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: [Read more…]