Before an operating system is installed on the virtual machine, it is a good idea to configure the virtual network interfaces available to the machine through the following steps:
vboxnet0
host-only network that was created earlier:overlay
. Internal networks can be specified in the free-form text box labeled Name:vboxnet1
host-only network created earlier. The Promiscuous Mode setting should be changed to Allow All
in order to support 802.1q VLAN tagging between the virtual machines:
By default, VirtualBox provides a NAT network that allows virtual machines to use the host machine for outbound network access. This network is required for the virtual OpenStack infrastructure nodes to download the OpenStack software. The NAT network is a DHCP network that provides the virtual machines with an IP address and default route through the host machine.
Repeat these steps as necessary to configure additional virtual machines.