Layer 3 IOS image for GNS3 with Switching

  1. Gns3 Layer 3 Switch
  2. Switch Ios For Gns3
Switch ios for gns3

GNS3 is one of best and my favorite graphical network simulator use for simulating network topologies and network Labs virtually in your personal computer. So GNS3 provide you the economical way for testing your networking skills at home. For creating topologies in GNS3 you are required the Cisco real IOS images. You need to add these IOS image in GNS3 in order to simulate these IOS for Networking LABS. If you are new to GNS3 and not clear how to use the Cisco IOS with GNS3 you can learn it from given link. Also visit How to use GNS3 step by step.

3725 Switch IOS image

Gns3 Layer 3 Switch

Currently GNS3 runs only the routers IOS images, these is not way for direct running of cisco 2900 series IOS images in GNS3. But you can create the switching labs with router IOS image in gns3 by using the NM-16ESW module with router which have the switching features. This NM-16ESW module can be used with Cisco 3700 series IOS.

Download the IOS file Open GNS3 and click Edit file menu and from sub-menu click Preferences Navigate to Dynamips - IOS routers option in left pane and click New button in right pane Select New Image option and click Browse button. Below is the list of all Cisco routers and hybrid routers which contains the ability of both switching and routing. These all IOS are tested in eve-ng and GNS3 and working. NOTE: These all below IOS are specifically designed and modified for GNS3 and EVE-NG. So these will not work on hardware machine.

From here you can download this IOS image for your GNS3. If you need the IOS image for your real router and for your company you need to contact with Cisco, from where you can purchase IOS of your choice. Also you can get Cisco Devices and IOS images from Cisco Partners, you can find the nearest local partner. There is a complete list of partners on Cisco.com.

(You may required to sing-in with Gmail to download)

Switch Ios For Gns3

With this IOS you can perform the different switching labs on GNS3, which are as following: Industries coming soon.

  • VLANs
  • STP
  • VTP
  • Inter-VLan

With this IOS you can use the following Slot in GNS3 as shown in figure.

I have used this 3725 Switch IOS image with latest GNS3 and find no issue with it. You are request to share your experience in case of any problem with this 3725 switch IOS image. Thank you for reading this post, have a good day. Bye… J

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. !

6817.info – 2018