diff --git a/apps/t3/src/main/java/org/onosproject/t3/impl/McastGenerator.java b/apps/t3/src/main/java/org/onosproject/t3/impl/McastGenerator.java
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+++ b/apps/t3/src/main/java/org/onosproject/t3/impl/McastGenerator.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2018-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.onosproject.t3.impl;
+
+import com.google.common.collect.ImmutableSet;
+import org.onlab.packet.EthType;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.MacAddress;
+import org.onlab.packet.VlanId;
+import org.onosproject.mcast.api.McastRouteData;
+import org.onosproject.mcast.api.MulticastRouteService;
+import org.onosproject.net.flow.DefaultTrafficSelector;
+import org.onosproject.net.flow.TrafficSelector;
+import org.onosproject.t3.api.StaticPacketTrace;
+import org.slf4j.Logger;
+
+import java.util.Set;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Implementation of the generator class that yields a set of Packet Traces.
+ */
+public class McastGenerator extends Generator<Set<StaticPacketTrace>> {
+
+    private static final Logger log = getLogger(McastGenerator.class);
+    protected static final MacAddress IPV4_ADDRESS = MacAddress.valueOf("01:00:5E:00:00:00");
+    protected static final MacAddress IPV6_ADDRESS = MacAddress.valueOf("33:33:00:00:00:00");
+
+    private final MulticastRouteService mcastService;
+    private final TroubleshootManager manager;
+    private final VlanId vlanId;
+
+    /**
+     * Creates a generator for obtaining traces of all configured multicast routes.
+     *
+     * @param service the host service
+     * @param manager the troubleshoot manager issuing the request.
+     * @param vlanId  the multicast configured VlanId.
+     */
+    McastGenerator(MulticastRouteService service, TroubleshootManager manager, VlanId vlanId) {
+        this.mcastService = service;
+        this.manager = manager;
+        this.vlanId = vlanId;
+    }
+
+    @Override
+    protected void run() {
+        mcastService.getRoutes().forEach(route -> {
+            McastRouteData routeData = mcastService.routeData(route);
+            IpAddress group = route.group();
+            routeData.sources().forEach(source -> {
+                TrafficSelector.Builder selector = DefaultTrafficSelector.builder()
+                        .matchVlanId(vlanId)
+                        .matchInPort(source.port());
+                if (group.isIp4()) {
+                    selector.matchEthDst(IPV4_ADDRESS)
+                            .matchIPDst(group.toIpPrefix())
+                            .matchEthType(EthType.EtherType.IPV4.ethType().toShort());
+                } else {
+                    selector.matchEthDst(IPV6_ADDRESS)
+                            .matchIPv6Dst(group.toIpPrefix())
+                            .matchEthType(EthType.EtherType.IPV6.ethType().toShort());
+                }
+                try {
+                    yield(ImmutableSet.of(manager.trace(selector.build(), source)));
+                } catch (InterruptedException e) {
+                    log.warn("Interrupted generator", e.getMessage());
+                    log.debug("exception", e);
+                }
+            });
+
+        });
+
+    }
+}