Cisco IE-3000-8TC Administration Guide - Page 389
The MD5 checksum and Automatically Switch
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Setting Description MD5 Checksum and Automatically Switch Versions The MD5 checksum and Automatically Switch Versions settings display before the upgrade starts. If you enter a MD5 checksum, which is optional, the system compares the value that you entered to the value for the uploaded upgrade file. If the system determines that the values do not match, the upgrade is automatically cancelled because the upgrade file appears to be corrupted. The MD5 checksum setting is disabled for upgrades of ISO images that are uploaded through DVD. For upgrades of ISO images, you must select Yes to automatically switch the version after the upgrade is completed. A restart of the server automatically occurs after the upgrade is complete. Note If you are upgrading from Cisco Business Edition 3000 Release 8.5 to 8.6, Automatically Switch Versions option is not applicable. Regardless of the option you select, the system will automatically restart after successful completion of the upgrade. Status of Upgrade Cisco Business Edition 3000 displays status of the download of the file, the validation of the MD5 checksum, and the progress of the upgrade. To stop the upgrade, click Cancel. Note If you are upgrading from Cisco Business Edition 3000 Release 8.5 to 8.6, the Cisco Business Edition 3000 Administrative Interface will not be available until the upgrade is complete (this might take several hours). If you want to monitor the upgrade progress, you must connect an external monitor to the Cisco Business Edition 3000 server. OL-27022-01 Administration Guide for Cisco Business Edition 3000, Release 8.6(4) 369
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