diff --git a/core/net/src/test/java/org/onosproject/net/neighbour/impl/NeighbourTestUtils.java b/core/net/src/test/java/org/onosproject/net/neighbour/impl/NeighbourTestUtils.java
new file mode 100644
index 0000000..ed5ed0c
--- /dev/null
+++ b/core/net/src/test/java/org/onosproject/net/neighbour/impl/NeighbourTestUtils.java
@@ -0,0 +1,89 @@
+/*
+ * Copyright 2016-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.net.neighbour.impl;
+
+import org.onlab.packet.ARP;
+import org.onlab.packet.Ethernet;
+import org.onlab.packet.Ip4Address;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.MacAddress;
+import org.onlab.packet.VlanId;
+import org.onosproject.net.intf.Interface;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.host.InterfaceIpAddress;
+
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Test utilities.
+ */
+public final class NeighbourTestUtils {
+
+    private static final MacAddress MAC1 = MacAddress.valueOf(1);
+    private static final MacAddress MAC2 = MacAddress.valueOf(2);
+    private static final IpAddress IP2 = IpAddress.valueOf(2);
+
+    private NeighbourTestUtils() {
+
+    }
+
+    /**
+     * Creates an ARP request for the given target IP.
+     *
+     * @param targetIp IP address
+     * @return ARP request packet
+     */
+    public static Ethernet createArpRequest(IpAddress targetIp) {
+        Ethernet eth = new Ethernet();
+        eth.setDestinationMACAddress(MAC1);
+        eth.setSourceMACAddress(MAC2);
+        eth.setEtherType(Ethernet.TYPE_ARP);
+
+        ARP arp = new ARP();
+        arp.setOpCode(ARP.OP_REPLY);
+        arp.setProtocolType(ARP.PROTO_TYPE_IP);
+        arp.setHardwareType(ARP.HW_TYPE_ETHERNET);
+
+        arp.setProtocolAddressLength((byte) Ip4Address.BYTE_LENGTH);
+        arp.setHardwareAddressLength((byte) Ethernet.DATALAYER_ADDRESS_LENGTH);
+        arp.setSenderHardwareAddress(MAC2.toBytes());
+        arp.setTargetHardwareAddress(MacAddress.ZERO.toBytes());
+
+        arp.setTargetProtocolAddress(targetIp.toOctets());
+        arp.setSenderProtocolAddress(IP2.toOctets());
+
+        eth.setPayload(arp);
+        return eth;
+    }
+
+    /**
+     * Creates an interface with the given parameters. The IP prefix is assumed
+     * to be a /24.
+     *
+     * @param cp connect point
+     * @param ip IP address
+     * @param mac MAC address
+     * @param vlan VLAN ID
+     * @return interface
+     */
+    public static Interface intf(ConnectPoint cp, IpAddress ip, MacAddress mac, VlanId vlan) {
+        List<InterfaceIpAddress> ips =
+                Collections.singletonList(InterfaceIpAddress.valueOf(ip.toString() + "/24"));
+        return new Interface("foo", cp, ips, mac, vlan);
+    }
+}