Have you tried making the external network shared as well? Instances that need a private IP with NAT attach to an internal network and go through the router like normal. Instances that need a public IP without NAT would just attach directly to the external network.
On Thu, Aug 21, 2014 at 7:06 AM, Bao Wang <bywan...@gmail.com> wrote: > I have a very complex Openstack deployment for NFV. It could not be > deployed as Flat. It will have a lot of isolated private networks. Some > interfaces of a group VM instances will need bridged network with their > fixed IP addresses to communicate with outside world while other interfaces > from the same set of VM should keep isolated with real private/fixed IP > addresses. What happen if we use public IP addresses directly as fixed IP > on those interfaces ? Will this work with Openstack neutron networking ? > Will Openstack do NAT automatically on those ? > > Overall, the requirement is to use the fixed/public IP to communicate with > outside directly on some interfaces of some VM instances while keeping > others as private. The floating IP is not an option here > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > -- Kevin Benton
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