diff --git a/core/api/src/main/java/org/onlab/onos/net/flow/instructions/Instructions.java b/core/api/src/main/java/org/onlab/onos/net/flow/instructions/Instructions.java
index 1bf5531..b2ebdee 100644
--- a/core/api/src/main/java/org/onlab/onos/net/flow/instructions/Instructions.java
+++ b/core/api/src/main/java/org/onlab/onos/net/flow/instructions/Instructions.java
@@ -3,6 +3,8 @@
 import static com.google.common.base.MoreObjects.toStringHelper;
 import static com.google.common.base.Preconditions.checkNotNull;
 
+import java.util.Objects;
+
 import org.onlab.onos.net.PortNumber;
 import org.onlab.onos.net.flow.instructions.L2ModificationInstruction.L2SubType;
 import org.onlab.onos.net.flow.instructions.L2ModificationInstruction.ModEtherInstruction;
@@ -117,6 +119,24 @@
             return toStringHelper(type()).toString();
 
         }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(type());
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+            if (this == obj) {
+                return true;
+            }
+            if (obj instanceof DropInstruction) {
+                DropInstruction that = (DropInstruction) obj;
+                return Objects.equals(type(), that.type());
+
+            }
+            return false;
+        }
     }
 
 
@@ -140,6 +160,26 @@
             return toStringHelper(type().toString())
                     .add("port", port).toString();
         }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(port, type());
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+            if (this == obj) {
+                return true;
+            }
+            if (obj instanceof OutputInstruction) {
+                OutputInstruction that = (OutputInstruction) obj;
+                        Objects.equals(port, that.port);
+
+            }
+            return false;
+        }
     }
 
 }
+
+
diff --git a/core/api/src/main/java/org/onlab/onos/net/flow/instructions/L2ModificationInstruction.java b/core/api/src/main/java/org/onlab/onos/net/flow/instructions/L2ModificationInstruction.java
index 8c51624..ce7e16b 100644
--- a/core/api/src/main/java/org/onlab/onos/net/flow/instructions/L2ModificationInstruction.java
+++ b/core/api/src/main/java/org/onlab/onos/net/flow/instructions/L2ModificationInstruction.java
@@ -2,6 +2,8 @@
 
 import static com.google.common.base.MoreObjects.toStringHelper;
 
+import java.util.Objects;
+
 import org.onlab.packet.MacAddress;
 import org.onlab.packet.VlanId;
 
@@ -74,6 +76,25 @@
                     .add("mac", mac).toString();
         }
 
+        @Override
+        public int hashCode() {
+            return Objects.hash(mac, subtype);
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+            if (this == obj) {
+                return true;
+            }
+            if (obj instanceof ModEtherInstruction) {
+                ModEtherInstruction that = (ModEtherInstruction) obj;
+                return  Objects.equals(mac, that.mac) &&
+                        Objects.equals(subtype, that.subtype);
+
+            }
+            return false;
+        }
+
 
     }
 
@@ -103,6 +124,25 @@
                     .add("id", vlanId).toString();
         }
 
+        @Override
+        public int hashCode() {
+            return Objects.hash(vlanId, subtype());
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+            if (this == obj) {
+                return true;
+            }
+            if (obj instanceof ModVlanIdInstruction) {
+                ModVlanIdInstruction that = (ModVlanIdInstruction) obj;
+                return  Objects.equals(vlanId, that.vlanId);
+
+            }
+            return false;
+        }
+
+
     }
 
     /**
@@ -131,6 +171,24 @@
                     .add("pcp", Long.toHexString(vlanPcp)).toString();
         }
 
+        @Override
+        public int hashCode() {
+            return Objects.hash(vlanPcp, subtype());
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+            if (this == obj) {
+                return true;
+            }
+            if (obj instanceof ModVlanPcpInstruction) {
+                ModVlanPcpInstruction that = (ModVlanPcpInstruction) obj;
+                return  Objects.equals(vlanPcp, that.vlanPcp);
+
+            }
+            return false;
+        }
+
     }
 
 
diff --git a/core/api/src/main/java/org/onlab/onos/net/flow/instructions/L3ModificationInstruction.java b/core/api/src/main/java/org/onlab/onos/net/flow/instructions/L3ModificationInstruction.java
index ae82cd9..cf81f86 100644
--- a/core/api/src/main/java/org/onlab/onos/net/flow/instructions/L3ModificationInstruction.java
+++ b/core/api/src/main/java/org/onlab/onos/net/flow/instructions/L3ModificationInstruction.java
@@ -2,6 +2,8 @@
 
 import static com.google.common.base.MoreObjects.toStringHelper;
 
+import java.util.Objects;
+
 import org.onlab.packet.IpPrefix;
 
 /**
@@ -66,5 +68,23 @@
                     .add("ip", ip).toString();
         }
 
+        @Override
+        public int hashCode() {
+            return Objects.hash(ip, subtype());
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+            if (this == obj) {
+                return true;
+            }
+            if (obj instanceof ModIPInstruction) {
+                ModIPInstruction that = (ModIPInstruction) obj;
+                return  Objects.equals(ip, that.ip);
+
+            }
+            return false;
+        }
+
     }
 }