Hi, stackers: Randy Tuttle created two blueprints as an augment to Sean’s proposal to improve IPv6 readiness. You can find the details here: https://blueprints.launchpad.net/neutron/+spec/dnsmasq-bind-into-qrouter-namespace https://blueprints.launchpad.net/neutron/+spec/allow-multiple-subnets-on-gateway-port Please let us know whether you have any questions. Thanks! Shixiong