Cisco makes it easy and allows you to download the file, uncompress it, and reload the switch with one command. In this case, I have it on a TFTP server on 10.10.1.27. Finally, we specify the location of the new image.
You may or may not have enough room in flash to hold multiple images. Next, we tell IOS to overwrite the existing image. This is just to indicate that we are going to download software instead of upload it (there is also a upload-sw command).
tar file (an archive) we need to decompress the file to the local flash memory. From priviledged mode, simply enter the follow commands: Switch# archive download-sw /overwrite /reload t If you decide to use the tar file, upgrading the IOS is simple. Alternatively, if you don’t need all the extras, Cisco can provide a single. Instead of packaging everything individually, Cisco creates a tar file with all the files. When you download an IOS from Cisco, some version include extra files in the package such as an SDM interface.
This is when I learned that there are two main methods to upgrading your IOS devices. The problem was that the IOS downloaded from Cisco was a. At my first job working with actual Cisco devices, I was tasked with upgrading a 3560. bin file to the flash drive of the device you are upgrading. When I finished with the Cisco Networking Academy, I learned that upgrading an IOS was as simple as copying the new IOS.
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