diff --git a/providers/bgp/topology/src/test/java/org/onosproject/provider/bgp/topology/impl/BgpTopologyProviderTest.java b/providers/bgp/topology/src/test/java/org/onosproject/provider/bgp/topology/impl/BgpTopologyProviderTest.java
index 7401fa5..6206ac1 100644
--- a/providers/bgp/topology/src/test/java/org/onosproject/provider/bgp/topology/impl/BgpTopologyProviderTest.java
+++ b/providers/bgp/topology/src/test/java/org/onosproject/provider/bgp/topology/impl/BgpTopologyProviderTest.java
@@ -16,6 +16,8 @@
 import static org.hamcrest.core.Is.is;
 import static org.hamcrest.core.IsNot.not;
 import static org.onosproject.net.Link.State.ACTIVE;
+import static org.onosproject.net.MastershipRole.MASTER;
+import static org.hamcrest.Matchers.nullValue;
 
 import java.util.Collection;
 import java.util.HashMap;
@@ -29,7 +31,11 @@
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
+import org.onlab.junit.TestUtils;
+import org.onlab.junit.TestUtils.TestUtilsException;
 import org.onlab.packet.ChassisId;
+import org.onlab.packet.Ip4Address;
+import org.onlab.util.Bandwidth;
 import org.onosproject.bgp.controller.BgpLinkListener;
 import org.onosproject.bgp.controller.BgpNodeListener;
 import org.onosproject.bgpio.exceptions.BgpParseException;
@@ -43,9 +49,26 @@
 import org.onosproject.bgpio.types.AutonomousSystemTlv;
 import org.onosproject.bgpio.types.BgpValueType;
 import org.onosproject.bgpio.types.IsIsNonPseudonode;
+import org.onosproject.bgpio.types.LinkStateAttributes;
+import org.onosproject.incubator.net.resource.label.LabelResourceAdminService;
+import org.onosproject.incubator.net.resource.label.LabelResourceId;
+import org.onosproject.incubator.net.resource.label.LabelResourcePool;
+import org.onosproject.mastership.MastershipEvent;
+import org.onosproject.mastership.MastershipListener;
+import org.onosproject.mastership.MastershipServiceAdapter;
+import org.onosproject.mastership.MastershipEvent.Type;
+import org.onosproject.net.link.LinkServiceAdapter;
 import org.onosproject.bgpio.types.LinkLocalRemoteIdentifiersTlv;
 import org.onosproject.bgpio.types.RouteDistinguisher;
+import org.onosproject.bgpio.types.attr.BgpAttrNodeFlagBitTlv;
+import org.onosproject.bgpio.types.attr.BgpAttrNodeIsIsAreaId;
+import org.onosproject.bgpio.types.attr.BgpAttrRouterIdV4;
+import org.onosproject.bgpio.types.attr.BgpLinkAttrIgpMetric;
+import org.onosproject.bgpio.types.attr.BgpLinkAttrMaxLinkBandwidth;
+import org.onosproject.bgpio.types.attr.BgpLinkAttrTeDefaultMetric;
 import org.onosproject.bgpio.util.Constants;
+import org.onosproject.cluster.NodeId;
+import org.onosproject.cluster.RoleInfo;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DefaultDevice;
 import org.onosproject.net.DefaultLink;
@@ -53,6 +76,11 @@
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.Link;
 import org.onosproject.net.MastershipRole;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.config.Config;
+import org.onosproject.net.config.ConfigApplyDelegate;
+import org.onosproject.net.config.ConfigFactory;
+import org.onosproject.net.config.NetworkConfigRegistryAdapter;
 import org.onosproject.net.device.DeviceDescription;
 import org.onosproject.net.device.DeviceProvider;
 import org.onosproject.net.device.DeviceProviderRegistry;
@@ -65,6 +93,15 @@
 import org.onosproject.net.link.LinkProviderRegistry;
 import org.onosproject.net.link.LinkProviderService;
 import org.onosproject.net.provider.ProviderId;
+import org.onosproject.net.resource.BandwidthCapacity;
+import org.onosproject.net.resource.Resource;
+import org.onosproject.net.resource.ResourceAdminService;
+import org.onosproject.net.resource.ResourceId;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.JsonNodeFactory;
+import com.fasterxml.jackson.databind.node.ObjectNode;
 
 /**
  * Test for BGP topology provider.
