GNS3 (Graphical Network Simulator-3) is a free software development utility for Windows devices, first released in 2008. This network software emulator enables users to build, design, and test their network in a risk-free virtual environment. It allows you to combine virtual and real devices to simulate complex networks. Important to mention that GNS3 is extremely popular among many large companies, such as Exxon, Walmart, AT&T, and NASA. Besides, the tool is widely used as a teaching guide for preparing for network professional certification exams. Additionally, there is one of the largest networking communities, always ready to help others.

What is GNS3 used for?

Graphical Network Simulator-3, or GNS3, is a unique tool that empowers network professionals. It lets you build, design, and test your networks with ease. This system can be beneficial for different purposes, whether you are studying for your networking exam or building a state-wide telecommunications network. Many experts choose to work with GNS3 because it offers a graphical representation of the nodes within a system, which accurately shows real-time operations. The most significant advantage of using GNS3 is that all files are available in a ZIP format to make the installation process much easier and accessible. Besides, their remote access is offered anytime, and there is no need for an internet connection to verify a license.

Minimum requirements

Minimum system requirements are the minimum required specifications a device must have to use particular hardware or software. Your device is required to have at least Windows 7 (64-bit) if you want to use GNS3. The minimal memory is 4 GB RAM. Windows installation is less than 200MB.

Recommended requirements

In the ideal case, you must have a Windows 7 (64-bit) and later use Graphical Network Simulator-3. Your device must also have 8 GB RAM of memory. And there should be 35 GB available space.

Why should you use GNS3?

There is a list of critical reasons why Graphical Network Simulator-3 is worth your attention:

• You can easily connect GNS3 to any real network.

• It is one of the best study tools for aspiring network professionals seeking their certifications.

• This utility will help you to test your networks before you build them without too much effort.

• It allows testing various hardware vendors without the need for hardware.

Conclusion

Graphical Network Simulator-3 is a suitable utility for those working with or studying networks. There is no doubt that GNS3 will be very beneficial for everyone when bench-testing a new system or when troubleshooting an existing network. And you can use this network software emulator with its wide range of features at no cost.