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CF-919
Cisco IOS Configuration Fundamentals Command Reference
July 2008
Usage Guidelines This command displays information about the Cisco IOS software version currently running on a routing
device, the ROM Monitor and Bootflash software versions, and information about the hardware
configuration, including the amount of system memory. Because this command displays both software and
hardware information, the output of this command is the same as the output of the show hardware command.
(The show hardware command is a command alias for the show version command.)
Specifically, the show version command provides the following information:
Software information
Main Cisco IOS image version
Main Cisco IOS image capabilities (feature set)
Location and name of bootfile in ROM
Bootflash image version (depending on platform)
Device-specific information
Device name
System uptime
System reload reason
Config-register setting
Config-register settings for after the next reload (depending on platform)
Hardware information
Platform type
Processor type
Processor hardware revision
Amount of main (processor) memory installed
Amount I/O memory installed
Amount of Flash memory installed on different types (depending on platform)
Processor board ID
The output of this command uses the following format:
Cisco IOS Software, <platform> Software (<image-id>), Version <software-version>,
<software-type>
Technical Support: http://www.cisco.com/techsupport
Copyright (c) <date-range> by Cisco Systems, Inc.
Compiled <day> <date> <time> by <compiler-id>
ROM: System Bootstrap, Version <software-version>, <software-type>
BOOTLDR: <platform> Software (image-id), Version <software-version>, <software-type>
12.2(33)SRA This command was integrated into Cisco IOS Release 12.2(33)SRA.
Cisco IOS XE Release
2.1
This command was introduced on the Cisco ASR 1000 Series Routers, and
the following enhancements were introduced:
the command became available in diagnostic mode.
the rp-slot, installed, user-interface, provisioned, and running
options all became available for the first time.
Release Modification