@@ -73,21 +110,31 @@
     private static final DeviceId DID2 = DeviceId.deviceId("l3:rd=0::routinguniverse=0:asn=10");
     private static final String UNKNOWN = new String("unknown");
     public static ProviderId providerId = new ProviderId("l3", "foo");
+    private static final NodeId NODE1 = new NodeId("Master1");
 
     private final BgpTopologyProvider provider = new BgpTopologyProvider();
     private final TestDeviceRegistry nodeRegistry = new TestDeviceRegistry();
     private final TestLinkRegistry linkRegistry = new TestLinkRegistry();
     private final MockBgpController controller = new MockBgpController();
     private MockDeviceService deviceService = new MockDeviceService();
+    private MockLinkService linkService = new MockLinkService();
+    private MockMastershipService mastershipService = new MockMastershipService();
+    private MockNetConfigRegistryAdapter networkConfigService = new MockNetConfigRegistryAdapter();
+    private MockLabelResourceService labelResourceAdminService = new MockLabelResourceService();
     private Map<DeviceId, Device> deviceMap = new HashMap<>();
-
+    private MastershipListener listener;
 
     @Before
-    public void startUp() {
+    public void startUp() throws TestUtilsException {
         provider.deviceProviderRegistry = nodeRegistry;
         provider.linkProviderRegistry = linkRegistry;
         provider.controller = controller;
         provider.deviceService = deviceService;
+        provider.linkService = linkService;
+        provider.labelResourceAdminService = labelResourceAdminService;
+        provider.mastershipService = mastershipService;
+        provider.networkConfigService = networkConfigService;
+        listener = TestUtils.getField(provider, "masterListener");
         provider.activate();
         assertThat("device provider should be registered", not(nodeRegistry.provider));
         assertThat("link provider should be registered", not(linkRegistry.linkProvider));
@@ -101,15 +148,177 @@
         provider.controller = null;
         provider.deviceService = null;
         provider.deviceProviderRegistry = null;
+        provider.linkService = null;
+        provider.mastershipService = null;
+        provider.networkConfigService = null;
+        provider.labelResourceAdminService = null;
         assertThat(controller.nodeListener, is(new HashSet<BgpNodeListener>()));
         assertThat(controller.linkListener, is(new HashSet<BgpLinkListener>()));
     }
 
+    private class MockLabelResourceService implements LabelResourceAdminService {
+
+        Map<DeviceId, LabelResourcePool> resourcePool = new HashMap<>();
+
+        @Override
+        public boolean createDevicePool(DeviceId deviceId, LabelResourceId beginLabel, LabelResourceId endLabel) {
+            LabelResourcePool labelResource = new LabelResourcePool(deviceId.toString(),
+                    beginLabel.labelId(),
+                    endLabel.labelId());
+            if (resourcePool.containsValue(labelResource)) {
+                return false;
+            }
+
+            resourcePool.put(deviceId, labelResource);
+            return true;
+        }
+
+        @Override
+        public boolean createGlobalPool(LabelResourceId beginLabel, LabelResourceId endLabel) {
+            // TODO Auto-generated method stub
+            return false;
+        }
+
+        @Override
+        public boolean destroyDevicePool(DeviceId deviceId) {
+            LabelResourcePool devicePool = resourcePool.get(deviceId);
+
+            if (devicePool == null) {
+                return false;
+            }
+
+            resourcePool.remove(deviceId);
+            return true;
+        }
+
+        @Override
+        public boolean destroyGlobalPool() {
+            // TODO Auto-generated method stub
+            return false;
+        }
+    }
+
+    /* Mock test for device service */
+    private class MockNetConfigRegistryAdapter extends NetworkConfigRegistryAdapter {
+        private ConfigFactory cfgFactory;
+        private Map<ConnectPoint, BandwidthCapacity> classConfig = new HashMap<>();
+
+        @Override
+        public void registerConfigFactory(ConfigFactory configFactory) {
+            cfgFactory = configFactory;
+        }
+
