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CHAPTER
7-1
Cisco IOS XR Getting Started Guide
OL-10957-02
7
Troubleshooting the Cisco IOS XR Software
This chapter describes the tools and procedures used to identify the source of hardware and software
problems. This chapter also provides instructions on gathering data for further analysis by Cisco
customer support representatives.
Contents
This chapter contains the following sections:
• Additional Sources for Information, page 7-1
• Basic Troubleshooting Commands, page 7-1
• Configuration Error Messages, page 7-7
• Memory Warnings in Configuration Sessions, page 7-9
• Interfaces Not Coming Up, page 7-13
Additional Sources for Information
For additional information on troubleshooting, see the following sources:
• If the Cisco IOS XR software does not start and display the EXEC mode prompt, see Cisco IOS XR
ROM Monitor Guide.
• The Technical Assistance Center (TAC) home page, containing 30,000 pages of searchable technical
content, including links to products, technologies, solutions, technical tips, and tools. Registered
Cisco.com users can log in from this page to access even more content.
http://www.cisco.com/public/support/tac/home.shtml
• The “Related Documents” section on page x.
Basic Troubleshooting Commands
The following sections describe some basic techniques used to determine connectivity to another device
and display information on the configuration and operation of a router.
• Using show Commands to Display System Status and Configuration, page 7-2
• Using the ping Command, page 7-3