Supports nested virtualization (KVM) natively. VirtualBox Free, open-source alternative. Good for basic labs. Microsoft Hyper-V
Network operating systems have become more resource-intensive. For a smooth experience, ensure your host machine meets these standards:
Best for users already utilizing Windows native virtualization. Ideal for "always-on" remote lab servers. System Requirements for 2026 gns3 vm download
The is a critical component for network engineers looking to run high-performance network simulations . While the GNS3 GUI can run locally, the GNS3 VM provides a robust, Linux-based environment that optimizes the performance of resource-heavy appliances like Cisco IOSv, NX-OS, and Docker containers. Direct Download Links (Latest Version)
: 4 GB RAM, 2 Logical Cores, and Virtualization (VT-x/AMD-V) enabled in BIOS. Supports nested virtualization (KVM) natively
: Latest Assets on GitHub (Direct downloads for .zip archives). SourceForge Mirror : GNS3 VM on SourceForge . Hypervisor Recommended Use Case Download Link VMware Workstation/Fusion
To ensure compatibility, you must download the version of the GNS3 VM that exactly matches your GNS3 GUI version (currently as of early 2026). Microsoft Hyper-V Network operating systems have become more
: 16 GB RAM, 4+ Cores, and an SSD with at least 35 GB of free space.
Supports nested virtualization (KVM) natively. VirtualBox Free, open-source alternative. Good for basic labs. Microsoft Hyper-V
Network operating systems have become more resource-intensive. For a smooth experience, ensure your host machine meets these standards:
Best for users already utilizing Windows native virtualization. Ideal for "always-on" remote lab servers. System Requirements for 2026
The is a critical component for network engineers looking to run high-performance network simulations . While the GNS3 GUI can run locally, the GNS3 VM provides a robust, Linux-based environment that optimizes the performance of resource-heavy appliances like Cisco IOSv, NX-OS, and Docker containers. Direct Download Links (Latest Version)
: 4 GB RAM, 2 Logical Cores, and Virtualization (VT-x/AMD-V) enabled in BIOS.
: Latest Assets on GitHub (Direct downloads for .zip archives). SourceForge Mirror : GNS3 VM on SourceForge . Hypervisor Recommended Use Case Download Link VMware Workstation/Fusion
To ensure compatibility, you must download the version of the GNS3 VM that exactly matches your GNS3 GUI version (currently as of early 2026).
: 16 GB RAM, 4+ Cores, and an SSD with at least 35 GB of free space.