Morover, network devices are not limited to Cisco devices and a lot of network device images can be used in the GNS3 virtual environment to simulate a real enterprise network. The following network appliances are provided in GNS3 marketplace :

  • Fortigate
  • MikroTik
  • Aruba vEOS
  • Palo Alto next generation firewall (PA-VM)
  • Cisco CSR1000V
  • Cisco NxOSv
  • Cisco ASAv
  • Open vSwitch
  • Juniper vMX
  • ...

GNS3 3.0.0 new features

Upgraded GNS3 VM

GNS3 3.0 is provided with a new linux GNS3 VM compatible with VMware, Hyper-V, or VirtualBox. It is based on Ubuntu 22.04 and now supports SSL encryption for improved security.

GNS3 web interface

The GNS3 3.0.0 web interface features various improvments :

  • A new image manager allowing centralized management of all Qemu, Dynamips and IOU images and automatic appliances download from GNS3 marketplace
  • Faster project import/export
  • Multi-user management with RBAC security
  • ...

GNS3 3.0.0 deprecated features

The GNS3 server is now only compatible with a linux environment and can't be used in a Windows or macOS environment anymore. Use of the GNS3 VM is highly recommended. Python <= 3.8 is no longer supported by GNS3 server.

Running network devices images in VirtualBox and VMware virtual machine is not recommended anymore versions and it is highly adviced to run only Qemu VM in GNS3 projects.