

 

AC PEM Faults

2-1

 

 

 

 

 

 

 

 

 

DC PEM Faults

2-3

 

 

 

 

 

 

 

 

 

2400W AC-Input Power Shelf

2-5

 

 

 

 

 

 

 

 

Other Electrical Problems 2-6

 

 

 

 

 

 

 

 

 

Fan Assembly Module Faults

2-7

 

 

 

 

 

 

 

Troubleshooting PRE-1 Modules

 

 

 

 

 

 

 

C H A P T E R 3

3-1

 

 

 

 

 

 

 

 

Information Required for Troubleshooting PRE-1 Modules 3-1

 

 

 

 

Cisco uBR10012 Universal Broadband Router Troubleshooting Guide

 

 

 

 

 

 

 

 

 

OL-1237-01

 

 

 

 

 

 

 

iii

 

 

 

 

 

 

 

 

 

 

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Contents Text Part Number OL-1237-01 Corporate HeadquartersCopyright 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 Audience PurposeDocument Organization Related DocumentationChapter Description Ordering Documentation Obtaining DocumentationDocumentation Feedback Cisco.comObtaining Technical Assistance Cisco TAC WebsiteOpening a TAC Case TAC Case Priority Definitions Obtaining Additional Publications and InformationXii Basic Troubleshooting Tasks and Startup Issues Basic Troubleshooting ChecklistConfirming the Hardware Installation Displaying the Cisco IOS Software Version Last reset from power-onDisplaying System Environment Information Hardware Troubleshooting FlowchartTCC+ Cisco uBR10012 System Startup SequenceStartup Event Event Description AC PEM Faults PEM Faults and Fan Assembly FailuresColor Description Fault Symptom Corrective ActionDC PEM Faults DC PEM Front Panel original model, UBR10-PWR-DC 2400W AC-Input Power Shelf DC OK Other Electrical ProblemsFault AC OKFan Assembly Module Fan Assembly Module FaultsFan Assembly Air Circulation Pattern Symptom Steps to Take Single FAN FailureMULTI-FAN Failure LED OL-1237-01 Troubleshooting PRE-1 Modules PRE Module Not Supported PRE-1 Module Status ScreenMessage Description IOS RUN Booting Up with Redundant PRE-1 ModulesIOS Prot IOS IntfPRE-1 Module Faults LED Fault Steps to TakeC10000config#interface fastethernet0/0/0 Ethernet Connection ProblemsConsole Port Serial Connection Problems Troubleshooting System Crashes Troubleshooting Common System ProblemsARP Traffic High CPU Utilization ProblemsRouterconfig-if# ip access-groupnumber Cpuhog Errors Debug and System MessagesExec and Virtual Exec Processes Invalid Scheduler Allocate Configuration Interrupts are Consuming a Large Amount of ResourcesIP Input Processing Bus Errors Problems with Access ListsSnmp Traffic Region Manager Start End Sizeb Class Media Name 0x0A000000 Alignment Errors Memory ProblemsMemory Parity Errors Low Memory ErrorsParticle Pool Fallbacks Spurious Interrupts Spurious Memory Accesses OL-1237-01 Troubleshooting Line Cards Command Description General Information for Troubleshooting Line Card CrashesSIG Value SIG Name Error Reason Cache Parity Errors SigerrorSigreload Bus Errors Software-Forced Crashes Troubleshooting Line Cards TCC+ Front Panel Power MaintenanceStatus Description Fault Type Response Show controllers clock-reference command Troubleshooting the OC-12 Packet-Over-SONET Line Card Fault Corrective Action RX CARRIER-B ActiveRX CARRIER-A PASS-THROUGH EnabledSRP EnableFail POSSync WrapPass Thru Gigabit Ethernet Line Card Faceplate and LED Descriptions Troubleshooting the Gigabit Ethernet Line CardGigabit Ethernet Line Card Faults and Recommended Responses OL-1237-01 Password Recovery Procedure Password Recovery Procedure OverviewPress Return. The user Exec prompt appears Change all three passwords using the following commands OL-1237-01 Unsupported Frame Relay Commands Unsupported CommandsMlppp Commands Hccp CommandsUnsupported Telco-Return Commands Unsupported Mpls VPN CommandsUnsupported PPP Commands Spectrum Management CommandsOL-1237-01 Equipment Description Testing with Digital Multimeters and Cable TestersTesting with TDRs and OTDRs Testing with TDRsTesting with OTDRs Testing with Breakout Boxes, Fox Boxes, and BERTs/BLERTs Testing with Network MonitorsTesting with Network Analyzers Blert Enable LEDActive LED BertPOWER, OC-12 DPT/SRP POWER, TCC+ ENABLE, OC-48 DPT/POSMAINTENANCE, OC-12 SRP/DPT MAINTENANCE, TCC+TX, OC-48 DPT/POS WRAP, OC-48 DPT/POS Maintenance LEDPower LED STATUS, OC-12 DPT/SRP STATUS, TCC+ SYNC, OC-48 DPT/POSRX Pkts LED OC-12 DPT/SRP TCC+Present LED TCC+ RX Carrier LED RX LEDTDR B-2 TX LED OC-48 DPT/POSWrap LED IN-6
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