Unlike routers (which run seamlessly on Cisco IOS in GNS3), switches—especially the Catalyst 2960 series—present a unique challenge. GNS3 cannot natively emulate the Application-Specific Integrated Circuits (ASICs) found in physical switches. This is where the search for the correct "Cisco 2960 switch IOS download for GNS3" becomes critical.
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: You can legally obtain "vIOS-L2" images by purchasing a personal Cisco Modeling Labs subscription. These images are specifically built for virtualization. GNS3 Cisco 2960 Appliance cisco 2960 switch ios download for gns3