Restarting the Neutron DHCP agent

Use the following commands to restart the neutron-dhcp-agent service on the controller node and check its status:

    # systemctl restart neutron-dhcp-agent
    # systemctl status neutron-dhcp-agent

The output should resemble the following:

The agent should be in an active (running) status. Use the openstack network agent list command to verify that the service has checked in:

A smiley face under the Alive column means that the agent is properly communicating with the neutron-server service.