options: vlan-ranges: type: string default: "physnet1:1000:2000" description: | Space-delimited list of Neutron network-provider & vlan-id-ranges using the following format ":: ...". overlay-network-type: default: gre type: string description: | Overlay network types to use, valid options include: . gre vxlan . Multiple types can be provided - field is space delimited. security-groups: default: false type: boolean description: Enable OpenDayLight managed security groups.