In the following example, root is the username and JunOS% is the hostname. At the next prompt, type cli and press Enter.Switch to the JunOS VirtualBox console. At the login prompt, type root as username and press Enter.Select the Allow GNS3 to use any configured VirtualBox adapter check box and click OK.On the Node Properties dialog box, select the Network tab, and set the number of adapters as per your requirement.In the GNS3 console, drag JunOS Olive router in the work view area. Right-click JunOS Olive and select Configure to configure it.If not, select manually and click Finish and close the Preferences window. On the VirtualBox Virtual Machine page, ensure that JunOS Olive VM (Juniper router IOS image) is selected.On the GNS3 console, click Edit, and select Preferences. On the Preferences window, select VirtualBox VMs in the left pane, and then select New in the right pane.Leave the VM VirtualBox console active and switch to GNS3 console. On the JunOS Olive – Settings window, make sure that Microsoft KM-TEST Loopback Adapter is selected, and then click OK. We assume that you have already installed a loopback adapter on your system.If the following error does not occur, skip the next step (step 6) and move on the GNS3 console. If the following error occurs, click Change Network Settings.
You can download it from the various sources on the Internet, or you may use the following link to download the JunOS VM image file. Once you have downloaded and installed your virtualization software, next, download the JunOS Olive VM image. However, in this guide, we will use Oracle VirtualBox.
Alternatively, you can also use VMware Workstation Player.
In order to perform the hands-on lab exercises in GNS3 that require Juniper routers, you need to add Juniper router IOS images in GNS3.īefore you could add a Juniper router in GNS3, first, you need to download and install Oracle VirtualBox on your local system. However, Juniper has its own internetworking operating system (IOS) called JunOS. Along with Cisco, nowadays Juniper also getting popularity in the routing platform.
In the previous posts, we have explained a lot, how to use GNS3 to perform Cisco hands-on lab exercises.