diff --git a/utils/misc/src/main/java/org/onlab/packet/dhcp/Dhcp6InterfaceIdOption.java b/utils/misc/src/main/java/org/onlab/packet/dhcp/Dhcp6InterfaceIdOption.java
new file mode 100644
index 0000000..abb8257
--- /dev/null
+++ b/utils/misc/src/main/java/org/onlab/packet/dhcp/Dhcp6InterfaceIdOption.java
@@ -0,0 +1,137 @@
+/*
+ * Copyright 2017-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.onlab.packet.dhcp;
+import org.onlab.packet.MacAddress;
+import com.google.common.base.MoreObjects;
+import org.onlab.packet.DHCP6;
+import org.onlab.packet.Deserializer;
+import org.onlab.packet.DeserializationException;
+
+
+import java.nio.ByteBuffer;
+
+/**
+ * Relay option for DHCPv6.
+ * Based on RFC-3315.
+ */
+public final class Dhcp6InterfaceIdOption extends Dhcp6Option {
+    private MacAddress peerMacAddr;
+    private byte[] inPort;
+    @Override
+    public short getCode() {
+        return DHCP6.OptionCode.INTERFACE_ID.value();
+    }
+
+    @Override
+    public short getLength() {
+        return (short) payload.serialize().length;
+    }
+
+    @Override
+    public byte[] getData() {
+        return this.payload.serialize();
+    }
+
+    /**
+     * Default constructor.
+     */
+    public Dhcp6InterfaceIdOption() {
+    }
+
+    /**
+     * Constructs a DHCPv6 relay option with DHCPv6 option.
+     *
+     * @param dhcp6Option the DHCPv6 option
+     */
+    public Dhcp6InterfaceIdOption(Dhcp6Option dhcp6Option) {
+        super(dhcp6Option);
+    }
+
+    /**
+     * Sets MacAddress address.
+     *
+     * @param macAddress the client peer MacAddress
+     */
+    public void setMacAddress(MacAddress macAddress) {
+        this.peerMacAddr = macAddress;
+    }
+
+    /**
+     * Gets Mac address.
+     *
+     * @return the client peer mac address
+     */
+    public MacAddress getMacAddress() {
+        return peerMacAddr;
+    }
+
+    /**
+     * Sets inPort string.
+     *
+     * @param port the port from which client packet is received
+     */
+    public void setInPort(byte[] port) {
+        this.inPort = port;
+    }
+
+    /**
+     * Gets inPort string.
+     *
+     * @return the port from which client packet is received
+     */
+    public byte[] getInPort() {
+        return inPort;
+    }
+
+    /**
+     * Gets deserializer for DHCPv6 relay option.
+     *
+     * @return the deserializer
+     */
+    public static Deserializer<Dhcp6Option> deserializer() {
+        return (data, offset, len) -> {
+            Dhcp6Option dhcp6Option = Dhcp6Option.deserializer().deserialize(data, offset, len);
+            if (dhcp6Option.getLength() < DEFAULT_LEN) {
+                throw new DeserializationException("Invalid InterfaceIoption data");
+            }
+            Dhcp6InterfaceIdOption interfaceIdOption = new Dhcp6InterfaceIdOption(dhcp6Option);
+            byte[] optionData = interfaceIdOption.getData();
+            if (optionData.length >= 28) {
+                ByteBuffer bb = ByteBuffer.wrap(optionData);
+
+                byte[] macAddr = new byte[MacAddress.MAC_ADDRESS_LENGTH];
+                byte[] port = new byte[21];
+                bb.get(macAddr);
+                bb.get();  // separator
+                bb.get(port);
+                interfaceIdOption.setMacAddress(MacAddress.valueOf(macAddr));
+                interfaceIdOption.setInPort(port);
+            }
+            return interfaceIdOption;
+        };
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(getClass())
+                .add("code", getCode())
+                .add("length", getLength())
+                .add("data", payload.toString())
+                .toString();
+    }
+}