Cisco 7200 Router Ios Image Free Download For Gns3

Working Cisco IOS for GNS3. Feel free to download them and use them for your Cisco certifications studies. Play Free Online Games; Home . System used in most Cisco routers and switches. IOS image support. Can download Cisco 3745 IOS image for your GNS3 and perform.

Download 3640 Switch IOS image for Gns3 3600 Series:

GNS3 is network simulator and offers number of ways to emulate Cisco Image or other IOS. YOu can run different Cisco IOS images in gns3 with Dynamips.

In Gns3 by default there is no way of running Cisco switch, but using Cisco 3640 IOS image you can convert your router into switch. There is a module i.e. NM-16ESW module which can be used with Cisco 3640 IOS in gns3 and provide you the switching features in GNS3. There are many cisco images which supports NM-16ESW-module, such Switch IOS images for GNS3 is 3600 series c3640.

You can run this IOS in GNS3 and create different switching labs with this IOS. These Switching labs includes:

  • Vlan
  • VTP
  • Inter-vlan routing

You can Download this IOS from Here for educational purpose for your GNS3. Click on the download 3640 IOS image for gns3 for starting the downloading:

3640 Switch IOS image for Gns3

You can use the following interfaces or ports/ modules with GNS3:

  1. Leopard-2FE
  2. NM-16ESW
  3. NM-1FE-TX
  4. NM-1E
  5. NM-4E
  6. NM-4T

I hope this aricle is informative for your. Share your comments in comments sections. Thank you. !

Download Cisco IOS Images For GNS3

Below are all the working versions of Cisco IOS which we have tested with the latest version of GNS3. You can Download Cisco IOS Images For GNS3 from below links directly. Feel free to download them and use them for your Cisco certifications studies.If you face any problem setting it up with GNS3 drop us a message and we will get back to you asap.


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GNS3 is an open source (GNU GPL) software that simulates complex networks while being as close as possible from the way real networks perform, all of this without having dedicated network hardware such as routers and switches.

GNS3 provides an intuitive graphical user interface to design and configure virtual networks, it runs on traditional PC hardware and may be used on multiple operating systems, including Windows, Linux, and Mac OS X.

In order to provide complete and accurate simulations, GNS3 actually uses the following emulators to run the very same operating systems as in real networks:

  • Dynamips, the well known Cisco IOS emulator.
  • VirtualBox, runs desktop and server operating systems as well as Juniper JunOS.
  • QEMU, a generic open source machine emulator, it runs Cisco ASA, PIX and IPS.

GNS3 is an excellent alternative or complementary tool to real labs for network engineers, administrators and people studying for certifications such as Cisco CCNA, CCNP andCCIE as well as Juniper JNCIA, JNCIS and JNCIE. Itools 4 download for windows.


Minimum memory

The minimum RAM is the amount of memory needed for IOS to work at maximum capacity with most feature configured and activated. From experience you can usually use a bit less RAM just fine.You can also use gns3 on low end computer by using idle pc value

Recommended images

We really recommend using c3640, c3660, c3725, c3745 and c7200 IOS images listen above, they have proven to be the most stable in GNS3 provided you use the right amount of RAM and Idle-PC value.

Idle-PC value

This settings will help Dynamips to consume less CPU. It’s specific to each different IOS image.Idle pc value will be the best option to make Gns3 work smoothly on any computer. To learn how to setup Idle pc value check this post How To setup idle pc value easily

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