On 02/12/2015 03:01 PM, Zhao, Xin wrote: > Hello, > > I notice that, in my icehouse testbed that runs neutron in OVS/VLAN > mode, ips from the deleted instances don't seem to be reassigned to new > instances, new instances always get the next available ip from the range > incrementally. I am afraid this will cause problem eventually. On old > releases, the ips of the deleted instances get reused pretty quickly on > new instances. Do I miss some configuration option? In our case - IP that was allocated and associated with an instance stays allocated after instance is shut down, and I am able to associate it with the new VMs just fine. How are you doing your association? Some scripting perhaps?