diff --git a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/DefaultFlowClassifier.java b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/DefaultFlowClassifier.java
index fc360d8..4f3a5a0 100644
--- a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/DefaultFlowClassifier.java
+++ b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/DefaultFlowClassifier.java
@@ -34,6 +34,7 @@
     private final String description;
     private final String etherType;
     private final String protocol;
+    private final int priority;
     private final int minSrcPortRange;
     private final int maxSrcPortRange;
     private final int minDstPortRange;
@@ -47,6 +48,7 @@
     private static final String TENANT_ID_NOT_NULL = "Tenant id can not be null.";
     private static final String NAME_NOT_NULL = "Name can not be null.";
     private static final String ETHER_TYPE_NOT_NULL = "Ether Type can not be null.";
+    private static final int DEFAULT_CLASSIFIER_PRIORITY = 0xFFFF;
 
     /**
      * Constructor to create default flow classifier.
@@ -57,6 +59,7 @@
      * @param description           flow classifier description
      * @param etherType             etherType
      * @param protocol              IP protocol
+     * @param priority              priority for classification
      * @param minSrcPortRange       Minimum Source port range
      * @param maxSrcPortRange       Maximum Source port range
      * @param minDstPortRange       Minimum destination port range
@@ -67,15 +70,17 @@
      * @param dstPort               destination VirtualPort
      */
     private DefaultFlowClassifier(FlowClassifierId flowClassifierId, TenantId tenantId, String name,
-            String description, String etherType, String protocol, int minSrcPortRange, int maxSrcPortRange,
-            int minDstPortRange, int maxDstPortRange, IpPrefix srcIpPrefix, IpPrefix dstIpPrefix,
-            VirtualPortId srcPort, VirtualPortId dstPort) {
+                                  String description, String etherType, String protocol, int priority,
+                                  int minSrcPortRange, int maxSrcPortRange, int minDstPortRange, int maxDstPortRange,
+                                  IpPrefix srcIpPrefix, IpPrefix dstIpPrefix, VirtualPortId srcPort,
+                                  VirtualPortId dstPort) {
         this.flowClassifierId = flowClassifierId;
         this.tenantId = tenantId;
         this.name = name;
         this.description = description;
         this.etherType = etherType;
         this.protocol = protocol;
+        this.priority = priority;
         this.minSrcPortRange = minSrcPortRange;
         this.maxSrcPortRange = maxSrcPortRange;
         this.minDstPortRange = minDstPortRange;
@@ -117,6 +122,11 @@
     }
 
     @Override
+    public int priority() {
+        return priority;
+    }
+
+    @Override
     public int minSrcPortRange() {
         return minSrcPortRange;
     }
@@ -169,6 +179,8 @@
         private String etherType;
         private String protocol;
         private boolean isProtocolSet = false;
+        private int priority;
+        private boolean isPrioritySet = false;
         private int minSrcPortRange;
         private boolean isMinSrcPortRangeSet = false;
         private int maxSrcPortRange;
@@ -195,6 +207,7 @@
             checkNotNull(etherType, ETHER_TYPE_NOT_NULL);
             String description = null;
             String protocol = null;
+            int priority = DEFAULT_CLASSIFIER_PRIORITY;
             int minSrcPortRange = NULL_PORT;
             int maxSrcPortRange = NULL_PORT;
             int minDstPortRange = NULL_PORT;
@@ -210,6 +223,9 @@
             if (isProtocolSet) {
                 protocol = this.protocol;
             }
+            if (isPrioritySet) {
+                priority = this.priority;
+            }
             if (isMinSrcPortRangeSet) {
                 minSrcPortRange = this.minSrcPortRange;
             }
@@ -236,8 +252,8 @@
             }
 
             return new DefaultFlowClassifier(flowClassifierId, tenantId, name, description, etherType, protocol,
-                    minSrcPortRange, maxSrcPortRange, minDstPortRange, maxDstPortRange, srcIpPrefix, dstIpPrefix,
-                    srcPort, dstPort);
+                                             priority, minSrcPortRange, maxSrcPortRange, minDstPortRange,
+                                             maxDstPortRange, srcIpPrefix, dstIpPrefix, srcPort, dstPort);
         }
 
