Do you have allow_overlapping_ips set to True? On Mon, Feb 13, 2017 at 7:56 PM, joehuang <joehuang at huawei.com> wrote: > Hello, > > During the regression test, I find that Neutron allows CIDR overlapping in > same project. > > neutron --os-region-name RegionOne net-create dup-net1 > neutron --os-region-name RegionOne net-create dup-net2 > neutron --os-region-name RegionOne subnet-create dup-net1 20.0.1.0/24 > neutron --os-region-name RegionOne subnet-create dup-net2 20.0.1.0/24 > > all commands can be executed successfully, and after then the project has > two subnets with same CIDR: 20.0.1.0/24 > > Should it be allowed? Or it's just because it's too difficult to address > the race condition. > > Best Regards > Chaoyi Huang (joehuang) > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20170213/e9912d50/attachment.html>