http://docs.openstack.org/mitaka/install-guide-ubuntu/environment-networking .html#environment-networking In the guide, the compute node requires a provider network connection, and the neutron run in controller node. But per my understanding, all VMs access the internet via NAT, and the nova node has no internet access requirement in production environment. Anything I missed or misunderstood? Best regards, Rui Mao -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20160519/7f4be176/attachment.html>