diff --git a/protocols/isis/isisio/src/main/java/org/onosproject/isis/io/isispacket/tlv/IpInternalReachabilityTlv.java b/protocols/isis/isisio/src/main/java/org/onosproject/isis/io/isispacket/tlv/IpInternalReachabilityTlv.java
new file mode 100644
index 0000000..fd92e1c
--- /dev/null
+++ b/protocols/isis/isisio/src/main/java/org/onosproject/isis/io/isispacket/tlv/IpInternalReachabilityTlv.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2016-present 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.isis.io.isispacket.tlv;
+
+import com.google.common.base.MoreObjects;
+import com.google.common.primitives.Bytes;
+import org.jboss.netty.buffer.ChannelBuffer;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Representation of IP internal reachability TLV.
+ */
+public class IpInternalReachabilityTlv extends TlvHeader implements IsisTlv {
+    private List<MetricOfInternalReachability> metricOfInternalReachability = new ArrayList<>();
+
+    /**
+     * Creates an instance of IP internal reachability TLV.
+     *
+     * @param tlvHeader tlvHeader.
+     */
+    public IpInternalReachabilityTlv(TlvHeader tlvHeader) {
+        this.setTlvType(tlvHeader.tlvType());
+        this.setTlvLength(tlvHeader.tlvLength());
+    }
+
+    /**
+     * Adds the metric of internal reachability to internal reachability TLV.
+     *
+     * @param metricValue metric of internal reachability
+     */
+    public void addInternalReachabilityMetric(MetricOfInternalReachability metricValue) {
+        this.metricOfInternalReachability.add(metricValue);
+    }
+
+    @Override
+    public void readFrom(ChannelBuffer channelBuffer) {
+        while (channelBuffer.readableBytes() > 0) {
+            MetricOfInternalReachability metricOfInternalReachability = new MetricOfInternalReachability();
+            metricOfInternalReachability.readFrom(channelBuffer);
+            this.metricOfInternalReachability.add(metricOfInternalReachability);
+        }
+    }
+
+    @Override
+    public byte[] asBytes() {
+        byte[] bytes = null;
+        byte[] tlvHeader = tlvHeaderAsByteArray();
+        byte[] tlvBody = tlvBodyAsBytes();
+        tlvHeader[1] = (byte) tlvBody.length;
+        bytes = Bytes.concat(tlvHeader, tlvBody);
+        return bytes;
+    }
+
+    /**
+     * Returns TLV body of internal reachability TLV.
+     *
+     * @return byteArray TLV body of area address TLV
+     */
+    private byte[] tlvBodyAsBytes() {
+        List<Byte> bytes = new ArrayList<>();
+        for (MetricOfInternalReachability metricOfInternalReachability :
+                this.metricOfInternalReachability) {
+            bytes.addAll(Bytes.asList(metricOfInternalReachability.asBytes()));
+        }
+        return Bytes.toArray(bytes);
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(getClass())
+                .omitNullValues()
+                .add("metricOfInternalReachability", metricOfInternalReachability)
+                .toString();
+    }
+}
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