Step by Step Guide installing GNS-3 in Windows XP

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While waiting for my lecture my laptop got hotspot signal. I hate waiting, so I try to install GNS-3 in my windows XP laptop.

What is GNS-3?

Taken from GNS-3 site :

"GNS-3 is a graphical network simulator that allows you to design complex network topologies. You may run simulations, or configure each device, from a simple workstation to a powerful Cisco router.

To allows complete simulations, GNS-3 is based on two existing projects:

  • NS-3 , a discrete-event network simulator for Internet systems, targeted primarily for research and educational use.
  • Dynamips, an IOS emulator which allows users to run IOS binary images from Cisco Systems.

GNS-3 is an open source product that may be used on multiple platforms, including Windows, Linux, and MacOS X.

 Features overview

In the current version (alpha release) which is still under heavy development, GNS-3 works only with Dynamips. The ns-3 simulation mode has not been implemented yet.

Currently supported features:

  • Design of high quality network topologies.
  • Emulation of Cisco routers.
  • Load-balancing on multiple hosts/hypervisors when in emulation mode.
  • Topology import and export.
  • Image exports (PNG, JPEG, BMP, XPM)."

For complete windows package download here :

This packages contains :

  • Dynamips 0.2.7
  • WinPCAP 4.0
  • Python 2.5
  • Qt 4.2.3 DLLs and the MinGW DLL.
  • PyQt 4.2
  • GNS-3

Lets install :

1. Double installer, click Yes

2. Select component to install, I already have WINPCAP 4.0 and Dynamips 0.2.7 when I use dynagen but I try to select :-) . Click  Next

3. Installation Folder, click Install

4. Click OK


5. Next

6. Next

7. I Agree

8. Click Finish

9. Python install

10. Click OK

11. Yes


12. Next


13. I Agree



14. Next


15. Install


16. Installing


 17. Finish


18. I choose No


19. Try running program using provided shortcut In Desktop

 Seems fun :-)