It is highly effective in emulating enterprise networks.
It is a Python-based platform and supports Cisco 1700, 2600, 2691, 3600, 3725, 3745, as well as 7200 router platforms. GNS3 or Graphical Network Simulator-3 is an open-source, free server/client interface meant for virtualization and network emulation.Let us understand them briefly prior to drawing the lines of comparison among them. But when it comes to opting between the finest virtual simulation interfaces, then the comparison is ought to be between GNS3 vs Eve-NG vs VIRL.
There is a range of network emulators that one can opt for in order to access premium quality virtual network simulation.