Configure the Neutron OVS plug-in for GRE tunneling on a dedicated controller node

Tell the OVS plug-in to use GRE tunneling. Edit the /etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini file:

[ovs]
tenant_network_type = gre
tunnel_id_ranges = 1:1000
enable_tunneling = True

Return to the general OVS instructions.