Users Guide

11. If the saved configuration from Release 10.5.1.0 (or the later release to which you are downgrading to) is available, apply the
saved configuration and license files, and reload the switch.
OS10# copy ftp://userid:passwd@hostip/filepath/10.5.1.0-startup.xml config://
startup.xml
OS10# license install scp://user:passwd@hostip/0A900Q2-NOSEnterprise-License.xml
OS10# reload
NOTE: While reloading, if the CLI prompts to save, select no for the save option. Selecting yes overrides the
configuration that was copied earlier.
NOTE: If you have made any non-default hardware settings before the downgrade, after you downgrade and restore
the configuration, use the show hardware command to check if your settings are applied. If not, save and reload the
box for the settings to be applied.
On the S4100-ON Series switches, if you have a non-default switch port profile configured, this setting might not be
applied. Apply the switch port profile configuration first, save the configuration, and then restore the configuration file.
12. If the saved configuration file from Release 10.5.1.0 (or the later release) that you are downgrading to is not available,
apply the backup text configuration (.txt) taken earlier. Ensure that the backup configuration text file does not have any
unsupported commands (commands that are introduced in later releases). If unsupported commands are present in the text
file, the system reports an error. If any of the configurations require a reload, you might have to reload the switch.
OS10# copy ftp://userid:passwd@hostip/filepath/backup-running-configuration.txt
running-configuration
OS10# write memory
OS10# reload
Rollback from OS10 release 10.5.2.0 or later to
10.5.0.x or earlier
To move to an earlier release, use the rollback script that is bundled with your OS10 software image. Using the rollback
script retains the earlier configuration and license information. You can use the rollback option only when the previous image
is available in the system as the standby image. To view the version of the standby image, Use the show boot detail
command.
NOTE:
The rollback script reboots the OS10 switch immediately. The system removes any configuration changes that you
have made in the new release when you run the rollback script.
To roll back, from the Linux shell prompt, enter:
OS10# system bash
bash (OS10) $ sudo os10-rollback-to-old-image
NOTE:
After rollback is complete, the system comes up with the previous release. However, the standby image becomes
nonbootable. To boot using the standby image, you have to install the image again using the image install command.
Rollback from OS10 release 10.5.2.0 or later to
10.5.1.0 or later
The following rollback procedure retains the earlier configuration and license information. You can use the rollback option only
when the previous image is available in the system as the standby image. To view the version of the standby image, use the
show boot detail command.
If the version that you are downgrading to is present in the system as the standby image, you can rollback to that release
without losing any configuration or license data.
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Downgrading OS10 software