         @Override
@@ -279,6 +295,13 @@
         }
 
         @Override
+        public Builder setPriority(int priority) {
+            this.priority = priority;
+            this.isPrioritySet = true;
+            return this;
+        }
+
+        @Override
         public Builder setMinSrcPortRange(int minSrcPortRange) {
             this.minSrcPortRange = minSrcPortRange;
             this.isMinSrcPortRangeSet = true;
@@ -354,6 +377,7 @@
                     && Objects.equals(this.description, other.description)
                     && Objects.equals(this.etherType, other.etherType)
                     && Objects.equals(this.protocol, other.protocol)
+                    && Objects.equals(this.priority, other.priority)
                     && Objects.equals(this.minSrcPortRange, other.minSrcPortRange)
                     && Objects.equals(this.maxSrcPortRange, other.maxSrcPortRange)
                     && Objects.equals(this.minDstPortRange, other.minDstPortRange)
@@ -375,6 +399,7 @@
                 && Objects.equals(this.description, flowClassifier.description())
                 && Objects.equals(this.etherType, flowClassifier.etherType())
                 && Objects.equals(this.protocol, flowClassifier.protocol())
+                && Objects.equals(this.priority, flowClassifier.priority())
                 && Objects.equals(this.minSrcPortRange, flowClassifier.minSrcPortRange())
                 && Objects.equals(this.maxSrcPortRange, flowClassifier.maxSrcPortRange())
                 && Objects.equals(this.minDstPortRange, flowClassifier.minDstPortRange())
@@ -394,6 +419,7 @@
                 .add("Description", description)
                 .add("String", etherType)
                 .add("Protocol", protocol)
+                .add("Priority", priority)
                 .add("MinSrcPortRange", minSrcPortRange)
                 .add("MaxSrcPortRange", maxSrcPortRange)
                 .add("MinDstPortRange", minDstPortRange)
diff --git a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/FlowClassifier.java b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/FlowClassifier.java
index 26bf718..8903253 100644
--- a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/FlowClassifier.java
+++ b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/FlowClassifier.java
@@ -68,6 +68,13 @@
     String protocol();
 
     /**
+     * Returns priority.
+     *
+     * @return priority
+     */
+    int priority();
+
+    /**
      * Returns minimum source port range.
      *
      * @return minimum source port range
@@ -193,6 +200,14 @@
         Builder setProtocol(String protocol);
 
         /**
+         * Sets priority.
+         *
+         * @param priority priority
+         * @return builder object by setting priority
+         */
+        Builder setPriority(int priority);
+
+        /**
          * Set minimum source port range.
          *
          * @param minRange minimum source port range
diff --git a/apps/vtn/vtnrsc/src/test/java/org/onosproject/vtnrsc/DefaultFlowClassifierTest.java b/apps/vtn/vtnrsc/src/test/java/org/onosproject/vtnrsc/DefaultFlowClassifierTest.java
index d312e80..fea2326 100644
--- a/apps/vtn/vtnrsc/src/test/java/org/onosproject/vtnrsc/DefaultFlowClassifierTest.java
+++ b/apps/vtn/vtnrsc/src/test/java/org/onosproject/vtnrsc/DefaultFlowClassifierTest.java
@@ -46,6 +46,7 @@
         final String description = "FlowClassifier1";
         final String ethType = "IPv4";
         final String protocol = "tcp";
+        final int priority = 65535;
         final int minSrcPortRange = 5;
         final int maxSrcPortRange = 10;
         final int minDstPortRange = 5;
@@ -60,22 +61,25 @@
         DefaultFlowClassifier.Builder flowClassifierBuilder = new DefaultFlowClassifier.Builder();
         final FlowClassifier flowClassifier1 = flowClassifierBuilder.setFlowClassifierId(flowClassifierId)
                 .setTenantId(tenantId).setName(name).setDescription(description).setEtherType(ethType)
-                .setProtocol(protocol).setMinSrcPortRange(minSrcPortRange).setMaxSrcPortRange(maxSrcPortRange)
-                .setMinDstPortRange(minDstPortRange).setMaxDstPortRange(maxDstPortRange).setSrcIpPrefix(srcIpPrefix)
-                .setDstIpPrefix(dstIpPrefix).setSrcPort(virtualSrcPort).setDstPort(virtualDstPort).build();
+                .setProtocol(protocol).setPriority(priority).setMinSrcPortRange(minSrcPortRange)
+                .setMaxSrcPortRange(maxSrcPortRange).setMinDstPortRange(minDstPortRange)
+                .setMaxDstPortRange(maxDstPortRange).setSrcIpPrefix(srcIpPrefix).setDstIpPrefix(dstIpPrefix)
+                .setSrcPort(virtualSrcPort).setDstPort(virtualDstPort).build();
 
