Table Of Contents
Troubleshooting Cisco 7100 Series Routers
Troubleshooting Cisco 7100 Series Routers
General Troubleshooting
Router Architecture
Router Maintenance
Understanding Cisco IOS Command Outputs
Understanding Error Messages
Additional Tools
Troubleshooting Cisco 7100 Series Routers
General Troubleshooting
Router Architecture
Router Maintenance
Understanding Cisco IOS Command Outputs
Understanding Error Messages
Additional Tools
More Information
Troubleshooting Cisco 7100 Series Routers
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General Troubleshooting
•
Troubleshooting Buffer Leaks
•Troubleshooting High CPU Utilization on Cisco Routers
•Troubleshooting Memory Problems - SYS-2-MALLOCFAIL
•Troubleshooting Router Crashes
–Bus Error Crashes
–Parity Errors
–Restarted by Power-On
–Restarted By "Abort" or "Trace Trap"
–Software Forced Crashes
–Watchdog Timeouts
–Other Crashes
•Troubleshooting Router Hangs
Router Architecture
•Buffer Tuning
•Maximum Number of Interfaces and Subinterfaces for Cisco IOS Platforms:IDB Limits
•PCMCIA Filesystem Compatibility Matrix
•Performance Tuning Basics
•Software Advisor (available to registered CCO users)
Router Maintenance
•Boot Failure Recovery Procedures
•Dealing with mallocfail and High CPU Utilization Resulting From the "Code Red" Worm
•Password Recovery Procedures
•Standard Break Key Sequence Combinations During Password Recovery
Understanding Cisco IOS Command Outputs
•The show processes Command
•Troubleshooting Ethernet Collisions
•Troubleshooting Input Queue and Output Queue Drops
•Understanding the Ping and Traceroute Commands
Understanding Error Messages
•Cisco Error Message Decoder Tool (available to registered CCO users)
•Spurious Accesses and Alignment Errors
•Troubleshooting CEF-Related Error Messages
•What Causes %SYS-3-CPUHOG Messages?
Additional Tools
•Bug Toolkit (available to registered CCO users)
•Cisco IOS Command Lookup Tool
•Cisco IOS Upgrade Planner for 7100 Series Routers (available to registered CCO users)
•Field Notices
•Output Interpreter (available to registered CCO users)
•Software Advisor (available to registered CCO users)
•Stack Decoder Tool (available to registered CCO users)
