This is the Step 2 in our GNS3 Lab with JunOS, Quagga and Cisco router. I have tried different tutorial posted in other blogs. I've never found any tutorial work until now. Every-time I stuck at the middle of the tutorials. In this blog post, I'll show you how to install JunOS in VBox and later I'll integrate it into GNS3 lab. I have take Olive12.1R1.9.img, I know you're smart to get it from the Internet. Lets begin the installation of JunOS. Before that, convert the JunOS image into Vbox vdi Image. For easy installation and to avoid error during this tutorial, enter into the JunOS folder, in my case. This tutorials assume that you have already install GNS3 and VBox . Step 1 Prepare JunOS for VBox. C:\Users\jpudasaini\Desktop\jun>"C:\Program Files\Oracle\VirtualBox\VBoxmanage" convertdd Olive12.1R1.9.img Olive12.1.R1.9.vdi Its take time to convert the image, wait for few minute depends on your PC configuration. Now go to the jun fol