diff --git a/devstack/README.md b/devstack/README.md
index 0c344b4f1..37deb1b23 100644
--- a/devstack/README.md
+++ b/devstack/README.md
@@ -36,6 +36,8 @@ For example
     enable_plugin neutron-lbaas https://git.openstack.org/openstack/neutron-lbaas stable/liberty
     enable_plugin octavia https://git.openstack.org/openstack/octavia stable/liberty
 
+"q-lbaasv2" is the default service enabled with neutron-lbaas plugin.
+
 2) Enable the LBaaS services
 
 To enable the LBaaS services, add lines in the form:
diff --git a/devstack/settings b/devstack/settings
index d3502ca28..055c52c19 100644
--- a/devstack/settings
+++ b/devstack/settings
@@ -7,6 +7,9 @@ AGENT_LBAASV2_BINARY="$NEUTRON_BIN_DIR/neutron-lbaasv2-agent"
 LBAAS_V2="q-lbaasv2"
 LBAAS_ANY="$LBAAS_V2"
 
+# turn on lbaasv2 service by default
+enable_service $LBAAS_ANY
+
 BARBICAN="barbican-svc"
 
 AUTH_URL=${AUTH_URL:-"http://127.0.0.1:5000/v2.0"}