diff --git a/protocols/ospf/protocol/src/main/java/org/onosproject/ospf/protocol/lsa/tlvtypes/OpaqueTopLevelTlvTypes.java b/protocols/ospf/protocol/src/main/java/org/onosproject/ospf/protocol/lsa/tlvtypes/OpaqueTopLevelTlvTypes.java
new file mode 100644
index 0000000..2337b50
--- /dev/null
+++ b/protocols/ospf/protocol/src/main/java/org/onosproject/ospf/protocol/lsa/tlvtypes/OpaqueTopLevelTlvTypes.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.ospf.protocol.lsa.tlvtypes;
+
+/**
+ * Representation of an OSPF Opaque top level tlv types.
+ */
+public enum OpaqueTopLevelTlvTypes {
+
+    ROUTER(1),
+    LINK(2);
+
+    private int value;
+
+    /**
+     * Creates an instance of Opaque top level tlv types.
+     *
+     * @param value
+     */
+    OpaqueTopLevelTlvTypes(int value) {
+        this.value = value;
+    }
+
+    /**
+     * Gets the tlv type value.
+     *
+     * @return tlv type value
+     */
+    public int value() {
+        return value;
+    }
+
+}