[root@linux-node1 ~]# yum install openstack-neutron-lbaas python-neutron-lbaas -y

[root@linux-node1 ~]# yum install haproxy -y

[root@linux-node1 ~]# vim /etc/neutron/lbaas_agent.ini

24 interface_driver = neutron.agent.linux.interface.BridgeInterfaceDriver

31 device_driver = neutron.services.loadbalancer.drivers.haproxy.namespace_driver.HaproxyNSDriver

[root@linux-node1 ~]# vim /etc/neutron/neutron.conf

77 service_plugins = router,lbaas

[root@linux-node1 ~]# systemctl restart neutron-server

[root@linux-node1 ~]# systemctl start neutron-lbaas-agent