diff --git a/environments/undercloud.yaml b/environments/undercloud.yaml
index 00b3d00ee5..3ad6428108 100644
--- a/environments/undercloud.yaml
+++ b/environments/undercloud.yaml
@@ -69,7 +69,7 @@ parameter_defaults:
   NeutronPublicInterface: eth1
   MistralCorsAllowedOrigin: '*'
   MistralExecutionFieldSizeLimit: 16384
-  NeutronServicePlugins: ['router']
+  NeutronServicePlugins: router,segments
   NeutronNetworkVLANRanges: 'physnet1:1000:2999'
   NeutronPluginExtensions: 'port_security'
   NeutronFirewallDriver: ''