Hi sorry for too much silly questions I am interested in the dnsmasq of nova when use FlatDHCP network mode I am guess it works like this: nova write MAC -> IP info to /var/lib/nova/networks/nova-br1.conf when boot a instance nova tell dnsmasq to reread /var/lib/nova/networks/nova-br1.conf instance boot up and send DHCP request dnsmasq receive DHCP request and give instance proper IP I know it totally wrong and I want some one correct me, more details would be great Thanks in advice Regards -- =========================== William Herry WilliamHerryChina at Gmail.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20120525/ac20793a/attachment.html>