In Flat networking with
DHCP, the IP addresses for our instances are assigned from a running DHCP service on the OpenStack Compute host. This service is provided by
dnsmasq. As with Flat networking, a bridge must be configured manually in order for this to function.
To begin with, ensure you're logged in to the OpenStack API server.
If using the
openstack1 host created in Chapter 1, Starting OpenStack Compute, we will have three interfaces in our virtual instance:
eth0is a NAT to the host running VirtualBox
eth1is our floating (public) network (
eth2is our fixed (private) network (
In a physical production environment, that first interface wouldn't be present, and references ...