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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
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
CHAPTER
4 Troubleshooting Line Cards 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-12 Packet-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