         flowClassifierBuilder = new DefaultFlowClassifier.Builder();
         final FlowClassifier sameAsFlowClassifier1 = flowClassifierBuilder.setFlowClassifierId(flowClassifierId)
                 .setTenantId(tenantId).setName(name).setDescription(description).setEtherType(ethType)
-                .setProtocol(protocol).setMinSrcPortRange(minSrcPortRange).setMaxSrcPortRange(maxSrcPortRange)
-                .setMinDstPortRange(minDstPortRange).setMaxDstPortRange(maxDstPortRange).setSrcIpPrefix(srcIpPrefix)
-                .setDstIpPrefix(dstIpPrefix).setSrcPort(virtualSrcPort).setDstPort(virtualDstPort).build();
+                .setProtocol(protocol).setPriority(priority).setMinSrcPortRange(minSrcPortRange)
+                .setMaxSrcPortRange(maxSrcPortRange).setMinDstPortRange(minDstPortRange)
+                .setMaxDstPortRange(maxDstPortRange).setSrcIpPrefix(srcIpPrefix).setDstIpPrefix(dstIpPrefix)
+                .setSrcPort(virtualSrcPort).setDstPort(virtualDstPort).build();
 
         // Create different classifier object.
         final String name2 = "FlowClassifier2";
         final String description2 = "FlowClassifier2";
         final String ethType2 = "IPv6";
         final String protocol2 = "udp";
+        final int priority2 = 50000;
         final int minSrcPortRange2 = 5;
         final int maxSrcPortRange2 = 10;
         final int minDstPortRange2 = 5;
@@ -92,7 +96,8 @@
                 .setTenantId(tenantId2).setName(name2).setDescription(description2).setEtherType(ethType2)
                 .setProtocol(protocol2).setMinSrcPortRange(minSrcPortRange2).setMaxSrcPortRange(maxSrcPortRange2)
                 .setMinDstPortRange(minDstPortRange2).setMaxDstPortRange(maxDstPortRange2).setSrcIpPrefix(srcIpPrefix2)
-                .setDstIpPrefix(dstIpPrefix2).setSrcPort(virtualSrcPort2).setDstPort(virtualDstPort2).build();
+                .setDstIpPrefix(dstIpPrefix2).setSrcPort(virtualSrcPort2).setDstPort(virtualDstPort2)
+                .setPriority(priority2).build();
 
         new EqualsTester().addEqualityGroup(flowClassifier1, sameAsFlowClassifier1).addEqualityGroup(flowClassifier2)
                 .testEquals();
@@ -107,6 +112,7 @@
         final String description = "FlowClassifier";
         final String ethType = "IPv4";
         final String protocol = "tcp";
+        final int priority = 30000;
         final int minSrcPortRange = 5;
         final int maxSrcPortRange = 10;
         final int minDstPortRange = 5;
@@ -123,7 +129,8 @@
                 .setTenantId(tenantId).setName(name).setDescription(description).setEtherType(ethType)
                 .setProtocol(protocol).setMinSrcPortRange(minSrcPortRange).setMaxSrcPortRange(maxSrcPortRange)
                 .setMinDstPortRange(minDstPortRange).setMaxDstPortRange(maxDstPortRange).setSrcIpPrefix(srcIpPrefix)
-                .setDstIpPrefix(dstIpPrefix).setSrcPort(virtualSrcPort).setDstPort(virtualDstPort).build();
+                .setDstIpPrefix(dstIpPrefix).setSrcPort(virtualSrcPort).setDstPort(virtualDstPort)
+                .setPriority(priority).build();
 
         assertThat(flowClassifierId, is(flowClassifier.flowClassifierId()));
         assertThat(tenantId, is(flowClassifier.tenantId()));
@@ -131,6 +138,7 @@
         assertThat(description, is(flowClassifier.description()));
         assertThat(ethType, is(flowClassifier.etherType()));
         assertThat(protocol, is(flowClassifier.protocol()));
+        assertThat(priority, is(flowClassifier.priority()));
         assertThat(minSrcPortRange, is(flowClassifier.minSrcPortRange()));
         assertThat(maxSrcPortRange, is(flowClassifier.maxSrcPortRange()));
         assertThat(minDstPortRange, is(flowClassifier.minDstPortRange()));