Appendix A Upgrading Your CSS Software
Upgrading Your CSS
Using the Upgrade Script
The upgrade script allows you to upgrade your CSS without having to enter any CLI commands. There are two ways to run the script:
•Automatically Running the Upgrade Script
•Interactively Using the Upgrade Script
Note If the upgrade script fails while upgrading the CSS to the same version of software that is currently running, the CSS software directory will be incomplete. To reinstall the software, you must upgrade the CSS manually (that is, FTP the .adi file to the CSS and perform a manual unpack).
Automatically Running the Upgrade Script
You can run the upgrade script to perform the software upgrade without having to enter any information. The script automatically:
•Checks to see how many installed software versions are installed on the CSS. If there are two installed versions (the maximum), the script deletes an older version.
Note The script will not offer to delete a version that you have configured as the primary or secondary boot file. On a flash
•Archives the running configuration to the startup configuration.
•Copies the new ADI to the CSS
•Unpacks the new ADI.
•Sets the primary
•Reboots the CSS.
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