diff --git a/app/src/main/java/org/opencord/aaa/impl/PacketCustomizer.java b/app/src/main/java/org/opencord/aaa/impl/PacketCustomizer.java
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+++ b/app/src/main/java/org/opencord/aaa/impl/PacketCustomizer.java
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+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * 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.opencord.aaa.impl;
+
+import org.onlab.packet.Ethernet;
+import org.onlab.packet.RADIUS;
+
+import org.onosproject.net.packet.InboundPacket;
+
+/**
+ * Default RADIUS Packet Customization.
+ * Does not change the packet
+ *
+ * Subclasses should implement filling of attributes depending on specifics ofsetup/RADIUS server
+ */
+public class  PacketCustomizer {
+
+    protected CustomizationInfo customInfo;
+
+    public PacketCustomizer(CustomizationInfo info) {
+        this.customInfo = info;
+    }
+
+    /**
+     * Customize the packet as per specific Setup or RADIUS server requirements.
+     *
+     * @param inPkt RADIUS packet to be customized
+     * @param eapPacket Incoming packet containing EAP for which this the RADIUS message is being created
+     * @return Customized RADIUS packet
+     */
+    public RADIUS customizePacket(RADIUS inPkt, InboundPacket eapPacket) {
+        return inPkt;
+    }
+
+    /**
+     * Customize the Ethernet header as per specific Setup or RADIUS server requirements.
+     *
+     * @param inPkt Ethernet packet to be changed
+     * @param eapPacket Incoming packet containing EAP for which this the
+     *                  RADIUS message is being created
+     * @return Changed Ethernet packet
+     */
+    public Ethernet customizeEthernetIPHeaders(Ethernet inPkt,
+                                               InboundPacket eapPacket) {
+        return inPkt;
+    }
+}