Network and Security

Installing and Config GNS3 on Windows 7  PDF Guide for GNS3 installation: Download GNS3 PDF guide     Before learning how to install the Graphic Network Simulator or GNS3 on a computer, it is important to understand what the application is, how it works, and where it can be used. GNS3 is a GUI-based software application that is used by most networking scholars and network professionals to learn and establish Cisco-based network topologies in a virtual environment. In other words, GNS3 can be compared to VMware Workstation or Microsoft Virtual PC with the difference that in these 2 scholars and administrators can create and use the virtual machines having Windows, Mac, or Linux as guest operating systems, whereas in the GNS3 they can create and use virtual routers. Virtual routers created and configured in the application can be mapped with the physical NIC (the LAN card on the host computer) so that the virtual router topology can interact with the physical