There are two primary ways to obtain the necessary IOS image.
This is the modern standard for Cisco switching in GNS3. It is a virtualized Layer 2 image that supports most features needed for labbing. You can find appliance details on the Cisco IOSvL2 - GNS3 marketplace. cisco 4500 switch ios download for gns3
But Alex knew. And every time he booted that 4500, he heard the whisper of the old hard drive, the click of a decade-old file saving his career one more time. There are two primary ways to obtain the necessary IOS image
If you have a valid Cisco service contract (SmartNet): cisco 4500 switch ios download for gns3