Layer 3 IOS image for GNS3 with Switching

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.

Now, we have to upload the Cisco IOS images to GNS3. Once Preferences popup comes up, select IOS routers from Dyanamips tab. Now click the IOS router option it will show you the option to add new IOS router image on right side. Select New Image option and click Browse button. Now select the downloaded IOS image file which you want to use for your lab. Cisco IOS images for Dynamips GNS3 offers multiple ways to emulate IOS. For older images, we use and maintain Dynamips; an emulator dedicated to emulate some Cisco hardware. Dynamips can run unmodified IOS images. In the new GNS3 1.4, there is a way to run a second category of switches and routers.

3725 Switch IOS image

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.

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)

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

• 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: Crack silhouette connect download windows 10.

• 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. !