GNS3 developers released it’s 1.4 version and announced from twitter account. Beside the fixes, new features are also coming with the latest release. Before listing the release notes, we want to give some basic properties of the software.

GNS3 is a FREE software under GPLv3 licensing. The source code is freely available on GitHub and can be modified. You can use it in a commercial setting (if you work for a company you can use the program to build and design network topologies in your company’s network or in your customer’s network’s). The FAQ section has all the answers for your other questions.

GNS3 is a network emulator application and allows you to visualize, plan, test and troubleshoot network environments across any vendor platform at scale – without the need to directly interact with the network hardware. With the intuitive graphical interface, users can seamlessly connect all types of virtual interfaces to compose a real representation of networks. It runs on traditional PC hardware and may be used on multiple operating systems, including Windows, Linux, and MacOS X.

Key features listed below.

  • Real-time network simulation without the need for network hardware
  • Test different network vendors in risk-free virtual environment
  • Create dynamic network maps for troubleshooting
  • Connect GNS3 to any real network
  • Customized topologies and labs within GNS3 for network certification training

You can look for the detailed information on application’s web site in which “Who uses” part is also interesting.

GNS3 1.4 Features and Improvements

  • The GNS3 VM, its official Virtual Machine with IOU, Qemu and Dynamips installed. The VM can easily be upgraded.
  • Simple appliance installation using .gns3a files you can download from its Marketplace
  • VMware integration (VMware Workstation & Fusion).
  • Custom symbols support.
  • Remote packet capture support.
  • Auto upload of images/appliances to remote server.
  • VNC support for Qemu based appliances.
  • Retina display support on Mac OS X.
  • A setup wizard.

Download link and other how to steps can be found in this blog post about the new release 1.4