Hi, What is are you using on compute? I had similar problem few days ago with CentOS and I manage to solve it. If you are using CentOS you can give a try with my solution. /Salman. Sent from Nesux 6. On Sep 1, 2015 8:29 AM, Ignazio Cassano <ignaziocassano at gmail.com> wrote: Hi all, In my kilo neutron configuration I have a flat network with a dhcp agent. Dhcp release addresses to openstack virtual machines but not to physical hosts in the same network. If I assign an address to the physical host I can ping the neutron dhcp server. Could anyone help me ? Regards -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-operators/attachments/20150901/a22c2ac2/attachment.html>