# interfaces(5) file used by ifup(8) and ifdown(8) # local loopback auto lo iface lo inet loopback # VirtualBox NAT -- for Internet access to VM auto eth0 iface eth0 inet dhcp # OpenStack multi node # Network node # OpenStack management network auto eth1 iface eth1 inet static address 10.10.10.52 netmask 255.255.255.0 # VM internal communication network auto eth2 iface eth2 inet static address 10.20.20.52 netmask 255.255.255.0 # VM Internet/external network access auto eth3 iface eth3 inet static address 192.168.100.52 netmask 255.255.255.0