show version
Release | Modification |
12.2(33)SRA | This command was integrated into Cisco IOS Release 12.2(33)SRA. |
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Cisco IOS XE Release | This command was introduced on the Cisco ASR 1000 Series Routers, and |
2.1 | the following enhancements were introduced: |
| • the command became available in diagnostic mode. |
| • the |
| options all became available for the first time. |
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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)
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–Device name
–System uptime
–System reload reason
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•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
Technical Support: http://www.cisco.com/techsupport
Copyright (c)
Compiled <day> <date> <time> by
| ROM: System Bootstrap, Version |
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| BOOTLDR: <platform> Software | ||||
| Cisco IOS Configuration Fundamentals Command Reference |
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| July 2008 |
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