+        @Override
+        public void unregisterConfigFactory(ConfigFactory configFactory) {
+            cfgFactory = null;
+        }
+
+        @Override
+        public <S, C extends Config<S>> C addConfig(S subject, Class<C> configClass) {
+            if (configClass == BandwidthCapacity.class) {
+                BandwidthCapacity devCap = new BandwidthCapacity();
+                classConfig.put((ConnectPoint) subject, devCap);
+
+                JsonNode node = new ObjectNode(new MockJsonNode());
+                ObjectMapper mapper = new ObjectMapper();
+                ConfigApplyDelegate delegate = new InternalApplyDelegate();
+                devCap.init((ConnectPoint) subject, null, node, mapper, delegate);
+                return (C) devCap;
+            }
+
+            return null;
+        }
+
+        @Override
+        public <S, C extends Config<S>> void removeConfig(S subject, Class<C> configClass) {
+            classConfig.remove(subject);
+        }
+
+        @Override
+        public <S, C extends Config<S>> C getConfig(S subject, Class<C> configClass) {
+            if (configClass == BandwidthCapacity.class) {
+                return (C) classConfig.get(subject);
+            }
+            return null;
+        }
+
+        private class MockJsonNode extends JsonNodeFactory {
+        }
+
+        // Auxiliary delegate to receive notifications about changes applied to
+        // the network configuration - by the apps.
+        private class InternalApplyDelegate implements ConfigApplyDelegate {
+            @Override
+            public void onApply(Config config) {
+            }
+        }
+    }
+
+    private class MockMastershipService extends MastershipServiceAdapter {
+        @Override
+        public MastershipRole getLocalRole(DeviceId deviceId) {
+            return MASTER;
+        }
+
+        @Override
+        public boolean isLocalMaster(DeviceId deviceId) {
+            return getLocalRole(deviceId) == MASTER;
+        }
+
+        @Override
+        public NodeId getMasterFor(DeviceId deviceId) {
+            return NODE1;
+        }
+    }
+
+    private class MockResourceAdminService implements ResourceAdminService {
+        Map<ResourceId, List<Resource>> registeredRes = new HashMap<>();
+
+        @Override
+        public boolean register(List<Resource> resources) {
+            for (Resource res : resources) {
+                List<Resource> resource = new LinkedList<>();
+                resource.add(res);
+                if (registeredRes.containsKey(res.id())) {
+                    resource.addAll(registeredRes.get(res.id()));
+                }
+                registeredRes.put(res.id(), resource);
+            }
+            return true;
+        }
+
+        @Override
+        public boolean unregister(List<ResourceId> ids) {
+            for (ResourceId id : ids) {
+                if (registeredRes.containsKey(id)) {
+                    registeredRes.remove(id);
+                } else {
+                    return false;
+                }
+            }
+            return true;
+        }
+    }
+
+    private class MockLinkService extends LinkServiceAdapter {
+
+        @Override
+        public Link getLink(ConnectPoint src, ConnectPoint dst) {
+            for (Link link : linkRegistry.links) {
+                if (link.src().equals(src) && link.dst().equals(dst)) {
+                    return link;
+                }
+            }
+            return null;
+        }
+    }
+
     /* Class implement device test registry */
     private class TestDeviceRegistry implements DeviceProviderRegistry {
         DeviceProvider provider;
 
         Set<DeviceId> connected = new HashSet<>();
+        Map<DeviceId, List<PortDescription>> portUpdated = new HashMap<>();
 
         @Override
         public DeviceProviderService register(DeviceProvider provider) {
@@ -138,7 +347,7 @@
                 if (!deviceId.equals(DID2)) {
                     connected.add(deviceId);
                     Device device = new DefaultDevice(BgpTopologyProviderTest.providerId, deviceId, Device.Type.ROUTER,
-                            UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, new ChassisId());
