diff --git a/models/yang/vnfd-base.yang b/models/yang/vnfd-base.yang
index 69f5265..f98e2d2 100644
--- a/models/yang/vnfd-base.yang
+++ b/models/yang/vnfd-base.yang
@@ -528,6 +528,14 @@
             type uint32;
           }
 
+          leaf mgmt-interface {
+            description
+                "Flag to indicate that this is the mgmt interface
+                to be used for VDU configuration";
+            type boolean;
+            default false;
+          }
+
           leaf type {
             description
                 "Type of the Interface";