Hello, I am trying to set up a devstack environment in an Ubuntu 12.04 VM that has neutron and LBaaS enabled

I have only one network to work with 10.200.200.0/24

I am wondering what my local.conf needs to look like in order to accommodate the internal / external network configuration

Is it possible to have the private ips and the floating ips come from the same network range. I tried

    HOST_IP=10.200.200.80
    FLAT_INTERFACE=eth0
    PUBLIC_INTERFACE=eth0
    FIXED_RANGE=10.200.200.0/24
    FLOATING_RANGE=10.200.200.224/27

But this gives me an overlapping cidr error when I ./stack.sh during the neutron section of devstack

The gateway of the host is 10.200.200.1.

My goal is to have devstack running on 1 machine, with everything in 10.200.200.0/24, with virtual machines that are creating being able to reach the outside world and requests from outside can reach the VMs.