Users interested in Gns3 latest version free download generally download:
Emulate the behavior of a real network and test the performance of various hardware without actually spending the money to buy it. The tool includes ample documentation on its functionality and supports an unlimited number of network components such as rotuers, switches, firewalls, guests, etc.
Dynamips is a software that emulates Cisco IOS on a traditional PC.GNS3 is based on Dynamips and Dynagen (a text-based front-end for Dynamips) to create a complete virtual Cisco network, adding many additional features and most importantly making it easy to create, change and save your network topologies
