The name of this tool stands for graphical network simulator and is an exciting very powerful network simulator that can help you setup your network. This software is very effective and useful for those who are trying to set up a topology network or for those who are trying to use it to train. It contains a whole lot of features and capabilities that help you work on your network and grant you the flexibility that you need. Basically, this application helps you do is it graphically helps you stimulate networks and you can easy to design and configure virtual networks. It was designed to be used on Cisco desktop computers.
It also works with Ccna Lab which means you can either be a network administrator or a network engineer. It is very easy to install and operate whatever you need to do already within the network explanation who is this software you will be able to run your network simulation is that having to buy a real network and learn the same way as you would if it was in real network.
It is known by a lot of engineers and its level of accuracy makes it the best choice for creating virtual networks, what it helps you do is to create an ios image within your network topology and this goes a long way in simulating real life network topology.
GNS3 is licensed as freeware for PC or laptop with Windows 32 bit and 64 bit operating system. It is in network testing category and is available to all software users as a free download.