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7-2
Cisco IOS XR Getting Started Guide
OL-10957-02
Chapter 7 Troubleshooting the Cisco IOS XR Software
Basic Troubleshooting Commands
• Using the traceroute Command, page 7-4
• Using debug Commands, page 7-5
Using show Commands to Display System Status and Configuration
Use show commands to check the status of various Cisco IOS XR software subsystems and services.
Table 7-1 lists some of the common show commands.
To display a complete list of the available show commands, enter the show ? command to access the
on-screen help system.
Note Different show commands are available in different command modes, and the same show command can
show different results in different command modes.
Table 7-1 Common show Commands in Cisco IOS XR Software
Command Description
show variables boot
(EXEC and administration EXEC
modes)
Displays the boot variables.
show configuration
(Global configuration and
administration configuration modes)
Displays the uncommitted configuration changes made during a configuration
session. This command can be entered in any configuration mode.
show context (and show exception)
(EXEC and administration EXEC
modes)
Displays context information about all recent reloads.
show controller
(Administration EXEC mode)
Displays hardware controller information.
show controllers
(EXEC mode)
Displays hardware controller information.
show debug
(EXEC and administration EXEC
modes)
Displays debug flags enabled from the current terminal.
show environment [options]
(EXEC and administration EXEC
modes)
Displays hardware information for the physical components and systems, including
fans, LEDs, power supply voltage and current information, and temperatures. To view
the command options, enter the show environment ? command.
show exception
(EXEC and administration EXEC
modes)
Displays all exception dump configurations.
show install
(EXEC and administration EXEC
modes)
Displays installed and active software packages.