+                            UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, new ChassisId(), deviceDescription.annotations());
                     deviceMap.put(deviceId, device);
                 }
             }
@@ -153,8 +362,7 @@
 
             @Override
             public void updatePorts(DeviceId deviceId, List<PortDescription> portDescriptions) {
-                // TODO Auto-generated method stub
-
+                portUpdated.put(deviceId, portDescriptions);
             }
 
             @Override
@@ -202,9 +410,14 @@
 
             @Override
             public void linkDetected(LinkDescription linkDescription) {
-                links.add(DefaultLink.builder().src(linkDescription.src())
-                        .dst(linkDescription.dst()).state(ACTIVE).type(linkDescription.type())
-                        .providerId(BgpTopologyProviderTest.providerId).build());
+                links.add(DefaultLink.builder()
+                        .src(linkDescription.src())
+                        .dst(linkDescription.dst())
+                        .state(ACTIVE)
+                        .type(linkDescription.type())
+                        .providerId(BgpTopologyProviderTest.providerId)
+                        .annotations(linkDescription.annotations())
+                        .build());
             }
 
             @Override
@@ -349,6 +562,59 @@
         }
     }
 
+
+    /**
+     * Validate node is added to the device with all device annotations.
+     */
+    @Test
+    public void bgpTopologyProviderTestAddDevice4() {
+        LinkedList<BgpValueType> subTlvs = new LinkedList<>();
+        BgpValueType tlv = new AutonomousSystemTlv(100);
+        short deslength = AutonomousSystemTlv.LENGTH;
+        short desType = AutonomousSystemTlv.TYPE;
+
+        subTlvs.add(tlv);
+        BgpNodeLSIdentifier localNodeDescriptors = new BgpNodeLSIdentifier(new NodeDescriptors(subTlvs, deslength,
+                                                                                               desType));
+        BgpNodeLSNlriVer4 nodeNlri = new BgpNodeLSNlriVer4(0, (byte) Constants.DIRECT, localNodeDescriptors, false,
+                                                           new RouteDistinguisher());
+
+        PathAttrNlriDetails details = new PathAttrNlriDetails();
+        details.setIdentifier(0);
+        details.setProtocolID(ProtocolType.DIRECT);
+        List<BgpValueType> pathAttributes = new LinkedList<>();
+        List<BgpValueType> linkStateAttr = new LinkedList<>();
+        tlv = BgpAttrNodeFlagBitTlv.of(true, true, true, false);
+        linkStateAttr.add(tlv);
+        tlv = BgpAttrNodeIsIsAreaId.of(new byte[] {01, 01, 01, 01});
+        linkStateAttr.add(tlv);
+        tlv = BgpAttrRouterIdV4.of(Ip4Address.valueOf("1.1.1.1"), LinkStateAttributes.ATTR_NODE_IPV4_LOCAL_ROUTER_ID);
+        linkStateAttr.add(tlv);
+        pathAttributes.add(new LinkStateAttributes(linkStateAttr));
+        details.setPathAttribute(pathAttributes);
+
+        for (BgpNodeListener l : controller.nodeListener) {
+            l.addNode(nodeNlri, details);
+
+            assertThat(deviceMap.values().iterator().next().annotations().value(BgpTopologyProvider.ABR_BIT),
+                    is("false"));
+            assertThat(deviceMap.values().iterator().next().annotations().value(BgpTopologyProvider.EXTERNAL_BIT),
+                    is("true"));
+            assertThat(deviceMap.values().iterator().next().annotations().value(BgpTopologyProvider.INTERNAL_BIT),
+                    is("false"));
+            assertThat(deviceMap.values().iterator().next().annotations().value(BgpTopologyProvider.PSEUDO),
+                    is("false"));
+            assertThat(deviceMap.values().iterator().next().annotations().value(BgpTopologyProvider.AREAID).getBytes(),
+                    is(new byte[] {01, 01, 01, 01}));
+            assertThat(deviceMap.values().iterator().next().annotations().value(BgpTopologyProvider.LSRID),
+                    is("1.1.1.1"));
+
+            assertThat(nodeRegistry.connected.size(), is(1));
+            l.deleteNode(nodeNlri);
+            assertThat(nodeRegistry.connected.size(), is(0));
+        }
+    }
+
     /**
      * Add a link and two devices.
