Many people want to use GNS3 to prepare for network professional exams. But most of the people face issue to use GNS3. In this post, we will explain how to use GNS3. To use GNS3, you need to create a network topology in GNS3 by adding routers and switches. Before you can use a device such as a router to create a network topology in GNS3, first, you need to add the Cisco IOS image for that device. You can freely download the GNS3 IOS images for the desired platform, such as a router, switch and PIX firewall.
Once you have downloaded the appropriate IOS image, you can add that IOS image in GNS3. In this post. we will explain the detailed steps how to add an IOS image for Cisco router in GNS3 and how to use GNS3. We assume that you have already downloaded the GNS3 tool and the few Cisco IOS images for GNS3. If you have not yet done it, please visit the following links.
So let’s begin how to add an IOS image in GNS3 and how to use GNS3. To add an IOS image for Cisco router in GNS3, you need to perform the following steps: [Read more…]