Contents

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

Troubleshooting Common System Problems

3-8

 

 

 

 

 

 

 

 

 

Troubleshooting System Crashes

3-8

 

 

 

 

 

 

 

 

 

 

High CPU Utilization Problems 3-9

 

 

 

 

 

 

 

 

 

 

ARP Traffic

3-9

 

 

 

 

 

 

 

 

 

 

 

 

 

CPUHOG Errors

3-11

 

 

 

 

 

 

 

 

 

 

 

Debug and System Messages

3-11

 

 

 

 

 

 

 

 

 

Exec and Virtual Exec Processes

3-11

 

 

 

 

 

 

 

 

 

Interrupts are Consuming a Large Amount of Resources

3-12

 

 

 

 

 

 

Invalid Scheduler Allocate Configuration

3-12

 

 

 

 

 

 

 

 

IP Input Processing

3-12

 

 

 

 

 

 

 

 

 

 

 

One or More Processes is Consuming an Excessive Amount of Resources 3-12

 

 

 

 

 

Problems with Access Lists

3-13

 

 

 

 

 

 

 

 

 

 

SNMP Traffic

3-13

 

 

 

 

 

 

 

 

 

 

 

 

Bus Errors

3-13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Memory Problems

3-15

 

 

 

 

 

 

 

 

 

 

 

 

Alignment Errors

3-15

 

 

 

 

 

 

 

 

 

 

 

Low Memory Errors

3-16

 

 

 

 

 

 

 

 

 

 

 

Memory Parity Errors

3-16

 

 

 

 

 

 

 

 

 

 

 

Particle Pool Fallbacks 3-17

 

 

 

 

 

 

 

 

 

 

 

Spurious Interrupts

3-18

 

 

 

 

 

 

 

 

 

 

 

Spurious Memory Accesses

3-19

 

 

 

 

 

 

 

Troubleshooting Line Cards

 

 

 

 

 

 

 

C H A P T E R 4

 

4-1

 

 

 

 

 

 

 

 

 

 

 

General Information for Troubleshooting Line Card Crashes

4-2

 

 

 

 

 

 

 

Cache Parity Errors

4-4

 

 

 

 

 

 

 

 

 

 

 

 

Bus Errors

4-5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Software-Forced Crashes

4-6

 

 

 

 

 

 

 

 

 

 

 

Troubleshooting the Timing, Communication, and Control Plus Card 4-8

 

 

 

 

 

Troubleshooting the OC-12Packet-Over-SONET Line Card

4-12

 

 

 

 

 

 

 

Troubleshooting the OC-12 Dynamic Packet Transport Spatial Reuse Protocol WAN Card 4-14

 

 

 

 

 

Troubleshooting the Cisco uBR10012 OC-48 DPT/POS Line Card

4-16

 

 

 

 

 

 

Troubleshooting the Gigabit Ethernet Line Card

4-18

 

 

 

 

 

 

 

Cisco uBR10012 Universal Broadband Router Troubleshooting Guide

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

iv

 

 

 

 

 

 

 

 

 

 

 

 

OL-1237-01

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Page 4
Image 4
Cisco Systems UBR10012 manual ARP Traffic