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 7-1lists 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

Displays the boot variables.

(EXEC and administration EXEC

 

modes)

 

 

 

 

 

 

show configuration

Displays the uncommitted configuration changes made during a configuration

(Global configuration and

session. This command can be entered in any configuration mode.

 

administration configuration modes)

 

 

 

show context (and show exception)

Displays context information about all recent reloads.

(EXEC and administration EXEC

 

modes)

 

 

 

 

 

 

 

 

 

show controller

 

 

 

Displays hardware controller information.

(Administration EXEC mode)

 

 

 

show controllers

Displays hardware controller information.

(EXEC mode)

 

 

 

 

 

 

 

 

 

show debug

 

 

 

Displays debug flags enabled from the current terminal.

(EXEC and administration EXEC

 

modes)

 

 

 

 

 

 

show environment [options]

Displays hardware information for the physical components and systems, including

(EXEC and administration EXEC

fans, LEDs, power supply voltage and current information, and temperatures. To view

the command options, enter the show environment ? command.

modes)

 

 

 

 

 

 

 

 

 

 

 

 

show exception

 

 

 

Displays all exception dump configurations.

(EXEC and administration EXEC

 

modes)

 

 

 

 

 

 

 

 

 

show install

 

 

 

Displays installed and active software packages.

(EXEC and administration EXEC

 

modes)

 

 

 

 

 

 

 

 

 

 

Cisco IOS XR Getting Started Guide

7-2

OL-10957-02

 

 

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Image 178
Cisco Systems Cisco IOS XR manual Show variables boot, Show context and show exception, Show controllers, Show debug