diff --git a/src/main/java/org/opencord/aaa/api/AaaConfig.java b/src/main/java/org/opencord/aaa/api/AaaConfig.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.api;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.google.common.collect.ImmutableSet;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.config.Config;
+import org.onosproject.net.config.basics.BasicElementConfig;
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.util.Set;
+
+import static org.onosproject.net.ConnectPoint.deviceConnectPoint;
+
+/**
+ * Network configuration for the AAA application.
+ */
+public class AaaConfig extends Config<ApplicationId> {
+
+    private static final String RADIUS_IP = "radiusIp";
+    private static final String RADIUS_SERVER_PORT = "radiusServerPort";
+    private static final String RADIUS_MAC = "radiusMac";
+    private static final String NAS_IP = "nasIp";
+    private static final String NAS_MAC = "nasMac";
+    private static final String RADIUS_SECRET = "radiusSecret";
+
+    private static final String RADIUS_VLAN_ID = "vlanId";
+    private static final String RADIUS_VLAN_PRIORITY_BIT = "radiusPBit";
+    private static final String RADIUS_CONNECTION_TYPE = "radiusConnectionType";
+    private static final String RADIUS_SERVER_CONNECTPOINTS = "radiusServerConnectPoints";
+
+    // === Configuration default values
+
+    // RADIUS server IP address
+    protected static final String DEFAULT_RADIUS_IP = "10.128.10.4";
+
+    /**
+     * Default RADIUS MAC address.
+     */
+    public static final String DEFAULT_RADIUS_MAC = "00:00:00:00:01:10";
+
+    /**
+     * Default NAS IP address.
+     */
+    public static final String DEFAULT_NAS_IP = "10.128.9.244";
+
+    /**
+     * Default NAS MAC address.
+     */
+    public static final String DEFAULT_NAS_MAC = "00:00:00:00:10:01";
+
+    // RADIUS server shared secret
+    protected static final String DEFAULT_RADIUS_SECRET = "ONOSecret";
+
+    // RADIUS Server UDP Port Number
+    protected static final String DEFAULT_RADIUS_SERVER_PORT = "1812";
+
+    // RADIUS Server Vlan ID
+    protected static final String DEFAULT_RADIUS_VLAN_ID = "4093";
+
+    // RADIUS Sever P-Bit
+    protected static final String DEFAULT_RADIUS_VLAN_PRIORITY_BIT = "3";
+
+    // Method of communication with the RADIUS server
+    protected static final String DEFAULT_RADIUS_CONNECTION_TYPE = "socket";
+
+
+    /**
+     * Returns the value of the specified string property from this
+     * configuration object, if such a property is defined; otherwise
+     * returns the specified default value.
+     *
+     * @param name         name of the property
+     * @param defaultValue default value if no such property defined
+     * @return property value if one is defined, default value otherwise
+     */
+    private String getStringProperty(String name, String defaultValue) {
+        return (object == null) ? defaultValue : get(name, defaultValue);
+    }
+
+    /**
+     * Returns the NAS IP address if defined, otherwise returns the default
+     * value {@value #DEFAULT_NAS_IP}.
+     *
+     * @return NAS IP address
+     */
+    public InetAddress nasIp() {
+        try {
+            return InetAddress.getByName(getStringProperty(NAS_IP,
+                                                           DEFAULT_NAS_IP));
+        } catch (UnknownHostException e) {
+            return null;
+        }
+    }
+
+    /**
+     * Sets the NAS IP address. Use null to clear the property.
+     *
+     * @param ip new IP address to set; specify null to clear
+     * @return self
+     */
+    public BasicElementConfig nasIp(String ip) {
+        return (BasicElementConfig) setOrClear(NAS_IP, ip);
+    }
+
+    /**
+     * Returns the RADIUS server IP address if defined, otherwise returns
+     * the default value {@value #DEFAULT_RADIUS_IP}.
+     *
+     * @return RADIUS server IP address
+     */
+    public InetAddress radiusIp() {
+        try {
+            return InetAddress.getByName(getStringProperty(RADIUS_IP,
+                                                           DEFAULT_RADIUS_IP));
+        } catch (UnknownHostException e) {
+            return null;
+        }
+    }
+
+    /**
+     * Sets the RADIUS server IP address. Use null to clear the property.
+     *
+     * @param ip new IP address to set; specify null to clear
+     * @return self
+     */
+    public BasicElementConfig radiusIp(String ip) {
+        return (BasicElementConfig) setOrClear(RADIUS_IP, ip);
+    }
+
+    /**
+     * Returns the RADIUS server MAC address if defined, otherwise returns the
+     * default value {@value #DEFAULT_RADIUS_MAC}.
+     *
+     * @return RADIUS server MAC address
+     */
+    public String radiusMac() {
+        return getStringProperty(RADIUS_MAC, DEFAULT_RADIUS_MAC);
+    }
+
+    /**
+     * Sets the RADIUS MAC address. Use null to clear the property.
