diff --git a/lib/neutron_plugins/ml2 b/lib/neutron_plugins/ml2
index 44b947f380..f9a9774e98 100644
--- a/lib/neutron_plugins/ml2
+++ b/lib/neutron_plugins/ml2
@@ -84,6 +84,11 @@ function neutron_plugin_configure_service {
         fi
     fi
 
+
+    # Allow for setup the flat type network
+    if [[ -z "$Q_ML2_PLUGIN_FLAT_TYPE_OPTIONS" && -n "$PHYSICAL_NETWORK" ]]; then
+            Q_ML2_PLUGIN_FLAT_TYPE_OPTIONS="flat_networks=$Q_ML2_FLAT_PHYSNET_OPTIONS"
+    fi
     # REVISIT(rkukura): Setting firewall_driver here for
     # neutron.agent.securitygroups_rpc.is_firewall_enabled() which is
     # used in the server, in case no L2 agent is configured on the
@@ -110,6 +115,8 @@ function neutron_plugin_configure_service {
 
     populate_ml2_config /$Q_PLUGIN_CONF_FILE ml2_type_vxlan $Q_ML2_PLUGIN_VXLAN_TYPE_OPTIONS
 
+    populate_ml2_config /$Q_PLUGIN_CONF_FILE ml2_type_flat $Q_ML2_PLUGIN_FLAT_TYPE_OPTIONS
+
     populate_ml2_config /$Q_PLUGIN_CONF_FILE ml2_type_vlan $Q_ML2_PLUGIN_VLAN_TYPE_OPTIONS
 
     if [[ "$Q_DVR_MODE" != "legacy" ]]; then