“People interested to learn how to use enterprise [sic] hardware routers usually won’t have the possibility to access those devices in an experimental lab environment because its price. Hence, to get pratice you need some workarounds: This is where “Olive” enters the game. #Olive the pure software skeleton, forming the essential software component of a #JUNOS #router. [...] I am going to present you a step by step tutorial how to install and configure a virtual machine image based on the #VirtualBox platform.”
▻http://daemonkeeper.net/563/deploy-junos-on-a-virtualbox-virtual-machine