Legacy networking primarily involves compute nodes. However, you must configure the controller node to use it.
To configure legacy networking
Edit the
/etc/nova/nova.conffile and add the following keys to the[DEFAULT]section:[DEFAULT] ... network_api_class = nova.network.api.API security_group_api = nova
Restart the Compute services:
# service nova-api restart # service nova-scheduler restart # service nova-conductor restart
