Cisco CRS-1 - Carrier Routing System Router Getting Started Manual page 9

Troubleshooting the Cisco IOS XR Software
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ROM Monitor Guide
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Additional Sources for Information
Basic Troubleshooting Commands
Using show Commands to Display System Status and Configuration
Using the ping Command
Using the traceroute Command
Using debug Commands
Understanding Processes and Threads
Commands Used to Display Process and Thread Details
Commands Used to Manage Process and Threads
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
Displaying System Memory Information
Removing Configurations to Resolve Low-Memory Warnings
Contacting TAC for Additional Assistance
Interfaces Not Coming Up
Verifying the System Interfaces
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Entering ROM Monitor Mode
Resetting the Configuration Register and Reloading the Router
Manually Halting the Initialization Process During System Reload
Setting Configuration Register Values
Commonly Used Configuration Register Value Settings
Changing the Configuration Register Setting from EXEC Mode
Changing the Configuration Register from ROM Monitor Mode
Reinstalling the Cisco IOS XR Software from ROMMON
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ROMMON Software Installation Overview
Locating Installable Files
.vm Filenames and Version Numbers
tar Filenames and Version Numbers
Reinstalling the Software from an Image Located on a TFTP Server
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Cisco CRS-1 Series Carrier Routing System Getting Started Guide
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