Hi Silvia, I had a similar problem recently. See my recent thread on this list ³Trouble connecting to a new VM³. Please make sure that firewalld is off (on redhat), and also check the tags on the ports of your ovs-bridges. I learned on this forum that a tag of 4095 indicates an error. Tyler On 11/28/15, 4:00 AM, "openstack-request at lists.openstack.org" <openstack-request at lists.openstack.org> wrote: >DHCP request packet lost (Silvia Fichera)