      *
@@ -460,6 +726,82 @@
     }
 
     /**
+     * Add a link and delete a link with registering/unregistering bandwidth.
+     *
+     * @throws BgpParseException while adding or removing the link
+     * @throws InterruptedException while registering for bandwidth
+     */
+    @Test
+    public void bgpTopologyProviderTestAddLink3() throws BgpParseException, InterruptedException {
+        LinkedList<BgpValueType> localTlvs = new LinkedList<>();
+        LinkedList<BgpValueType> remoteTlvs = new LinkedList<>();
+        LinkedList<BgpValueType> linkdes = new LinkedList<>();
+        BgpValueType tlv = new AutonomousSystemTlv(10);
+        short deslength = AutonomousSystemTlv.LENGTH;
+        short desType = AutonomousSystemTlv.TYPE;
+
+        localTlvs.add(tlv);
+        remoteTlvs.add(tlv);
+        tlv = IsIsNonPseudonode.of(new byte[] {20, 20, 20, 20, 00, 20});
+        localTlvs.add(tlv);
+        tlv = IsIsNonPseudonode.of(new byte[] {30, 30, 30, 30, 00, 30});
+        remoteTlvs.add(tlv);
+        NodeDescriptors localNode = new NodeDescriptors(localTlvs, deslength, desType);
+        NodeDescriptors remoteNode = new NodeDescriptors(remoteTlvs, deslength, desType);
+        BgpNodeLSIdentifier localNodeDescriptors = new BgpNodeLSIdentifier(localNode);
+        BgpNodeLSNlriVer4 nodeNlri = new BgpNodeLSNlriVer4(0, (byte) Constants.DIRECT, localNodeDescriptors, false,
+                                                           new RouteDistinguisher());
+
+        BgpNodeLSIdentifier remoteNodeDescriptors = new BgpNodeLSIdentifier(remoteNode);
+        BgpNodeLSNlriVer4 remNodeNlri = new BgpNodeLSNlriVer4(0, (byte) Constants.DIRECT, remoteNodeDescriptors, false,
+                                                           new RouteDistinguisher());
+
+        PathAttrNlriDetails details = new PathAttrNlriDetails();
+        details.setIdentifier(0);
+        details.setProtocolID(ProtocolType.DIRECT);
+        List<BgpValueType> pathAttributes = new LinkedList<>();
+        details.setPathAttribute(pathAttributes);
+
+        tlv = LinkLocalRemoteIdentifiersTlv.of(99, 100);
+        linkdes.add(tlv);
+        BgpLinkLSIdentifier linkId = new BgpLinkLSIdentifier(localNode, remoteNode, linkdes);
+        BgpLinkLsNlriVer4 linkNlri = new BgpLinkLsNlriVer4((byte) Constants.DIRECT, 0, linkId,
+                new RouteDistinguisher(), false);
+
+        for (BgpNodeListener l : controller.nodeListener) {
+            l.addNode(nodeNlri, details);
+            assertThat(nodeRegistry.connected.size(), is(1));
+            l.addNode(remNodeNlri, details);
+            assertThat(nodeRegistry.connected.size(), is(2));
+            l.deleteNode(remNodeNlri);
+            assertThat(nodeRegistry.connected.size(), is(1));
+        }
+
+        List<BgpValueType> linkPathAttributes = new LinkedList<>();
+        List<BgpValueType> linkStateAttr = new LinkedList<>();
+        tlv = BgpLinkAttrIgpMetric.of(10, 4);
+        linkStateAttr.add(tlv);
+        tlv = BgpLinkAttrTeDefaultMetric.of(20);
+        linkStateAttr.add(tlv);
+        tlv = BgpLinkAttrMaxLinkBandwidth.of(30, LinkStateAttributes.ATTR_LINK_MAX_RES_BANDWIDTH);
+        linkStateAttr.add(tlv);
+        linkPathAttributes.add(new LinkStateAttributes(linkStateAttr));
+        details.setPathAttribute(linkPathAttributes);
+
+        for (BgpLinkListener l : controller.linkListener) {
+            l.addLink(linkNlri, details);
+            assertThat(linkRegistry.links.size(), is(1));
+            assertThat(linkRegistry.links.iterator().next().annotations().value(BgpTopologyProvider.COST),
+                    is("10"));
+            assertThat(linkRegistry.links.iterator().next().annotations().value(BgpTopologyProvider.TE_COST),
+                    is("20"));
+
+            l.deleteLink(linkNlri);
+            assertThat(linkRegistry.links.size(), is(0));
+        }
+    }
+
+    /**
      * Invalid link.
