How to setup a correct VirtualBox network to allow for multiple VM's to live in the same network. This setup is often overlooked and can cause a lot of headaches. This is a short investment in your time for something that will increase your VM performance and your overall experience with VirtualBox and Virtualization.

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Oracle VM VirtualBox is defined as a tool for virtualizing x86 and AMD64/Intel64 computing architecture, enabling users to deploy desktops, servers, and operating systems as virtual machines. One can use this solution to deploy as many virtual machines as the host architecture has the resources for.

Network Address Translation (NAT) is the simplest way of accessing an external network from a virtual machine. Usually, it does not require any configuration on the host network and guest system. For this reason, it is the default networking mode in Oracle VM VirtualBox.

A virtual machine with NAT enabled acts much like a real computer that connects to the Internet through a router. The router, in this case, is the Oracle VM VirtualBox networking engine, which maps traffic from and to the virtual machine transparently. In Oracle VM VirtualBox this router is placed between each virtual machine and the host. This separation maximizes security since by default virtual machines cannot talk to each other.

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