diff --git a/service/files/defaults.yaml b/service/files/defaults.yaml
index 396de81..1dbe6e9 100644
--- a/service/files/defaults.yaml
+++ b/service/files/defaults.yaml
@@ -11,6 +11,8 @@ configs:
     ml2:
       tenant_network_types:
         - "vxlan"
+      vni_ranges:
+        - "1:1000"
     physnets:
       - name: "physnet1"
         bridge_name: "br-ex"
diff --git a/service/files/ml2_conf.ini.j2 b/service/files/ml2_conf.ini.j2
index 9ae1fb8..f62b99e 100644
--- a/service/files/ml2_conf.ini.j2
+++ b/service/files/ml2_conf.ini.j2
@@ -34,7 +34,7 @@ flat_networks =
 {%- endfor %}
 
 [ml2_type_vxlan]
-vni_ranges = 1:1000
+vni_ranges = {{ neutron.ml2.vni_ranges|join(',') }}
 vxlan_group = 239.1.1.1
 
 [securitygroup]