With that said some images can be downloaded for free, I was able to download the images for the 2960cx for free. You may need a Cisco smartnet contract for your equipment to download an image. Not all IOS images can be downloaded for free. If you don’t have an account you will need to create one, the account is free.
You will need to log into the Cisco website to download an IOS image. These commands are useful during an upgrade to check what version you are currently running and to verify new IOS images are loaded. Switch#show file systemīelow is a screenshot of the show flash command from my switch This command needs to be run from exec mode.
If this command does not work run show file system to list the available file systems. You can also check what IOS images are loaded to the file system of your equipment by running the show flash command. show versionīelow you can see the output from my switch, it shows the current IOS version is 15.2(4)E6. To check your current switch version and model run this command. Here are the steps for upgrading the IOS using FTP. I strongly recommend testing any new images before rolling them out into production. It is recommended to keep your equipment updated, it can be risky to run an IOS image that is 2 years old. In this tutorial, I’ll be upgrading a Cisco 2960cx switch, the steps should be the same for other IOS models including routers.Ĭisco releases new IOS images to fix bugs, security issues and to add new features. I’ll show you two methods, the 1st is upgrading IOS using FTP and the 2nd is using a USB drive. In this tutorial, you will learn how to upgrade the IOS image on a Cisco switch.
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