Cisco ASR 9000 Getting Started Manual page 8

Contents
Additional Sources for Information
Basic Troubleshooting Commands
Using show Commands to Display System Status and Configuration
Using the ping Command
Examples
6-2
Using the traceroute Command
Examples
6-3
Using debug Commands
Viewing a List of Debug Features
Enabling Debugging for a Feature
Viewing Debugging Status
Disabling Debugging for a Service
Disabling Debugging for All Services Started at the Active Terminal Session
Disabling Debugging for All Services Started at All Terminal Sessions
Configuration Error Messages
Configuration Failures During a Commit Operation
!Configuration Errors at Startup
Memory Warnings in Configuration Sessions
Understanding Low-Memory Warnings in Configuration Sessions
"WARNING! MEMORY IS IN MINOR STATE"
"ERROR! MEMORY IS IN SEVERE (or CRITICAL) STATE"
Viewing System Memory Information
Removing Configurations to Resolve Low-Memory Warnings
Clearing a Target Configuration
Removing Committed Configurations to Free System Memory
Rolling Back to a Previously Committed Configuration
Clearing Configuration Sessions
Contacting TAC for Additional Assistance
Interfaces Not Coming Up
Verifying System Interfaces
A
A P P E N D I X
Understanding Regular Expressions, Special Characters, and Patterns
Contents
A-1
Regular Expressions
Special Characters
A-2
Character Pattern Ranges
Multiple-Character Patterns
Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide
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