@@ -251,6 +251,7 @@ function configure_neutron_new {

             if [[ "$NEUTRON_DISTRIBUTED_ROUTING" = "True" ]]; then

                 iniset $NEUTRON_CORE_PLUGIN_CONF agent l2_population True

                 iniset $NEUTRON_CORE_PLUGIN_CONF agent enable_distributed_routing True

+                iniset $NEUTRON_CORE_PLUGIN_CONF agent arp_responder True

             fi

         fi

@@ -147,6 +147,7 @@ function neutron_plugin_configure_service {

         populate_ml2_config /$Q_PLUGIN_CONF_FILE agent l2_population=True

         populate_ml2_config /$Q_PLUGIN_CONF_FILE agent tunnel_types=vxlan

         populate_ml2_config /$Q_PLUGIN_CONF_FILE agent enable_distributed_routing=True

+        populate_ml2_config /$Q_PLUGIN_CONF_FILE agent arp_responder=True

     fi

 }