Fixes bug 1424 by adding ip-address on virtual-network-interface-requirement

Change-Id: I65a25e58619c98523dfc09b5fe2c4af2f05596e4
Signed-off-by: garciaale <agarcia@whitestack.com>
diff --git a/models/augments/interface.yang b/models/augments/interface.yang
index a33eed1..ea04892 100644
--- a/models/augments/interface.yang
+++ b/models/augments/interface.yang
@@ -24,6 +24,10 @@
         prefix vnfd;
     }
 
+    import ietf-inet-types {
+        prefix inet;
+    }
+
     import common-augments {
         prefix common;
     }
@@ -38,6 +42,12 @@
             type uint32;
         }
 
+        leaf ip-address {
+            description
+              "IP address of the internal connection point";
+            type inet:ip-address;
+          }
+
         leaf mac-address {
             description
               "MAC address of the interface.
@@ -55,4 +65,4 @@
     augment "/vnfd:vnfd/vnfd:vdu/vnfd:int-cpd/vnfd:virtual-network-interface-requirement" {
         uses extended-interface;
     }
-}
\ No newline at end of file
+}