metadata/service/tempest/neutron.yml

parameters:
  neutron:
    client:
      server:
        admin_identity:
          network:
            heat-net:
              tenant: admin
              shared: False
              router_external: True
              default: True
              admin_state_up: True
              subnet:
                heat_subnet:
                  cidr: 10.20.30.0/24
                  allocation_pools:
                    - start: 10.20.30.10
                      end: 10.20.30.254
                  gateway: 10.20.30.1
                  enable_dhcp: False