You find the list of interfaces of Cisco 1700 IOS which you can use in GNS3 in fillowing figure:ĭownload 1700c Gns3 IOS images for Router In this way you can utilize the maximum of you RAM and can run the maximum number of routers in GNS3 as compare to any other IOS like 7200 series which required high RAM.īut the shortcoming of this IOS is that you can only run the following interface or module with cisco 1700 IOS image: Cisco 1700c is a very cool IOS for gns3 as it required a very little RAM.

Jįrom this article you can download 1700c GNS3 IOS image for router only for GNS3 use. While on live network… never try any new configure until you can crystal clear. You can create and test the network topology before deploying it into real network, you can check for configuration errors.Since GNS3 is a free software so it is a best option for practicing you networking skill, you are required on Cisco IOS. If you are student or even you are network professional, it is very difficult for you to buy the costly routers from Cisco.Some of advantage of using network simulator like is as following:

There is another network simulator software called packet tracer, the main different of packet tracer over the GNS3 is that GNS3 run with the real Cisco IOS images instead of programing. I am sure you are familiar with the well-known graphical network simulator use for creating networking labs and topologies known as GNS3.

Ios cisco gns3 download