      *
      * @throws BgpParseException while adding or deleting a link
@@ -512,4 +854,188 @@
             assertThat(linkRegistry.links.size(), is(0));
         }
     }
+
+    /**
+     * Add device check label registration is done.
+     *
+     * @throws BgpParseException while adding a device
+     */
+    @Test
+    public void bgpTopologyProviderDeviceTestLabel1() throws BgpParseException {
+        LinkedList<BgpValueType> subTlvs = new LinkedList<>();
+        BgpValueType tlv = new AutonomousSystemTlv(100);
+        short deslength = AutonomousSystemTlv.LENGTH;
+        short desType = AutonomousSystemTlv.TYPE;
+
+        subTlvs.add(tlv);
+        BgpNodeLSIdentifier localNodeDescriptors = new BgpNodeLSIdentifier(new NodeDescriptors(subTlvs, deslength,
+                                                                                               desType));
+        BgpNodeLSNlriVer4 nodeNlri = new BgpNodeLSNlriVer4(0, (byte) Constants.DIRECT, localNodeDescriptors, false,
+                                                           new RouteDistinguisher());
+
+        PathAttrNlriDetails details = new PathAttrNlriDetails();
+        details.setIdentifier(0);
+        details.setProtocolID(ProtocolType.DIRECT);
+        List<BgpValueType> pathAttributes = new LinkedList<>();
+        List<BgpValueType> linkStateAttributes = new LinkedList<>();
+        tlv = BgpAttrRouterIdV4.of(Ip4Address.valueOf("1.1.1.1"), LinkStateAttributes.ATTR_NODE_IPV4_LOCAL_ROUTER_ID);
+        linkStateAttributes.add(tlv);
+        pathAttributes.add(new LinkStateAttributes(linkStateAttributes));
+        details.setPathAttribute(pathAttributes);
+
+        for (BgpNodeListener l : controller.nodeListener) {
+            l.addNode(nodeNlri, details);
+            assertThat(nodeRegistry.connected.size(), is(1));
+        }
+
+        MastershipEvent event = new MastershipEvent(Type.MASTER_CHANGED, nodeRegistry.connected.iterator().next(),
+                new RoleInfo(NodeId.nodeId("Node1"), new LinkedList<>()));
+
+        listener.event(event);
+        assertThat(labelResourceAdminService.resourcePool.keySet().size(), is(1));
+    }
+
+    /**
+     * Add device check label registration is done and delete node destroy label pool.
