S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
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Determining the Software Version
To determine the version of Cisco MDS NX-OS or SAN-OS software currently running on a Cisco MDS
9000 Family switch using the CLI, log in to the switch and enter the show version EXEC command.
To determine the version of Cisco MDS NX-OS or SAN-OS software currently running on a Cisco MDS
9000 Family switch using the Fabric Manager, view the Switches tab in the Information pane, locate the
switch using the IP address, logical name, or WWN, and check its version in the Release column.
Determining Software Version Compatibility
Table 7
software versions that are supported, and the versions that have been tested. We recommend that you use
the latest software release supported by your vendor for all Cisco MDS 9000 Family products.
Table 7
NX-OS Software
NX-OS Release 5.0(4b)
Fabric Manager Software
Fabric Manager Release
5.0(4b)
Downloading Software
The Cisco MDS NX-OS software is designed for mission-critical high availability environments. To
realize the benefits of nondisruptive upgrades on the Cisco MDS 9500 Directors, we highly recommend
that you install dual supervisor modules.
To download the latest Cisco MDS NX-OS software, access the Software Center at this URL:
http://www.cisco.com/public/sw-center
See the following sections in this release note for details on how you can nondisruptively upgrade your
Cisco MDS 9000 switch. Issuing the install all command from the CLI, or using Fabric Manager to
perform the downgrade, enables the compatibility check. The check indicates if the upgrade can happen
nondisruptively or disruptively depending on the current configuration of your switch and the reason.
Compatibility check is done:
Module
OL-21012-04
Selecting the Correct Software Image for an MDS 9200 Series Switch, page 14
Selecting the Correct Software Image for an MDS 9500 Series Switch, page 15
lists the software versions that are compatible in a mixed SAN environment, the minimum
Software Release Compatibility
bootable
Impact
Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 5.0(4b)
Minimum NX-OS or SAN-OS
Release
SAN-OS Release 3.3(1c) or later SAN-OS Releases 3.3(1c), 3.3(5)
NX-OS Release 4.1(1b) or later
Minimum NX-OS or SAN-OS
Release
SAN-OS Release 3.3(1c) or later SAN-OS Release 3.3(1c), 3.3(5)
NX-OS Release 4.1(1b) or later
NX-OS Release 5.0(4b) or later
Install-type
Reason
Software Download Process
Tested NX-OS and SAN-OS
Releases
NX-OS Releases 4.1(1b), 4.2(7a)
Tested NX-OS and SAN-OS
Releases
NX-OS Release 4.1(1b), 4.2(7a)
NX-OS Release 5.0(4b)
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