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Installing GNS3 Router Simulator

gns3

dns3 router simulatorGNS3 is a routing simulator and allows you to simulate Cisco routers, switches and firewalls as well as simulate Juniper routers too. In this post we are going to download and install GNS3.

To begin we need to download the software – a simple Google search takes us to http://www.gns3.net/download to be able to download the software. It is available for Windows, MacOS and Linux. For this demonstration we will install the Windows version.

The biggest trick to getting GNS3 running is also downloading the IOS image needed for the simulator to work. You can download IOS or JunOS images from Cisco or Juniper’s website. Some support platforms are the Cisco 2600 and 3600 series routers.

Check out this video as I run through the entire process and getting GNS3 installing and running on my laptop.


[s3mv]gns3/installing-gns3/installing-gns3.m4v,500,400,false,false[/s3mv]

In our next video we will be build out our virtual network a bit more to include a third routing and start talking about routing.

2 Responses

  1. Hey, thanks for the video,
    I have a big problem, becouse i cant found the ios of PIX firewall, and ASA Firewall, juniper router, IDS, Quemu host.
    Do you can help me please.
    I need to study for the ccsp, and I can’t study without these.

    have a nice day

    1. Hi Andrea,
      If you don't have access to CCO to download any of the IOS images, you have only two other options. You can rent equipment time from a training provider. CCBOOTCAMP rents rack time so you can get access to PIX's and ASA's. If this doesn't work for you you can always buy a PIX or ASA off of ebay.

      I hope this helps

      Joe

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