You can also use this method to take the Router to the Internet. You must configure a Cloud connection to add the Cisco Router to the physical network to which your desktop or laptop computer is connected. How to Add the Cisco Router to the Physical Network You can open the CLI command prompt by double-clicking on it to configure the router.Īs you can see in the image below, the Router you added on GNS3 works successfully!įor example, you can check the running configuration file of the Cisco Router using the R1# show running-config command. When the router is running, the Red icon in Topology Summary will be Green.