diff --git a/environments/neutron-ml2-ovn-dvr-ha.yaml b/environments/neutron-ml2-ovn-dvr-ha.yaml
index 73eca623d4..1da0670df8 100644
--- a/environments/neutron-ml2-ovn-dvr-ha.yaml
+++ b/environments/neutron-ml2-ovn-dvr-ha.yaml
@@ -26,8 +26,8 @@ parameter_defaults:
   NeutronServicePlugins: 'qos,ovn-router,trunk'
   NeutronVniRanges: ['1:65536', ]
   NeutronEnableDVR: true
+  NeutronPluginExtensions: "qos,port_security,dns"
   ControllerParameters:
     OVNCMSOptions: "enable-chassis-as-gw"
   OVNDnsServers: []
   KernelIpNonLocalBind: 1
-
diff --git a/environments/services-docker/neutron-ovn-dvr-ha.yaml b/environments/services-docker/neutron-ovn-dvr-ha.yaml
index b75cc83f95..d70876fae2 100644
--- a/environments/services-docker/neutron-ovn-dvr-ha.yaml
+++ b/environments/services-docker/neutron-ovn-dvr-ha.yaml
@@ -27,6 +27,7 @@ parameter_defaults:
   NeutronServicePlugins: 'qos,ovn-router,trunk'
   NeutronVniRanges: ['1:65536', ]
   NeutronEnableDVR: true
+  NeutronPluginExtensions: "qos,port_security,dns"
   ControllerParameters:
     OVNCMSOptions: "enable-chassis-as-gw"
   OVNDnsServers: []