diff --git a/lib/neutron-legacy b/lib/neutron-legacy
index 31968498de..7b20a96ed7 100644
--- a/lib/neutron-legacy
+++ b/lib/neutron-legacy
@@ -275,6 +275,10 @@ source $TOP_DIR/lib/neutron_plugins/services/metering
 
 # L3 Service functions
 source $TOP_DIR/lib/neutron_plugins/services/l3
+
+# Additional Neutron service plugins
+source $TOP_DIR/lib/neutron_plugins/services/trunk
+
 # Use security group or not
 if has_neutron_plugin_security_group; then
     Q_USE_SECGROUP=${Q_USE_SECGROUP:-True}
@@ -369,6 +373,11 @@ function configure_mutnauq {
         configure_ovn_plugin
     fi
 
+    # Configure Neutron's advanced services
+    if is_service_enabled q-trunk neutron-trunk; then
+        configure_trunk_extension
+    fi
+
     iniset $NEUTRON_CONF DEFAULT api_workers "$API_WORKERS"
     # devstack is not a tool for running uber scale OpenStack
     # clouds, therefore running without a dedicated RPC worker
diff --git a/lib/neutron_plugins/services/trunk b/lib/neutron_plugins/services/trunk
new file mode 100644
index 0000000000..8e0f6944cf
--- /dev/null
+++ b/lib/neutron_plugins/services/trunk
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+function configure_trunk_extension {
+    neutron_service_plugin_class_add "trunk"
+}