Chapter 7 Troubleshooting the Cisco IOS XR Software

Basic Troubleshooting Commands

Table 7-1

Common show Commands in Cisco IOS XR Software (continued)

 

 

 

Command

 

Description

 

 

 

show interfaces

 

Displays interface status and configuration.

(EXEC mode)

 

 

 

 

 

show logging

 

Displays the contents of logging buffers.

(EXEC and administration EXEC

 

modes)

 

 

 

 

 

show memory

 

Displays memory statistics.

(EXEC and administration EXEC

 

modes)

 

 

 

 

 

show platform

 

Displays information about node status on the router. To display the nodes assigned

(EXEC and administration EXEC

to an SDR, enter this command in EXEC mode. To display all the nodes in a router,

enter this command in administration EXEC mode.

modes)

 

 

 

 

 

show processes blocked

Displays blocked processes.

(EXEC and administration EXEC

 

modes)

 

 

 

 

show redundancy

Display the status of the primary (active) route processor (RP) and the standby

(EXEC and administration EXEC

(redundant) RP.

 

modes)

 

 

 

 

show running-config [command]

Displays the current running configuration.

(EXEC and administration EXEC

 

modes)

 

 

 

 

show tech-support

Collects a large amount of system information for troubleshooting. The output should

(EXEC and administration EXEC

be provided to technical support representatives when a problem is reported. Because

of the impact the command can have on a running system, it is reserved for users

modes)

 

 

assigned to the cisco-support task ID.

 

 

 

 

show user [group tasks all]

Displays the username for the current logged-in user. Use this command to also

(EXEC mode)

 

display the groups and associated task IDs assigned to the account.

 

 

 

 

 

show version

 

Displays basic system information.

(EXEC and administration EXEC

 

modes)

 

 

 

 

 

Using the ping Command

Use the ping command to diagnose network connectivity. In EXEC mode, enter a hostname or an IP address as an argument to this command. In administration EXEC mode, you can use the fabric or the control Ethernet network (in a multishelf system) to ping other nodes.

The ping command sends an echo request packet to a destination, then awaits a reply. Ping output can help you evaluate path-to-destination reliability, delays over the path, and whether the destination can be reached or is functioning.

Cisco IOS XR Getting Started Guide

 

OL-10957-02

7-3

 

 

 

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Cisco Systems Cisco IOS XR manual Using the ping Command