NAT make easy to use a virtual machine because: Usually the routed device (in our case, the guest machine) has an IP address that belongs to a completely different IP subnet. Only the IP address of the routing device (in case of a Virtual Machine, the host ack at router for the guest) is seen from outside. Network Address Translation is a tecnique used in IP networking that modify IP packet header, by changing IP address, while the routing device processes the packet. NAT, which is the default provided with DVDK, and.For a in-depth discussion regarding virtual networking see VBox official documentation here.įor developing purpose, we are interested in two configuration: VirtualBox networking supports different configurations.