These are the traditional Cisco router images that run on the Dynamips emulator. They are relatively light on CPU and memory, making it possible to run many of them in a single topology. GNS3’s documentation recommends the series for their proven stability in simulations.
Remember that with great power comes great responsibility – always respect vendor licensing and intellectual property rights. The goal of network simulation is to learn and innovate, and doing so on a legally sound foundation is part of being a true professional in the field.
Contents of a Typical Full Pack A well-built full pack usually includes: gns3 full pack images
Create a structured directory (e.g., D:\GNS3_Images ):
These are heavy-duty images. Use them to learn service provider technologies (MPLS, BGP) or data center fabric (Cisco Nexus). Non-Cisco Vendor Support These are the traditional Cisco router images that
Essential for those pursuing JNCIE certifications or working in carrier-grade environments.
| Pack Name | Source | Images Included | Cost | |-----------|--------|----------------|------| | | Cisco.com | IOSv, IOSvL2, ASAv, NX-OSv, Linux | $199/year | | GNS3 Marketplace Bundle | gns3.com | Community-curated appliances (bring your own images) | Free | | EVE-NG Community Images | eve-ng.net | Interoperable with GNS3 (convert via qemu-img) | Free for images you own | | Ubuntu/GNS3 Docker Pack | Docker Hub | Dockerized hosts (Alpine, Ubuntu, Kali) | Free | | VyOS Community Image | vyos.io | VyOS 1.4 LTS (router with BGP/OSPF) | Free | Remember that with great power comes great responsibility
Once you have acquired a set of images, importing them into GNS3 is straightforward. The specific steps vary depending on the image type.
Available for free download via the Arista Software Downloads portal (requires a free registration).
Let’s design a topology that uses multiple images from a typical full pack:
Place all images in a path without spaces (e.g., C:\GNS3\images not C:\Program Files\GNS3\my images ).