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I always lose my bookmark for this command and have to search around for it so thought I would toss it up on the blog.

If you want to upgrade your switch IOS and use the http device manager and don’t already use it you need to upgrade your current version from the command line using:

archive download-sw tftp://tftp_server_ip/image_file_name

There are two options you can use:

/leave-old-sw leaves the current version there incase you need to downgrade or have issues

/overwrite to overwrite your current verison

If you are upgrading from a normal .bin image you will have to erase that image file from flash or you will not have enough space.

Once you have the device manager running you can always upgrade it right through the site itself.

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