How to Add Router in GNS3

This video shows the steps to add Router to GNS3 network simulator program used to prepare for Cisco exams.

To add Router 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 GNS3, 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 GNS3.

Step 6: After running GNS3, 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 to GNS3.

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

Step 11: Decompress the Router.

Step 12: After adding Router to GNS3, 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 Cisco 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 in GNS3 workspace and run it.

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

➦ Start / Resume all nodes

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

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