+     *
+     * @throws BgpParseException while adding a device
+     */
+    @Test
+    public void bgpTopologyProviderDeviceTestLabel2() throws BgpParseException {
+        LinkedList<BgpValueType> subTlvs = new LinkedList<>();
+        BgpValueType tlv = new AutonomousSystemTlv(100);
+        short deslength = AutonomousSystemTlv.LENGTH;
+        short desType = AutonomousSystemTlv.TYPE;
+
+        subTlvs.add(tlv);
+        BgpNodeLSIdentifier localNodeDescriptors = new BgpNodeLSIdentifier(new NodeDescriptors(subTlvs, deslength,
+                                                                                               desType));
+        BgpNodeLSNlriVer4 nodeNlri = new BgpNodeLSNlriVer4(0, (byte) Constants.DIRECT, localNodeDescriptors, false,
+                                                           new RouteDistinguisher());
+
+        PathAttrNlriDetails details = new PathAttrNlriDetails();
+        details.setIdentifier(0);
+        details.setProtocolID(ProtocolType.DIRECT);
+        List<BgpValueType> pathAttributes = new LinkedList<>();
+        List<BgpValueType> linkStateAttributes = new LinkedList<>();
+        tlv = BgpAttrRouterIdV4.of(Ip4Address.valueOf("1.1.1.1"), LinkStateAttributes.ATTR_NODE_IPV4_LOCAL_ROUTER_ID);
+        linkStateAttributes.add(tlv);
+        pathAttributes.add(new LinkStateAttributes(linkStateAttributes));
+        details.setPathAttribute(pathAttributes);
+
+        for (BgpNodeListener l : controller.nodeListener) {
+            l.addNode(nodeNlri, details);
+            assertThat(nodeRegistry.connected.size(), is(1));
+            // Check label resource reserved for that device
+            MastershipEvent event = new MastershipEvent(Type.MASTER_CHANGED, nodeRegistry.connected.iterator().next(),
+                    new RoleInfo(NodeId.nodeId("Node1"), new LinkedList<>()));
+            listener.event(event);
+            assertThat(labelResourceAdminService.resourcePool.keySet().size(), is(1));
+
+            l.deleteNode(nodeNlri);
+            assertThat(nodeRegistry.connected.size(), is(0));
+            assertThat(labelResourceAdminService.resourcePool.keySet().size(), is(0));
+        }
+    }
+
+    /**
+     * Add a link register bandwidth and remove link unregister bandwidth.
+     *
+     * @throws BgpParseException while registering/unregistering bandwidth
+     */
+    @Test
+    public void bgpTopologyProviderDeviceTestLabel3() throws BgpParseException {
+        LinkedList<BgpValueType> localTlvs = new LinkedList<>();
+        LinkedList<BgpValueType> remoteTlvs = new LinkedList<>();
+        LinkedList<BgpValueType> linkdes = new LinkedList<>();
+        BgpValueType tlv = new AutonomousSystemTlv(10);
+        short deslength = AutonomousSystemTlv.LENGTH;
+        short desType = AutonomousSystemTlv.TYPE;
+
+        localTlvs.add(tlv);
+        remoteTlvs.add(tlv);
+        tlv = IsIsNonPseudonode.of(new byte[] {20, 20, 20, 20, 00, 20});
+        localTlvs.add(tlv);
+        tlv = IsIsNonPseudonode.of(new byte[] {30, 30, 30, 30, 00, 30});
+        remoteTlvs.add(tlv);
+        NodeDescriptors localNode = new NodeDescriptors(localTlvs, deslength, desType);
+        NodeDescriptors remoteNode = new NodeDescriptors(remoteTlvs, deslength, desType);
+        BgpNodeLSIdentifier localNodeDescriptors = new BgpNodeLSIdentifier(localNode);
+        BgpNodeLSNlriVer4 nodeNlri = new BgpNodeLSNlriVer4(0, (byte) Constants.DIRECT, localNodeDescriptors, false,
+                                                           new RouteDistinguisher());
+
+        BgpNodeLSIdentifier remoteNodeDescriptors = new BgpNodeLSIdentifier(remoteNode);
+        BgpNodeLSNlriVer4 remNodeNlri = new BgpNodeLSNlriVer4(0, (byte) Constants.DIRECT, remoteNodeDescriptors, false,
+                                                           new RouteDistinguisher());
+
+        PathAttrNlriDetails details = new PathAttrNlriDetails();
