diff --git a/cli/src/main/java/org/onosproject/cli/net/GroupsListCommand.java b/cli/src/main/java/org/onosproject/cli/net/GroupsListCommand.java
new file mode 100644
index 0000000..cb5ba42
--- /dev/null
+++ b/cli/src/main/java/org/onosproject/cli/net/GroupsListCommand.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.cli.net;
+
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.device.DeviceService;
+import org.onosproject.net.group.Group;
+import org.onosproject.net.group.GroupService;
+
+/**
+ * Lists all groups in the system.
+ */
+@Command(scope = "onos", name = "groups",
+        description = "Lists all groups in the system")
+public class GroupsListCommand extends AbstractShellCommand {
+
+    private static final String FORMAT =
+            "   key=%s, id=%s, state=%s, bytes=%s, packets=%s, appId=%s, buckets=%s";
+
+    @Override
+    protected void execute() {
+        DeviceService deviceService = get(DeviceService.class);
+        GroupService groupService = get(GroupService.class);
+
+        deviceService.getDevices().forEach(d ->
+                printGroups(d.id(), groupService.getGroups(d.id()))
+        );
+    }
+
+    private void printGroups(DeviceId deviceId, Iterable<Group> groups) {
+        print("deviceId=%s", deviceId);
+        for (Group group : groups) {
+            print(FORMAT, group.appCookie(), group.id(), group.state(),
+                  group.bytes(), group.packets(), group.appId(), group.buckets());
+        }
+    }
+}