You can download a new image file and replace the current image or keep the current image.
Beginning in privileged EXEC mode, follow Step 1 to download a new image from a TFTP server and to overwrite the existing image. To keep the current image, follow Step 2.
(Optional) Downloads the image files from the TFTP server to the switch, and overwrites the current image.directory—(Optional) Specifies a directory for the images./overwrite— Overwrites the software image in flash memory with the downloaded image./reload— Reloads the system after downloading the image unless the configuration has been changed and not been saved.//location —The IP address of the TFTP server./ directory/image-name1.tar [/ directory/image-name2.tar image-name3.tar image-name4.tar ]—The directory (optional) and the images to download.
(Optional) Downloads the images file from the TFTP server to the switch, and saves the current image.directory—(Optional) Specifies a directory for the images./leave-old-sw —Saves the old software version after a download./reload— Reloads the system after downloading the image unless the configuration has been changed and not been saved.//location —The IP address of the TFTP server./ directory/image-name1.tar [/ directory/image-name2.tar image-name3.tar image-name4.tar ]—The directory (optional) and the images to download.
If you get those error messages :
Error: The image in the archive which would be used to upgrade
Error: system number 1 does not support the same feature set.
This is because Cisco has added a check into there upgrade process to prevent you from accidentally changing the feature set during an IOS upgrade. This is a really nice sanity check since changing feature sets on a production switch could really ruin your day.
To bypass this check, add the /allow-feature-upgrade parameter to the archive download-sw command.
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