Download link: http://commonerrors.blogspot.com/2014/11/download-juniper-router-iosimage-for.html <br /> <br />Step-1 <br />Open the download image with VirtualBox <br /> <br />Step-2 <br />open GNS3 and creat VM with these VMs <br /> <br />Step-2 <br />Set number of interfaces and start simulations. <br /> <br />"if you are having any issue with gns3 router console then you can use VM console for configurations"