diff --git a/xos/synchronizer/models/att-workflow-driver.xproto b/xos/synchronizer/models/att-workflow-driver.xproto
index 603e059..f19494d 100644
--- a/xos/synchronizer/models/att-workflow-driver.xproto
+++ b/xos/synchronizer/models/att-workflow-driver.xproto
@@ -28,7 +28,7 @@
         max_length = 256];
     required int32 uni_port_id = 5 [
         help_text = "ONU UNI port ID"];
-    required string onu_state = 6 [
+    required string admin_onu_state = 6 [
         help_text = "ONU administrative state",
         choices = "(('AWAITING', 'Awaiting'), ('ENABLED', 'Enabled'), ('DISABLED', 'Disabled'))",
         default = "AWAITING",
@@ -51,6 +51,12 @@
         help_text = "Subscriber MAC address, leanred from DHCP",
         feedback_state = True,
         max_length = 20];
+    required string oper_onu_status = 11 [
+        help_text = "ONU operational state",
+        choices = "(('AWAITING', 'Awaiting'), ('ENABLED', 'Enabled'), ('DISABLED', 'Disabled'))",
+        default = "AWAITING",
+        feedback_state = True,
+        max_length = 256];
 }
 
 message AttWorkflowDriverWhiteListEntry (XOSBase) {