How to Add Router in GNS3

This video shows the steps to upload Router to the network simulator software used to prepare for Cisco exams.

How to Add Cisco Router IOS to GNS3

Step 1: If you have not installed GNS3 on Windows, Linux or macOS before, please refer to the videos below.

Windows ➦
Linux ➦
macOS ➦

Step 2: After installing it, the first thing you need to do is get a Cisco Router image.

Step 3: You can download the Router by googling.

Step 4: In this video, we will add the Cisco Router 7200 IOS image.

Step 5: Download the Cisco Router 7200 IOS image to your computer and then open the simulator software.

Step 6: After running it, you will see the Setup Wizard window. In this window, select “Run only legacy IOS on my computer only” and then click Next.

➦ Run only legacy IOS on my computer only

Step 7: Click Next button in Local Server Configuration window.

➦ Local Server Configuration

Step 8: In the New Appliance Template window, check the “Add an IOS Router using a real IOS image (supported by Dynamips)” option and click the OK button.

➦ Add an IOS Router using a real IOS image (supported by Dynamips)

Step 9: In the IOS Image window, click the Browse button to add the Router that you downloaded to your computer.

Step 10: Select the Router image and click the Open button.

Step 11: Decompress the Router.

Step 12: After adding your Router, click Next.

Step 13: In the Name and Platform window, select “c7200” and click Next.

Step 14: Set the 256 MB RAM value for the Cisco Router 7200.

Step 15: In the Network Adapters window, you can add FastEthernet, GigabitEthernet or Serial Interface to the Router. Select “C7200-IO-FE” in the slot0 and click Next.

Step 16: Set the Idle-PC value for Router.

Step 17: Add the Router to the workspace and run it.

Step 18: Click “Start / Resume all nodes” button to run the router.

➦ Start / Resume all nodes

Step 19: After adding the IOS image in GNS3, you can now start working on Cisco exams.

   Related Posts

1. What is GNS3
2. How to Install GNS3
3. How to Assign IP to Router
4. How to Add Cloud
5. How to Change Router Name



In my personal blog, I will explain the solutions to the problems I encounter in the system, network, and information technologies for you. If you want to contact me or consult about a problem, you can send an e-mail to [email protected]