diff --git a/src/main/java/org/onosproject/olt/OLT.java b/src/main/java/org/onosproject/olt/OLT.java
index c92f47a..9aa8865 100644
--- a/src/main/java/org/onosproject/olt/OLT.java
+++ b/src/main/java/org/onosproject/olt/OLT.java
@@ -15,7 +15,6 @@
  */
 package org.onosproject.olt;
 
-
 import com.google.common.base.Strings;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
@@ -24,13 +23,20 @@
 import org.apache.felix.scr.annotations.Property;
 import org.apache.felix.scr.annotations.Reference;
 import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.apache.felix.scr.annotations.Service;
 import org.onlab.packet.VlanId;
 import org.onlab.util.Tools;
 import org.onosproject.core.ApplicationId;
 import org.onosproject.core.CoreService;
+import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.Port;
 import org.onosproject.net.PortNumber;
+import org.onosproject.net.config.ConfigFactory;
+import org.onosproject.net.config.NetworkConfigEvent;
+import org.onosproject.net.config.NetworkConfigListener;
+import org.onosproject.net.config.NetworkConfigRegistry;
+import org.onosproject.net.config.basics.SubjectFactories;
 import org.onosproject.net.device.DeviceEvent;
 import org.onosproject.net.device.DeviceListener;
 import org.onosproject.net.device.DeviceService;
@@ -45,15 +51,17 @@
 import org.slf4j.Logger;
 
 import java.util.Dictionary;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 
 import static org.slf4j.LoggerFactory.getLogger;
 
 /**
- * Sample mobility application. Cleans up flowmods when a host moves.
+ * Provisions rules on access devices.
  */
+@Service
 @Component(immediate = true)
-public class OLT {
-
+public class OLT implements AccessDeviceService {
     private final Logger log = getLogger(getClass());
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
@@ -65,10 +73,14 @@
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected CoreService coreService;
 
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected NetworkConfigRegistry networkConfig;
+
     private final DeviceListener deviceListener = new InternalDeviceListener();
 
     private ApplicationId appId;
 
+    private static final VlanId DEFAULT_VLAN = VlanId.vlanId((short) 0);
     public static final int OFFSET = 200;
 
     public static final int UPLINK_PORT = 129;
@@ -94,11 +106,39 @@
             label = "The gfast device id")
     private String gfastDevice = GFAST_DEVICE;
 
+    private Map<DeviceId, AccessDeviceData> oltData = new ConcurrentHashMap<>();
+
+    private InternalNetworkConfigListener configListener =
+            new InternalNetworkConfigListener();
+    private static final Class<AccessDeviceConfig> CONFIG_CLASS =
+            AccessDeviceConfig.class;
+
+    private ConfigFactory<DeviceId, AccessDeviceConfig> configFactory =
+            new ConfigFactory<DeviceId, AccessDeviceConfig>(
+                    SubjectFactories.DEVICE_SUBJECT_FACTORY, CONFIG_CLASS, "accessDevice") {
+        @Override
+        public AccessDeviceConfig createConfig() {
+            return new AccessDeviceConfig();
+        }
+    };
 
     @Activate
     public void activate() {
         appId = coreService.registerApplication("org.onosproject.olt");
 
+        networkConfig.registerConfigFactory(configFactory);
+        networkConfig.addListener(configListener);
+
+        networkConfig.getSubjects(DeviceId.class, AccessDeviceConfig.class).forEach(
+                subject -> {
+                    AccessDeviceConfig config = networkConfig.getConfig(subject, AccessDeviceConfig.class);
+                    if (config != null) {
+                        AccessDeviceData data = config.getOlt();
+                        oltData.put(data.deviceId(), data);
+                    }
+                }
+        );
+
         /*deviceService.addListener(deviceListener);
 
         deviceService.getPorts(DeviceId.deviceId(oltDevice)).stream().forEach(
@@ -129,6 +169,8 @@
 
     @Deactivate
     public void deactivate() {
+        networkConfig.removeListener(configListener);
+        networkConfig.unregisterConfigFactory(configFactory);
         log.info("Stopped");
     }
 
@@ -136,16 +178,13 @@
     public void modified(ComponentContext context) {
         Dictionary<?, ?> properties = context.getProperties();
 
