diff --git a/models/augments/various.yang b/models/augments/various.yang
index 23f86ca..71c10d1 100644
--- a/models/augments/various.yang
+++ b/models/augments/various.yang
@@ -58,6 +58,16 @@
             type boolean;
             default true;
         }
+        leaf port-security-disable-strategy {
+            description "Strategy to disable port security, either Enables the port security for the port.
+                         full                : disable port security in the whole port
+                         allow-address-pairs : allow address pairs for virtual IP (any virtual IP can be configured)";
+            type enumeration {
+                enum full;
+                enum allow-address-pairs;
+            }
+            default full;
+        }
     }
 
     grouping extended-vdu {
@@ -117,4 +127,5 @@
     augment "/vnfd:vnfd/vnfd:virtual-storage-desc" {
         uses extended-device-bus;
     }
-}
\ No newline at end of file
+}
+