We have used a 64-bit Windows 7 platform to create this article but the instructions should work for any flavor of Microsoft Windows. The package can be used for both 32-bit and 64-bit systems and it is available for download at. Wireshark: Wireshark is a network protocol analyzer and its version 1.10.2 packaged with GNS3 0.8.6 lets you look inside individual packets travelling across your network links.GNS3 InstallationWe will use GNS3-0.8.6-all-in-one.exe, the all-in-one GNS3 installer that includes everything you need for the GNS3 Labs for CCNA. You should use the GNS3 0.8.6 all-in-one package that includes Dynamips, Qemu, PuTTY, VPCS, WinPcap and Wireshark among others. You will find detailed instructions with screenshots to download, install, and configure the new GNS3 0.8.6. You can connect your GNS3 networks also to external virtual machines and physical devices, which makes GNS3 absolutely flexible not only for certification studies but also for proof of concept scenarios.This article covers how to setup GNS3 on Microsoft Windows from scratch. GNS3 provides an intuitive point-and-click interface to create network topologies that consist of network devices like routers as well as hosts. GNS3 is a graphical network simulator but it actually uses emulators like Dynamips and Qemu to create software equivalents of hardware devices. You may build on the knowledge gained from this article to complete GNS3 labs provided in later articles.Introduction to GNS3GNS3 is an open source software that simulates complex networks that appear very much like real networks. You will learn how to install and configure GNS3 from scratch and how to create a network topology in GNS3. This article is the first in a series named GNS3 Labs for CCNA that covers topics in the new CCNA version 2 exams. It is an invaluable tool to prepare for Cisco certifications including CCNA (Cisco Certified Network Associate), CCNP (Cisco Certified Network Professional), and beyond. GNS3 provides an easy-to-use GUI (Graphical User Interface) to design virtual networks that behave almost like real networks. GNS3 (Graphical Network Simulator) is a software that allows you to build complex networks without having physical routers and switches.
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