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Icehouse neutron DNS issues

With neutron setup for a private network (connected to neutron router and public network),i can ping external ips, but DNS resolv doesn't work. If I add public DNS server ips to the vm subnet, DNS resolv works for external hosts, but stops working for other instances on the same VM network. ( bug https://bugs.launchpad.net/neutron/+bug/1175211 would prevent dns resolve for VM instances anyway but in this case the internal DNS server is not referenced at all)

Is there a way to configure the DNSMASQ server for the private network, to relay queries for other domains to external DNS servers?

Icehouse neutron DNS issuesIcehouse- DNSMASQ configuration

With neutron setup for a private network (connected to neutron router and public network),i can ping external ips, but DNS resolv doesn't work. If I add public DNS server ips to the vm subnet, DNS resolv works for external hosts, but stops working for other instances on the same VM network. ( bug https://bugs.launchpad.net/neutron/+bug/1175211 would prevent dns resolve for VM instances anyway but in this case the internal DNS server is not referenced at all)

Is there a way to configure the DNSMASQ server for the private network, to relay queries for other domains to external DNS servers?