How to Add Router IOS Image in GNS3

In order to perform any router-based hands-on lab exercise in GNS3, first, you need to download ISO images for routers. After downloading IOS images, you need to add router IOS image in GNS3. In the previous posts, we have discussed a lot about how to download and use GNS3. In this post, we will explain how to add IOS image in GNS3. We assume that you have already downloaded, the router IOS images for GNS3. If you have not yet done it, click the following link to download the Cisco IOS image for GNS3.

Now, you need to add router IOS image in GNS3. To do so, you need to perform the following steps:

  1. In the GNS3 console, click Edit and select Preferences to open the Preferences window. Click Next to add a new router IOS image in GNS3, as shown in the following figure.Adding IOS image in GNS3
  2. In the IOS image page, select the New Image radio button, click Browse and select the router IOS image that you want to add in GNS3. In this case, e will use Cisco router c2691 IOS image. Click Next to proceed, as shown in the following figure.Add Cisco ios image in gns3
  3. In the Name and platform window, specify the name and platform for the IOS image and then click Next as shown in the following figure.Specifying Router IOS template name in gns3
  4. In the Memory page, set the desired Default RAM size and then click Next as shown in the following figure.Create a router template in gns3
  5. In the Network adapters page, ensure that slot 0 is already listed and selected. Select the additional slots, if required, and then click Next as shown in the following figure.Adding slot in GNs3 routers
  6. In the WIC modules page, select the WIC modules to add additional modules as per your requirement, and then click Next as shown in the following figure.Add router in GNS3
  7. On the Idle-pc page, click Finish and then click OK to close the Preferences window.
  8. In the GNS3 console, you can see that c2691 router is added. Drag it to the work view area as shown in the following figure. Right-click on the added router and then select Start to start it.Adding Cisco IOS router images in GNS3
  9. Open the console of the router as shown in the following figure and use it to perform the hands-on lab exercise in GNS3.c2691 router in GNS3
  10. That’s all you need to do to add router IOS image in GNS3.

In this post, we have explained how to add IOS image in GNS3 and how to use routers in GNS3. Please let me know if you have stuck. We would love to hear you and your valuable feedback. You may like and share the post to others.

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