-# create external network
-neutron net-create net04_ext --router:external --provider:physical_network physnet \
---provider:network_type vlan --provider:segmentation_id 1411
-neutron subnet-create net04_ext 10.145.140.0/24 --name net04_ext__subnet \
---allocation-pool start=10.145.140.13,end=10.145.140.20 --disable-dhcp --gateway 10.145.140.1