Table; Command; Show Platform [Nodeid]; Description - Cisco CRS-1 - Carrier Routing System Router Getting Started Manual

Basic Troubleshooting Commands

Basic Troubleshooting Commands
The following sections describe some basic techniques used to determine connectivity to another device,
and to display information on the configuration and operation of a router.
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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. All
show commands (except show configuration) are entered in EXEC mode.
common show commands.
To display a complete list of the available show commands, enter the show ? command to access the
onscreen help system.

Table 9-1

Common show Commands in Cisco IOS XR Software

Command

show bootvar
show configuration
show context (and show exception)
show controller
show debug
show environment [all | fans | leds |
power-supply | table | temperatures
| voltages | l]
show exception
show install
show interfaces
show logging
show memory
show platform
show process blocked
show redundancy
show running-config [command]
Cisco CRS-1 Series Carrier Routing System Getting Started Guide
9-2
Using show Commands to Display System Status and Configuration, page 9-2
Using the ping Command, page 9-3
Using the traceroute Command, page 9-3
Using debug Commands, page 9-4

Description

Displays the boot variables.
Displays the uncommitted configuration changes made during a configuration
session. This command can be entered in any configuration mode.
Displays context information about all recent reloads.
Displays hardware controller information.
Displays debug flags enabled from the current terminal.
Displays hardware information for the physical components and systems, including
fans, LEDs, power supply voltage and current information, and temperatures.
Displays all exception dump configurations.
Displays installed and active software packages.
Displays interface status and configuration.
Displays the contents of logging buffers.
Displays memory statistics.
Displays information about node status on the router.
Displays blocked processes.
Display the status of the primary (active) Route Processor (RP) and the standby
(redundant) RP.
Displays the current running configuration. This command can be entered in either
configuration or EXEC mode.
Chapter 9 Troubleshooting the Cisco IOS XR Software
Table 9-1 lists some of the