show version

To display information about the software version, use the show version command.

show version [ fex chassis_ID | image filename ]

Syntax Description

fex chassis_ID
(Optional) Specifies the Fabric Extender chassis ID. The chassis ID is from 100 to 199.
image filename
(Optional) Displays the version information for a system or kickstart image file.

Command Default

Displays software version information for the running kickstart and system images.

Command Modes

EXEC mode

Command History

This command was introduced.
This command was modified to provide Fabric Extender support.


This example shows how to display the version information for an attached Fabric Extender:

switch# show version fex 100
Bootloader version: 1.12
System boot mode: primary
System image version: 4.2(1)N2(1) [build 4.2(1)N2(1)]
Module: Fabric Extender 48x1GE Module
CPU: Motorola, e300c1
Serial number: JAF1302ABDP
Bootflash: locked
Kernel uptime is 0 day(s), 9 hour(s), 9 minutes(s), 16 second(s)
Last reset at Fri Jul 02 04:27:04 2010
Reason: Reset Requested by CLI command reload
Service: Reload requested by supervisor

This example shows how to display the version information for the kickstart and system image running on a device that runs Cisco NX-OS Release 5.0(2)N2(1):

switch# show version
Cisco Nexus Operating System (NX-OS) Software
TAC support:
Copyright (c) 2002-2010, Cisco Systems, Inc. All rights reserved.
The copyrights to certain works contained herein are owned by
other third parties and are used and distributed under license.
Some parts of this software are covered under the GNU Public
License. A copy of the license is available at
BIOS: version 1.3.0
loader: version N/A
kickstart: version 5.0(2)N2(1) [build 5.0(2)N2(1)]
system: version 5.0(2)N2(1) [build 5.0(2)N2(1)]
power-seq: version v1.2
BIOS compile time: 09/08/09
kickstart image file is: bootflash:/sanity-kickstart
kickstart compile time: 12/6/2010 7:00:00 [12/06/2010 07:35:14]
system image file is: bootflash:/sanity-system
system compile time: 12/6/2010 7:00:00 [12/06/2010 08:56:45]
cisco Nexus5010 Chassis ("20x10GE/Supervisor")
Intel(R) Celeron(R) M CPU with 2073416 kB of memory.
Processor Board ID JAF1228BTAS
Device name: BEND-2
bootflash: 1003520 kB
Kernel uptime is 0 day(s), 3 hour(s), 30 minute(s), 45 second(s)
Last reset
Reason: Unknown
System version:
Core Plugin, Ethernet Plugin, Fc Plugin