+     *
+     * @param mac new MAC address to set; specify null to clear
+     * @return self
+     */
+    public BasicElementConfig radiusMac(String mac) {
+        return (BasicElementConfig) setOrClear(RADIUS_MAC, mac);
+    }
+
+    /**
+     * Returns the NAS MAC address if defined; otherwise returns the
+     * default value {@value #DEFAULT_NAS_MAC}.
+     *
+     * @return NAS MAC address
+     */
+    public String nasMac() {
+        return getStringProperty(NAS_MAC, DEFAULT_NAS_MAC);
+    }
+
+    /**
+     * Sets the NAS MAC address. Use null to clear the property.
+     *
+     * @param mac new MAC address to set; specify null to clear
+     * @return self
+     */
+    public BasicElementConfig nasMac(String mac) {
+        return (BasicElementConfig) setOrClear(NAS_MAC, mac);
+    }
+
+    /**
+     * Returns the RADIUS secret if defined; otherwise returns the
+     * default value {@value #DEFAULT_RADIUS_SECRET}.
+     *
+     * @return RADIUS secret
+     */
+    public String radiusSecret() {
+        return getStringProperty(RADIUS_SECRET, DEFAULT_RADIUS_SECRET);
+    }
+
+    /**
+     * Sets the RADIUS secret. Use null to clear the property.
+     *
+     * @param secret new RADIUS secret to set; specify null to clear
+     * @return self
+     */
+    public BasicElementConfig radiusSecret(String secret) {
+        return (BasicElementConfig) setOrClear(RADIUS_SECRET, secret);
+    }
+
+    /**
+     * Returns the RADIUS server UDP port if defined; otherwise returns the
+     * default value {@value #DEFAULT_RADIUS_SERVER_PORT}.
+     *
+     * @return RADIUS server UDP port
+     */
+    public short radiusServerUdpPort() {
+        return Short.parseShort(getStringProperty(RADIUS_SERVER_PORT,
+                                                  DEFAULT_RADIUS_SERVER_PORT));
+    }
+
+    /**
+     * Sets the RADIUS server UDP port. Use -1 to clear the property.
+     *
+     * @param port new RADIUS server UDP port to set; specify -1 to clear
+     * @return self
+     */
+    public BasicElementConfig radiusServerUdpPort(short port) {
+        return (BasicElementConfig) setOrClear(RADIUS_SERVER_PORT, (long) port);
+    }
+
+    // The following properties have getters only...
+
+    /**
+     * Returns the RADIUS server VLAN ID if defined; otherwise returns the
+     * default value {@value #DEFAULT_RADIUS_VLAN_ID}.
+     *
+     * @return RADIUS Server VLAN ID
+     */
+    public short radiusServerVlanId() {
+        return Short.parseShort(getStringProperty(RADIUS_VLAN_ID,
+                                                  DEFAULT_RADIUS_VLAN_ID));
+    }
+
+    /**
+     * Returns the type of connection to use to communicate with the
+     * RADIUS Server.
+     *
+     * @return "socket" or "packet_out"
+     */
+    public String radiusConnectionType() {
+        return getStringProperty(RADIUS_CONNECTION_TYPE,
+                                 DEFAULT_RADIUS_CONNECTION_TYPE);
+    }
+
+    /**
+     * Returns the RADIUS server VLAN priority bit (p-bit) if defined; otherwise
+     * returns the default value {@value #DEFAULT_RADIUS_VLAN_PRIORITY_BIT}.
+     *
+     * @return RADIUS server P-bit to use
+     */
+    public byte radiusServerPBit() {
+        return Byte.parseByte(getStringProperty(RADIUS_VLAN_PRIORITY_BIT,
+                                                DEFAULT_RADIUS_VLAN_PRIORITY_BIT));
+    }
+
+    /**
+     * Returns the set of connect points that may be used to reach the
+     * RADIUS server.
+     * <p>
+     * This method will return null if any string representation of the
+     * connect ports are malformed.
+     *
+     * @return the set of connect points to reach RADIUS
+     */
+    public Set<ConnectPoint> radiusServerConnectPoints() {
+        if (object == null || !object.has(RADIUS_SERVER_CONNECTPOINTS)) {
+            return ImmutableSet.of();
+        }
+
+        ImmutableSet.Builder<ConnectPoint> builder = ImmutableSet.builder();
+        ArrayNode cps = (ArrayNode) object.path(RADIUS_SERVER_CONNECTPOINTS);
+        for (JsonNode jsonNode : cps) {
+            String portName = jsonNode.asText(null);
+            if (portName == null) {
+                return null;
+            }
+
+            try {
+                builder.add(deviceConnectPoint(portName));
+            } catch (IllegalArgumentException e) {
+                return null;
+            }
+        }
+        return builder.build();
+    }
+}
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