Hi, Some times Dnsmasq (dhcp lease offer) does not function correctly. try this : killall dnsmasq service quantum-dhcp.... restart Hard reboot your VM and start tcpdump on the tap near Dnsmasq to check the traffic. Best. Linus > Le mercredi 21 août 2013, Mina Nagy Zaki a écrit : > >> Hello, >> I have working network configuration, VMs have access to the external >> network, hosts have access to VMs. But DHCP replies are not making it >> back into the VMs. >> >> tcpdump and iptables tracing show me that the requests make it through >> just fine, but the replies don't make it out of the qdhcp-XXXX >> namespace (the go out the tap interface there but I'm not sure what >> happens to them next) >> >> How should I go about debugging this? >> >> Thanks! >> -- >> Mina Nagy Zaki >> >> _______________________________________________ >> Mailing list: >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> Post to : openstack at lists.openstack.org >> Unsubscribe : >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20130822/b9814c9a/attachment.html>