+        details.setIdentifier(0);
+        details.setProtocolID(ProtocolType.DIRECT);
+        List<BgpValueType> pathAttributes = new LinkedList<>();
+        List<BgpValueType> linkStateAttributes = new LinkedList<>();
+        tlv = BgpAttrRouterIdV4.of(Ip4Address.valueOf("1.1.1.1"), LinkStateAttributes.ATTR_NODE_IPV4_LOCAL_ROUTER_ID);
+        linkStateAttributes.add(tlv);
+        pathAttributes.add(new LinkStateAttributes(linkStateAttributes));
+        details.setPathAttribute(pathAttributes);
+
+        tlv = LinkLocalRemoteIdentifiersTlv.of(99, 100);
+        linkdes.add(tlv);
+        BgpLinkLSIdentifier linkId = new BgpLinkLSIdentifier(localNode, remoteNode, linkdes);
+        BgpLinkLsNlriVer4 linkNlri = new BgpLinkLsNlriVer4((byte) Constants.DIRECT, 0, linkId,
+                new RouteDistinguisher(), false);
+
+        for (BgpNodeListener l : controller.nodeListener) {
+            l.addNode(nodeNlri, details);
+            assertThat(nodeRegistry.connected.size(), is(1));
+            //Check label resource reserved for that device
+            MastershipEvent event = new MastershipEvent(Type.MASTER_CHANGED, nodeRegistry.connected.iterator().next(),
+                    new RoleInfo(NodeId.nodeId("Node1"), new LinkedList<>()));
+            listener.event(event);
+            assertThat(labelResourceAdminService.resourcePool.keySet().size(), is(1));
+            l.addNode(remNodeNlri, details);
+            assertThat(nodeRegistry.connected.size(), is(2));
+            l.deleteNode(remNodeNlri);
+            assertThat(nodeRegistry.connected.size(), is(1));
+            assertThat(labelResourceAdminService.resourcePool.keySet().size(), is(1));
+        }
+
+        List<BgpValueType> linkPathAttributes = new LinkedList<>();
+        List<BgpValueType> linkStateAttr = new LinkedList<>();
+        tlv = BgpLinkAttrIgpMetric.of(10, 4);
+        linkStateAttr.add(tlv);
+        tlv = BgpLinkAttrTeDefaultMetric.of(20);
+        linkStateAttr.add(tlv);
+        tlv = BgpLinkAttrMaxLinkBandwidth.of(70, LinkStateAttributes.ATTR_LINK_MAX_RES_BANDWIDTH);
+        linkStateAttr.add(tlv);
+        linkPathAttributes.add(new LinkStateAttributes(linkStateAttr));
+        details.setPathAttribute(linkPathAttributes);
+
+        for (BgpLinkListener l : controller.linkListener) {
+            l.addLink(linkNlri, details);
+            assertThat(linkRegistry.links.size(), is(1));
+            assertThat(linkRegistry.links.iterator().next().annotations().value(BgpTopologyProvider.COST),
+                    is("10"));
+            assertThat(linkRegistry.links.iterator().next().annotations().value(BgpTopologyProvider.TE_COST),
+                    is("20"));
+
+            ConnectPoint src = new ConnectPoint(
+                    DeviceId.deviceId("l3:rd=0::routinguniverse=0:asn=10:isoid=1414.1414.0014"),
+                    PortNumber.portNumber(4294967395L));
+            ConnectPoint dst = new ConnectPoint(
+                    DeviceId.deviceId("l3:rd=0::routinguniverse=0:asn=10:isoid=1e1e.1e1e.001e"),
+                    PortNumber.portNumber(4294967396L));
+            BandwidthCapacity bandwidth = networkConfigService.getConfig(src, BandwidthCapacity.class);
+            assertThat(bandwidth.capacity().bps(), is(70.0 * 1_000_000L));
+
+            bandwidth = networkConfigService.getConfig(dst, BandwidthCapacity.class);
+            assertThat(bandwidth.capacity(), is(Bandwidth.bps(70.0 * 1_000_000L)));
+
+            l.deleteLink(linkNlri);
+            assertThat(linkRegistry.links.size(), is(0));
+            bandwidth = networkConfigService.getConfig(src, BandwidthCapacity.class);
+            assertThat(bandwidth, is(nullValue()));
+            bandwidth = networkConfigService.getConfig(dst, BandwidthCapacity.class);
+            assertThat(bandwidth, is(nullValue()));
+        }
+    }
 }