diff --git a/aether-roc-umbrella/Chart.yaml b/aether-roc-umbrella/Chart.yaml
index c684a61..1370121 100644
--- a/aether-roc-umbrella/Chart.yaml
+++ b/aether-roc-umbrella/Chart.yaml
@@ -7,7 +7,7 @@
 description: Aether ROC Umbrella chart to deploy all Aether ROC
 kubeVersion: ">=1.18.0"
 type: application
-version: 1.4.27
+version: 1.4.28
 appVersion: v0.0.0
 keywords:
   - aether
@@ -28,7 +28,7 @@
   - name: config-model-aether-4
     condition: onos-config.models.aether.v4.enabled
     repository: "file://../config-models/aether-4.x"
-    version: 4.0.10
+    version: 4.0.11
   - name: config-model-plproxy
     condition: onos-config.models.plproxy.v1.enabled
     repository: "file://../config-models/plproxy-1.x"
diff --git a/config-models/aether-4.x/Chart.yaml b/config-models/aether-4.x/Chart.yaml
index bc43853..85e6241 100644
--- a/config-models/aether-4.x/Chart.yaml
+++ b/config-models/aether-4.x/Chart.yaml
@@ -4,7 +4,7 @@
 
 apiVersion: v2
 name: config-model-aether-4
-version: 4.0.10
+version: 4.0.11
 kubeVersion: ">=1.18.0"
 appVersion: 4.0.0
 description: Aether config model
diff --git a/config-models/aether-4.x/files/aether-4.0.0.tree b/config-models/aether-4.x/files/aether-4.0.0.tree
index 735ce23..e47bf9f 100644
--- a/config-models/aether-4.x/files/aether-4.0.0.tree
+++ b/config-models/aether-4.x/files/aether-4.0.0.tree
@@ -148,6 +148,7 @@
         +--rw upf?                -> /upf:upf/upf/id
         +--rw description?        at:description
         +--rw enterprise          -> /ent:enterprise/enterprise/id
+        +--rw site                -> /st:site/site/id
         +--rw sst                 at:sst
         +--rw sd                  at:sd
         +--rw slice
diff --git a/config-models/aether-4.x/files/yang/onf-application.yang b/config-models/aether-4.x/files/yang/onf-application.yang
index 6bfbb4c..9d0bc6c 100755
--- a/config-models/aether-4.x/files/yang/onf-application.yang
+++ b/config-models/aether-4.x/files/yang/onf-application.yang
@@ -89,14 +89,14 @@
           description "Maximum bitrate";
           leaf uplink {
             type at:bitrate;
-            units mbr;
-            description "Per-Device per-Application mbr uplink data rate in mbps";
+            units bps;
+            description "Per-Device per-Application MBR uplink data rate in bps";
           }
 
           leaf downlink {
             type at:bitrate;
-            units mbr;
-            description "Per-Device per application mbr downlink data rate in mbps";
+            units bps;
+            description "Per-Device per application MBR downlink data rate in bps";
           }
         }
         leaf traffic-class {
diff --git a/config-models/aether-4.x/files/yang/onf-device-group.yang b/config-models/aether-4.x/files/yang/onf-device-group.yang
index 6dca9a3..12d89c7 100755
--- a/config-models/aether-4.x/files/yang/onf-device-group.yang
+++ b/config-models/aether-4.x/files/yang/onf-device-group.yang
@@ -94,14 +94,14 @@
           leaf uplink {
             type at:bitrate;
             units bps;
-            description "Per-device mbr uplink data rate in mbps";
+            description "Per-device MBR uplink data rate in bps";
             mandatory true;
           }
 
           leaf downlink {
             type at:bitrate;
             units bps;
-            description "Per-device mbr downlink data rate in mbps";
+            description "Per-device MBR downlink data rate in bps";
             mandatory true;
           }
         }
diff --git a/config-models/aether-4.x/files/yang/onf-template.yang b/config-models/aether-4.x/files/yang/onf-template.yang
index 0ab16a3..4be976f 100755
--- a/config-models/aether-4.x/files/yang/onf-template.yang
+++ b/config-models/aether-4.x/files/yang/onf-template.yang
@@ -64,13 +64,13 @@
           leaf uplink {
             type at:bitrate;
             units bps;
-            description "Per-Slice mbr uplink data rate in mbps";
+            description "Per-Slice MBR uplink data rate in bps";
           }
 
           leaf downlink {
             type at:bitrate;
             units bps;
-            description "Per-Slice mbr downlink data rate in mbps";
+            description "Per-Slice MBR downlink data rate in bps";
           }
         }
       }
@@ -80,7 +80,7 @@
         mandatory true;
         description
           "Default behavior if no filter rules match";
-      }      
+      }
 
       leaf description {
         type at:description;
diff --git a/config-models/aether-4.x/files/yang/onf-vcs.yang b/config-models/aether-4.x/files/yang/onf-vcs.yang
index 7373d1b..9573a00 100755
--- a/config-models/aether-4.x/files/yang/onf-vcs.yang
+++ b/config-models/aether-4.x/files/yang/onf-vcs.yang
@@ -13,6 +13,7 @@
   import onf-enterprise{ prefix ent; }
   import onf-template{ prefix vt; }
   import onf-upf { prefix upf; }
+  import onf-site{ prefix st; }
 
   organization "Open Networking Foundation.";
   contact "Scott Baker";
@@ -128,6 +129,15 @@
           "Link to enterprise that owns this VCS";
       }
 
+      leaf site {
+        type leafref {
+          path "/st:site/st:site/st:id";
+        }
+        description
+          "Link to site where this VCS is deployed";
+        mandatory true;
+      }
+
       // the following are populated from the template
       leaf sst {
         type at:sst;
@@ -148,13 +158,13 @@
           leaf uplink {
             type at:bitrate;
             units bps;
-            description "Per-Slice mbr uplink data rate in mbps";
+            description "Per-Slice MBR uplink data rate in bps";
           }
 
           leaf downlink {
             type at:bitrate;
             units bps;
-            description "Per-Slice mbr downlink data rate in mbps";
+            description "Per-Slice MBR downlink data rate in bps";
           }
         }
       }