diff --git a/src/test/utils/McastTraffic.py b/src/test/utils/McastTraffic.py
index 7ab79a7..c25cb1a 100644
--- a/src/test/utils/McastTraffic.py
+++ b/src/test/utils/McastTraffic.py
@@ -1,3 +1,18 @@
+# 
+# Copyright 2016-present Ciena Corporation
+#
+# 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.
+#
 import threading
 import sys
 import os