Pack Images [new]: Gns3 Full

If you have an old Cisco router (like a 2611XM or 1841) or access to one at work, you can use a TFTP server to copy the IOS from the router's flash memory to your computer. This is the only fully legal way to use Cisco IOS images in GNS3.

Modern devices (Cisco VIRL/CML, Arista, Juniper, Checkpoint) are usually imported as Qemu/KVM virtual machines using Docker Containers: gns3 full pack images

The Reality of "GNS3 Full Pack" Images: A Practical Guide Finding a "full pack" of GNS3 images can be the holy grail for networking students, but it is often misunderstood. Because GNS3 is an emulator that runs actual network operating systems, it does not come with images pre-installed due to strict legal and licensing restrictions. If you have an old Cisco router (like