-
         String s = Tools.get(properties, "uplinkPort");
         uplinkPort = Strings.isNullOrEmpty(s) ? UPLINK_PORT : Integer.parseInt(s);
 
         s = Tools.get(properties, "oltDevice");
         oltDevice = Strings.isNullOrEmpty(s) ? OLT_DEVICE : s;
-
     }
 
-
     private short fetchVlanId(PortNumber port) {
         long p = port.toLong() + OFFSET;
         if (p > 4095) {
@@ -155,7 +194,6 @@
         return (short) p;
     }
 
-
     private void provisionVlanOnPort(String deviceId, int uplinkPort, PortNumber p, short vlanId) {
         DeviceId did = DeviceId.deviceId(deviceId);
 
@@ -198,7 +236,73 @@
 
         flowObjectiveService.forward(did, upFwd);
         flowObjectiveService.forward(did, downFwd);
+    }
 
+    @Override
+    public void provisionSubscriber(ConnectPoint port, VlanId vlan) {
+        AccessDeviceData olt = oltData.get(port.deviceId());
+
+        if (olt == null) {
+            log.warn("No data found for OLT device {}", port.deviceId());
+            return;
+        }
+
+        provisionVlans(olt.deviceId(), olt.uplink(), port.port(), vlan, olt.vlan());
+    }
+
+    private void provisionVlans(DeviceId deviceId, PortNumber uplinkPort,
+                                PortNumber subscriberPort,
+                                VlanId subscriberVlan, VlanId deviceVlan) {
+
+        TrafficSelector upstream = DefaultTrafficSelector.builder()
+                .matchVlanId(DEFAULT_VLAN)
+                .matchInPort(subscriberPort)
+                .build();
+
+        TrafficSelector downstream = DefaultTrafficSelector.builder()
+                .matchVlanId(deviceVlan)
+                .matchInPort(uplinkPort)
+                .build();
+
+        TrafficTreatment upstreamTreatment = DefaultTrafficTreatment.builder()
+                .setVlanId(subscriberVlan)
+                .pushVlan()
+                .setVlanId(deviceVlan)
+                .setOutput(uplinkPort)
+                .build();
+
+        TrafficTreatment downstreamTreatment = DefaultTrafficTreatment.builder()
+                .popVlan()
+                .setVlanId(DEFAULT_VLAN)
+                .setOutput(subscriberPort)
+                .build();
+
+
+        ForwardingObjective upFwd = DefaultForwardingObjective.builder()
+                .withFlag(ForwardingObjective.Flag.VERSATILE)
+                .withPriority(1000)
+                .makePermanent()
+                .withSelector(upstream)
+                .fromApp(appId)
+                .withTreatment(upstreamTreatment)
+                .add();
+
+        ForwardingObjective downFwd = DefaultForwardingObjective.builder()
+                .withFlag(ForwardingObjective.Flag.VERSATILE)
+                .withPriority(1000)
+                .makePermanent()
+                .withSelector(downstream)
+                .fromApp(appId)
+                .withTreatment(downstreamTreatment)
+                .add();
+
+        flowObjectiveService.forward(deviceId, upFwd);
+        flowObjectiveService.forward(deviceId, downFwd);
+    }
+
+    @Override
+    public void removeSubscriber(ConnectPoint port) {
+        throw new UnsupportedOperationException("Not yet implemented");
     }
 
     private class InternalDeviceListener implements DeviceListener {
@@ -226,7 +330,27 @@
         }
     }
 
+    private class InternalNetworkConfigListener implements NetworkConfigListener {
+        @Override
+        public void event(NetworkConfigEvent event) {
+            switch (event.type()) {
+
+            case CONFIG_ADDED:
+            case CONFIG_UPDATED:
+                if (event.configClass().equals(CONFIG_CLASS)) {
+                    AccessDeviceConfig config =
+                            networkConfig.getConfig((DeviceId) event.subject(), CONFIG_CLASS);
+                    if (config != null) {
+                        oltData.put(config.getOlt().deviceId(), config.getOlt());
+                    }
+                }
+                break;
+            case CONFIG_UNREGISTERED:
+            case CONFIG_REMOVED:
+            default:
+                break;
+            }
+        }
+    }
 
 }
-
-