|   | 78 |  | 
          
          
            |   | 79 | https://docs.openstack.org/devstack/latest/networking.html | 
          
          
            |   | 80 |  | 
          
          
            |   | 81 |  | 
          
          
            |   | 82 | If you don’t specify any configuration you will get the following: | 
          
          
            |   | 83 |  | 
          
          
            |   | 84 | neutron (including l3 with openvswitch) | 
          
          
            |   | 85 |  | 
          
          
            |   | 86 | private project networks for each openstack project | 
          
          
            |   | 87 |  | 
          
          
            |   | 88 | a floating ip range of 172.24.4.0/24 with the gateway of 172.24.4.1 | 
          
          
            |   | 89 |  | 
          
          
            |   | 90 | the demo project configured with fixed ips on a subnet allocated from the 10.0.0.0/22 range | 
          
          
            |   | 91 |  | 
          
          
            |   | 92 | a br-ex interface controlled by neutron for all its networking (this is not connected to any physical interfaces). | 
          
          
            |   | 93 |  | 
          
          
            |   | 94 | DNS resolution for guests based on the resolv.conf for your host | 
          
          
            |   | 95 |  | 
          
          
            |   | 96 | an ip masq rule that allows created guests to route out | 
          
          
            |   | 97 |  | 
          
          
            |   | 98 | PUBLIC_INTERFACE=eth1 (this connects to the br-ex bridge) | 
          
          
            |   | 99 |  | 
          
          
            |   | 100 | https://docs.openstack.org/devstack/latest/_sources/guides/neutron.rst.txt | 
          
          
            |   | 101 |  | 
          
          
            |   | 102 |  |