Daniel, This is the expected behavior. With nova-network, FLIPs are assigned as a secondary address on the host interface, and traffic is routed to your instances via NAT rules. I'd recommend reading the following blog post from Mirantis for more information:
http://www.mirantis.com/blog/configuring-floating-ip-addresses-networking-openstack-public-private-clouds/ -Dave On Fri, Apr 26, 2013 at 4:58 PM, Daniel Ellison <[email protected]> wrote: > Hi all, > > I have Nova all set up on a single server and am able to start/stop/delete > VM instances no problem. I have a bridge at br100 which sits on eth1 and is > not connected to anything. eth0 is connected to the Internet. Before > installing Openstack I was using KVM and virsh to manage my VMs. In order > to do the Openstack install with fewer working parts, I brought down all > KVM instances and deleted the br0 bridge they were using. > > Everything works beautifully with respect to nova-network. Since I can't > easily port my KVM instances to Openstack, I wanted to start them up again > under virsh. I recreated the br0 bridge as it was before. So far so good. I > can start my "legacy" VMs and all works as expected. There's only one > issue, and I don't even know if it's important. > > Before starting a Nova VM eth0 has no IP, which is expected as it's being > covered by br0. But when I start one of the Nova VMs that has a floating > IP, eth0 gains its IP! Everything seems to continue working, but it doesn't > make sense to me. > > I don't know if this is expected behaviour or I simply have things > configured wrong. Since it all still works I'm not overly concerned, but it > does bug me. If anyone has insight into this I would be grateful. > > Thanks, > Daniel > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : [email protected] > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp >
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