diff --git a/lib/neutron b/lib/neutron
index 53fc5fcd15..415344e88d 100644
--- a/lib/neutron
+++ b/lib/neutron
@@ -162,7 +162,9 @@ function configure_neutron_new {
         iniset $NEUTRON_CORE_PLUGIN_CONF ml2 type_drivers vxlan
         iniset $NEUTRON_CORE_PLUGIN_CONF ml2 mechanism_drivers openvswitch,linuxbridge
         iniset $NEUTRON_CORE_PLUGIN_CONF ml2_type_vxlan vni_ranges 1001:2000
-        iniset $NEUTRON_CORE_PLUGIN_CONF ml2 extension_drivers port_security
+        if [[ "$NEUTRON_PORT_SECURITY" = "True" ]]; then
+            iniset $NEUTRON_CORE_PLUGIN_CONF ml2 extension_drivers port_security
+        fi
     fi
 
     # Neutron OVS or LB agent
diff --git a/lib/neutron_plugins/ml2 b/lib/neutron_plugins/ml2
index 7e8020930f..e429714f06 100644
--- a/lib/neutron_plugins/ml2
+++ b/lib/neutron_plugins/ml2
@@ -35,7 +35,11 @@ Q_ML2_PLUGIN_VLAN_TYPE_OPTIONS=${Q_ML2_PLUGIN_VLAN_TYPE_OPTIONS:-}
 Q_ML2_PLUGIN_GENEVE_TYPE_OPTIONS=${Q_ML2_PLUGIN_GENEVE_TYPE_OPTIONS:-vni_ranges=$TENANT_TUNNEL_RANGES}
 # List of extension drivers to load, use '-' instead of ':-' to allow people to
 # explicitly override this to blank
-Q_ML2_PLUGIN_EXT_DRIVERS=${Q_ML2_PLUGIN_EXT_DRIVERS-port_security}
+if [[ "$NEUTRON_PORT_SECURITY" = "True" ]]; then
+    Q_ML2_PLUGIN_EXT_DRIVERS=${Q_ML2_PLUGIN_EXT_DRIVERS-port_security}
+else
+    Q_ML2_PLUGIN_EXT_DRIVERS=${Q_ML2_PLUGIN_EXT_DRIVERS:-}
+fi
 
 # L3 Plugin to load for ML2
 # For some flat network environment, they not want to extend L3 plugin.
diff --git a/lib/tempest b/lib/tempest
index 6ffc927176..0d018432af 100644
--- a/lib/tempest
+++ b/lib/tempest
@@ -387,6 +387,7 @@ function configure_tempest {
     iniset $TEMPEST_CONFIG network default_network "$FIXED_RANGE"
     iniset $TEMPEST_CONFIG network-feature-enabled ipv6 "$IPV6_ENABLED"
     iniset $TEMPEST_CONFIG network-feature-enabled ipv6_subnet_attributes "$IPV6_SUBNET_ATTRIBUTES_ENABLED"
+    iniset $TEMPEST_CONFIG network-feature-enabled port_security $NEUTRON_PORT_SECURITY
 
     # Orchestration Tests
     if is_service_enabled heat; then
diff --git a/stackrc b/stackrc
index c419ef4b15..ea8b044faf 100644
--- a/stackrc
+++ b/stackrc
@@ -778,6 +778,9 @@ fi
 
 HOST_IPV6=$(get_default_host_ip "" "" "$HOST_IP_IFACE" "$HOST_IPV6" "inet6")
 
+# Whether or not the port_security extension should be enabled for Neutron.
+NEUTRON_PORT_SECURITY=$(trueorfalse True NEUTRON_PORT_SECURITY)
+
 # SERVICE IP version
 # This is the IP version that services should be listening on, as well
 # as using to register their endpoints with keystone.