Cisco UBR10012 - Manual

Cisco UBR10012

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Table of Contents:

  • Page 3 – iii; C O N T E N T S; Preface; Basic Troubleshooting Tasks and Startup Issues; PEM Faults and Fan Assembly Failures; Troubleshooting PRE-1 Modules
  • Page 4 – iv; Troubleshooting Line Cards
  • Page 5 – Replacing or Recovering Passwords; Unsupported Commands; Recommended Tools and Test Equipment
  • Page 7 – vii; Purpose
  • Page 8 – viii; Document Organization; Related Documentation; Chapter
  • Page 9 – ix; Obtaining Documentation; Ordering Documentation; Documentation Feedback
  • Page 10 – Obtaining Technical Assistance; Cisco TAC Website
  • Page 11 – xi; TAC Case Priority Definitions; Obtaining Additional Publications and Information
  • Page 12 – xii
  • Page 13 – Basic Troubleshooting Checklist
  • Page 14 – Confirming the Hardware Installation; show hardware
  • Page 15 – Displaying the Cisco IOS Software Version; show version
  • Page 16 – Displaying System Environment Information; show environment; Hardware Troubleshooting Flowchart
  • Page 17 – Cisco uBR10012 System Startup Sequence
  • Page 18 – Startup Event
  • Page 19 – AC PEM Faults
  • Page 20 – LED; Fault Symptom
  • Page 21 – DC PEM Faults
  • Page 24 – Other Electrical Problems
  • Page 25 – Fan Assembly Module Faults
  • Page 27 – Symptom
  • Page 29 – Information Required for Troubleshooting PRE-1 Modules; stack
  • Page 30 – PRE Module Not Supported; PRE-1 Module Status Screen; Message Description
  • Page 31 – Booting Up with Redundant PRE-1 Modules
  • Page 33 – Ethernet port LEDs; Flashing; Fault
  • Page 34 – Ethernet Connection Problems; show interface; show log
  • Page 35 – Console Port Serial Connection Problems
  • Page 36 – Troubleshooting Common System Problems; Troubleshooting System Crashes
  • Page 37 – High CPU Utilization Problems; ARP Traffic
  • Page 38 – no cable arp; permit ip any any
  • Page 39 – CPUHOG Errors; Debug and System Messages; Exec and Virtual Exec Processes
  • Page 40 – Interrupts are Consuming a Large Amount of Resources; Invalid Scheduler Allocate Configuration; scheduler allocate; default scheduler; IP Input Processing
  • Page 41 – Problems with Access Lists; SNMP Traffic; Bus Errors
  • Page 42 – show
  • Page 43 – show stacks; show context; Memory Problems; Alignment Errors; Correctable Alignment Errors
  • Page 44 – Fatal Alignment Errors; Low Memory Errors; Memory Parity Errors
  • Page 45 – Particle Pool Fallbacks
  • Page 46 – show buffers; Spurious Interrupts
  • Page 47 – Spurious Memory Accesses
  • Page 50 – General Information for Troubleshooting Line Card Crashes; Command
  • Page 51 – SIG Value
  • Page 52 – Cache Parity Errors
  • Page 54 – Software-Forced Crashes; show processes cpu
  • Page 56 – cable power; show diag
  • Page 58 – Fault Type; reset
  • Page 59 – show controllers clock-reference; cable; show controllers
  • Page 64 – Troubleshooting the Cisco uBR10012 OC-48 DPT/POS Line Card
  • Page 66 – Troubleshooting the Gigabit Ethernet Line Card
  • Page 69 – Password Recovery Procedure Overview; Password Recovery Procedure
  • Page 73 – Unsupported Frame Relay Commands; frf9 stac
  • Page 74 – HCCP Commands
  • Page 75 – Unsupported MPLS VPN Commands; Unsupported Telco-Return Commands
  • Page 77 – Testing with Digital Multimeters and Cable Testers; Equipment Description
  • Page 78 – Testing with TDRs and OTDRs; Testing with TDRs
  • Page 79 – Testing with Network Monitors
  • Page 80 – Testing with Network Analyzers
  • Page 81 – I N D E X
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Cisco uBR10012 Universal Broadband
Router Troubleshooting Guide

October 20 04

Text Part Number: OL-1237-01

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Summary

Page 3 - iii; C O N T E N T S; Preface; Basic Troubleshooting Tasks and Startup Issues; PEM Faults and Fan Assembly Failures; Troubleshooting PRE-1 Modules

iii Cisco uBR10012 Universal Broadband Router Troubleshooting Guide OL-1237-01 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 As...

Page 4 - iv; Troubleshooting Line Cards

Contents iv Cisco uBR10012 Universal Broadband Router Troubleshooting Guide OL-1237-01 PRE Module Not Supported 3-2 PRE-1 Module Status Screen 3-2 Booting Up with Redundant PRE-1 Modules 3-3 PRE-1 Module Faults 3-4 Ethernet Connection Problems 3-6 Console Port Serial Connection Problems 3-7 Troubles...

Page 5 - Replacing or Recovering Passwords; Unsupported Commands; Recommended Tools and Test Equipment

Contents v Cisco uBR10012 Universal Broadband Router Troubleshooting Guide OL-1237-01 C H A P T E R 5 Replacing or Recovering Passwords 7-1 Password Recovery Procedure Overview 7-1 Password Recovery Procedure 7-1 A P P E N D I X A Unsupported Commands A-1 Unsupported Frame Relay Commands A-1 HCCP Co...

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