Add change#2 of NFVIFA(19)000453

src/yang/etsi-nfv-vnf.yang

@@ -1250,7 +1250,23 @@ submodule etsi-nfv-vnf {
             }
           }
         }
+
+        leaf vip-cpd {
+          type leafref {
+            path "../../vip-cpd/id";
+          }
+          description
+            "Reference to the VIP CPD which is used to instantiate CPs
+             to hold virtual IP addresses. These CPs are, in turn,
+             exposed as external CPs defined by this external CPD.
+             One and only one of the following attributes shall be
+             present: intVirtualLinkDesc or intCpd or vipCpd .";
+          reference
+            "GS NFV-IFA011: Section 7.1.3.2, VnfExtCpd information
+             element";
+        }
       }
+
       uses virtual-network-interface-requirements;
 
       leaf nicio-requirements {