diff --git a/lib/neutron-legacy b/lib/neutron-legacy
index be29f99..a3f6f07 100644
--- a/lib/neutron-legacy
+++ b/lib/neutron-legacy
@@ -279,6 +279,7 @@
 # Additional Neutron service plugins
 source $TOP_DIR/lib/neutron_plugins/services/placement
 source $TOP_DIR/lib/neutron_plugins/services/trunk
+source $TOP_DIR/lib/neutron_plugins/services/qos
 
 # Use security group or not
 if has_neutron_plugin_security_group; then
@@ -381,6 +382,13 @@
     if is_service_enabled q-trunk neutron-trunk; then
         configure_trunk_extension
     fi
+    if is_service_enabled q-qos neutron-qos; then
+        configure_qos
+        if is_service_enabled q-l3 neutron-l3; then
+            configure_l3_agent_extension_fip_qos
+            configure_l3_agent_extension_gateway_ip_qos
+        fi
+    fi
 
     iniset $NEUTRON_CONF DEFAULT api_workers "$API_WORKERS"
     # devstack is not a tool for running uber scale OpenStack
diff --git a/lib/neutron_plugins/services/qos b/lib/neutron_plugins/services/qos
new file mode 100644
index 0000000..af9eb3d
--- /dev/null
+++ b/lib/neutron_plugins/services/qos
@@ -0,0 +1,30 @@
+#!/bin/bash
+
+function configure_qos_service_plugin {
+    neutron_service_plugin_class_add "qos"
+}
+
+
+function configure_qos_core_plugin {
+    configure_qos_$NEUTRON_CORE_PLUGIN
+}
+
+
+function configure_qos_l2_agent {
+    plugin_agent_add_l2_agent_extension "qos"
+}
+
+
+function configure_qos {
+    configure_qos_service_plugin
+    configure_qos_core_plugin
+    configure_qos_l2_agent
+}
+
+function configure_l3_agent_extension_fip_qos {
+    plugin_agent_add_l3_agent_extension "fip_qos"
+}
+
+function configure_l3_agent_extension_gateway_ip_qos {
+    plugin_agent_add_l3_agent_extension "gateway_ip_qos"
+}