These are special images developed by Cisco for internal testing that run as Linux processes. IOU L2 images are frequently used to simulate 2960-like behavior.
Unlike routers, which GNS3 emulates using , older physical switches like the Catalyst 2950 or 2960 use Application-Specific Integrated Circuits (ASICs) . Because Dynamips cannot emulate these ASICs, you cannot simply upload a standard .bin file from a physical 2960 switch and expect it to work like a router image. To bridge this gap, you have three primary options: cisco 2960 switch ios download for gns3
This is the modern, officially supported virtual switch image. It provides nearly 100% of the features found on a physical 2960 or 3750 switch. These are special images developed by Cisco for