diff --git a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/NodeFlagBitsSubTlv.java b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/NodeFlagBitsSubTlv.java
new file mode 100644
index 0000000..88b40f2
--- /dev/null
+++ b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/NodeFlagBitsSubTlv.java
@@ -0,0 +1,233 @@
+/*
+ * 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.pcepio.types;
+
+import java.util.Objects;
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.onosproject.pcepio.protocol.PcepVersion;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * Provide node Flags bits.
+ */
+public class NodeFlagBitsSubTlv implements PcepValueType {
+
+    /* Reference :[I-D.ietf-idr- ls-distribution] /3.3.1.1
+     * 0                   1                   2                   3
+      0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+     |              Type=[TBD21]      |             Length=1         |
+     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+     |O|T|E|B| Reserved|
+     +-+-+-+-+-+-+-+-+-+
+     */
+
+    protected static final Logger log = LoggerFactory.getLogger(NodeFlagBitsSubTlv.class);
+
+    public static final short TYPE = 13;
+    public static final short LENGTH = 1;
+    public static final int SET = 1;
+    public static final byte OFLAG_SET = (byte) 0x80;
+    public static final byte TFLAG_SET = 0x40;
+    public static final byte EFLAG_SET = 0x20;
+    public static final byte BFLAG_SET = 0x10;
+
+    private final byte rawValue;
+    private final boolean bOFlag;
+    private final boolean bTFlag;
+    private final boolean bEFlag;
+    private final boolean bBFlag;
+    private final boolean isRawValueSet;
+
+    /**
+     * constructor to initialize rawValue.
+     *
+     * @param rawValue of Node Flag Bits TLV
+     */
+    public NodeFlagBitsSubTlv(byte rawValue) {
+        this.rawValue = rawValue;
+        isRawValueSet = true;
+        this.bOFlag = (rawValue & OFLAG_SET) == OFLAG_SET;
+        this.bTFlag = (rawValue & TFLAG_SET) == TFLAG_SET;
+        this.bEFlag = (rawValue & EFLAG_SET) == EFLAG_SET;
+        this.bBFlag = (rawValue & BFLAG_SET) == BFLAG_SET;
+    }
+
+    /**
+     * constructor to initialize different Flags.
+     *
+     * @param bOFlag O-flag
+     * @param bTFlag T-flag
+     * @param bEFlag E-flag
+     * @param bBFlag B-flag
+     */
+    public NodeFlagBitsSubTlv(boolean bOFlag, boolean bTFlag, boolean bEFlag, boolean bBFlag) {
+        this.bOFlag = bOFlag;
+        this.bTFlag = bTFlag;
+        this.bEFlag = bEFlag;
+        this.bBFlag = bBFlag;
+        this.rawValue = 0;
+        this.isRawValueSet = false;
+    }
+
+    /**
+     * Returns newly created NodeFlagBitsTlv object.
+     *
+     * @param raw of Node Flag Bits TLV
+     * @return new object of NodeFlagBitsTlv
+     */
+    public static NodeFlagBitsSubTlv of(final byte raw) {
+        return new NodeFlagBitsSubTlv(raw);
+    }
+
+    /**
+     * Returns raw value of NodeFlagBitsTlv.
+     *
+     * @return rawValue raw value
+     */
+    public byte getbyte() {
+        return rawValue;
+    }
+
+    /**
+     * Returns O-flag.
+     *
+     * @return bOFlag O-flag
+     */
+    public boolean getOFlag() {
+        return bOFlag;
+    }
+
+    /**
+     * Returns T-flag.
+     *
+     * @return bTFlag T-flag
+     */
+    public boolean getTFlag() {
+        return bTFlag;
+    }
+
+    /**
+     * Returns E-flag.
+     *
+     * @return bEFlag E-flag
+     */
+    public boolean getEFlag() {
+        return bEFlag;
+    }
+
+    /**
+     * Returns B-flag.
+     *
+     * @return bBFlag B-flag
+     */
+    public boolean getBFlag() {
+        return bBFlag;
+    }
+
+    @Override
+    public PcepVersion getVersion() {
+        return PcepVersion.PCEP_1;
+    }
+
+    @Override
+    public short getType() {
+        return TYPE;
+    }
+
+    @Override
+    public short getLength() {
+        return LENGTH;
+    }
+
+    @Override
+    public int hashCode() {
+        if (isRawValueSet) {
+            return Objects.hash(rawValue);
+        } else {
+            return Objects.hash(bOFlag, bTFlag, bEFlag, bBFlag);
+        }
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof NodeFlagBitsSubTlv) {
+            NodeFlagBitsSubTlv other = (NodeFlagBitsSubTlv) obj;
+            if (isRawValueSet) {
+                return Objects.equals(this.rawValue, other.rawValue);
+            } else {
+                return Objects.equals(this.bOFlag, other.bOFlag) && Objects.equals(this.bTFlag, other.bTFlag)
+                        && Objects.equals(this.bEFlag, other.bEFlag) && Objects.equals(this.bBFlag, other.bBFlag);
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public int write(ChannelBuffer c) {
+        int iLenStartIndex = c.writerIndex();
+        c.writeShort(TYPE);
+        c.writeShort(LENGTH);
+        if (isRawValueSet) {
+            c.writeByte(rawValue);
+        } else {
+            byte temp = 0;
+            if (bOFlag) {
+                temp = (byte) (temp | OFLAG_SET);
+            }
+            if (bTFlag) {
+                temp = (byte) (temp | TFLAG_SET);
+            }
+            if (bEFlag) {
+                temp = (byte) (temp | EFLAG_SET);
+            }
+            if (bBFlag) {
+                temp = (byte) (temp | BFLAG_SET);
+            }
+            c.writeByte(temp);
+        }
+        return c.writerIndex() - iLenStartIndex;
+    }
+
+    /**
+     * Reads the channel buffer and returns object of NodeFlagBitsTlv.
+     *
+     * @param c input channel buffer
+     * @return object of NodeFlagBitsTlv
+     */
+    public static PcepValueType read(ChannelBuffer c) {
+
+        return NodeFlagBitsSubTlv.of(c.readByte());
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(getClass())
+                .add("Type", TYPE)
+                .add("Length", LENGTH)
+                .add("OFlag", (bOFlag) ? 1 : 0)
+                .add("TFlag", (bTFlag) ? 1 : 0)
+                .add("EFlag", (bEFlag) ? 1 : 0)
+                .add("BFlag", (bBFlag) ? 1 : 0)
+                .toString();
+    }
+}