http://komadori-blog.blogspot.hk/2014/11/openstack-juno-ml2-plugindvr_21.html
openstack网络部署：
http://www.slideshare.net/emaganap/neutron-dvr
http://yeasy.gitbooks.io/openstack_code_neutron/content/
源码及下载：
https://github.com/yeasy/openstack_code_Neutron
配置文件：
/etc/neutron/neutron.conf
http://yeasy.gitbooks.io/openstack_code_neutron/content/etc/neutronconf.html
[fwaas]
#driver = neutron.services.firewall.drivers.linux.iptables_fwaas.IptablesFwaasDriver
#enabled = True
Ubuntu14.04部署OpenStack Juno网络节点问题
http://jingyan.baidu.com/album/4d58d5413e95be9dd5e9c06b.html