diff --git a/xos/configurations/cord/cord.yaml b/xos/configurations/cord/cord.yaml
index 67d8bb6..8945eea 100644
--- a/xos/configurations/cord/cord.yaml
+++ b/xos/configurations/cord/cord.yaml
@@ -456,7 +456,8 @@
         type: tosca.nodes.VOLTTenant
         properties:
             service_specific_id: 123
-            vlan_id: 432
+            s_tag: 222
+            c_tag: 432
         requirements:
             - provider_service:
                 node: service_volt
diff --git a/xos/tosca/custom_types/xos.m4 b/xos/tosca/custom_types/xos.m4
index 88d8f5f..aca3e3e 100644
--- a/xos/tosca/custom_types/xos.m4
+++ b/xos/tosca/custom_types/xos.m4
@@ -236,10 +236,14 @@
             specific vlan_id.
         properties:
             xos_base_tenant_props
-            vlan_id:
+            s_tag:
                 type: string
                 required: false
-                description: vlan_id for connection to subscriber household.
+                description: s_tag, identifies which volt port
+            c_tag:
+                type: string
+                required: false
+                description: c_tag, identifies which subscriber within s_tag
 
     tosca.nodes.User:
         derived_from: tosca.nodes.Root
diff --git a/xos/tosca/custom_types/xos.yaml b/xos/tosca/custom_types/xos.yaml
index 4352ef5..63b4e0c 100644
--- a/xos/tosca/custom_types/xos.yaml
+++ b/xos/tosca/custom_types/xos.yaml
@@ -364,10 +364,14 @@
                 type: string
                 required: false
                 description: Service specific ID opaque to XOS but meaningful to service
-            vlan_id:
+            s_tag:
                 type: string
                 required: false
-                description: vlan_id for connection to subscriber household.
+                description: s_tag, identifies which volt port
+            c_tag:
+                type: string
+                required: false
+                description: c_tag, identifies which subscriber within s_tag
 
     tosca.nodes.User:
         derived_from: tosca.nodes.Root
diff --git a/xos/tosca/resources/VOLTTenant.py b/xos/tosca/resources/VOLTTenant.py
index f00b515..89c24e3 100644
--- a/xos/tosca/resources/VOLTTenant.py
+++ b/xos/tosca/resources/VOLTTenant.py
@@ -14,7 +14,7 @@
 class XOSVOLTTenant(XOSResource):
     provides = "tosca.nodes.VOLTTenant"
     xos_model = VOLTTenant
-    copyin_props = ["service_specific_id", "vlan_id"]
+    copyin_props = ["service_specific_id", "s_tag", "c_tag"]
     name_field = None
 
     def get_xos_args(self, throw_exception=True):
diff --git a/xos/tosca/samples/cord.yaml b/xos/tosca/samples/cord.yaml
index 477be2f..567ced0 100644
--- a/xos/tosca/samples/cord.yaml
+++ b/xos/tosca/samples/cord.yaml
@@ -125,7 +125,8 @@
         type: tosca.nodes.VOLTTenant
         properties:
             service_specific_id: 1234
-            vlan_id: 4321
+            s_tag: 222
+            c_tag: 432
         requirements:
             - provider_service:
                 node: service_volt