diff --git a/apps/openstacknetworking/openstackswitching/src/main/java/org/onosproject/openstacknetworking/switching/OpenstackSecurityGroupRulePopulator.java b/apps/openstacknetworking/openstackswitching/src/main/java/org/onosproject/openstacknetworking/switching/OpenstackSecurityGroupRulePopulator.java
new file mode 100644
index 0000000..b16a6bf
--- /dev/null
+++ b/apps/openstacknetworking/openstackswitching/src/main/java/org/onosproject/openstacknetworking/switching/OpenstackSecurityGroupRulePopulator.java
@@ -0,0 +1,274 @@
+/*
+* Copyright 2016 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.openstacknetworking.switching;
+
+import org.onlab.packet.Ethernet;
+import org.onlab.packet.IPv4;
+import org.onlab.packet.Ip4Address;
+import org.onlab.packet.Ip4Prefix;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.IpPrefix;
+import org.onlab.packet.TpPort;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.flow.DefaultTrafficSelector;
+import org.onosproject.net.flow.DefaultTrafficTreatment;
+import org.onosproject.net.flow.TrafficSelector;
+import org.onosproject.net.flow.TrafficTreatment;
+import org.onosproject.net.flowobjective.DefaultForwardingObjective;
+import org.onosproject.net.flowobjective.FlowObjectiveService;
+import org.onosproject.net.flowobjective.ForwardingObjective;
+import org.onosproject.openstackinterface.OpenstackInterfaceService;
+import org.onosproject.openstackinterface.OpenstackSecurityGroup;
+import org.onosproject.openstackinterface.OpenstackSecurityGroupRule;
+import org.onosproject.openstacknetworking.OpenstackPortInfo;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Map;
+
+/**
+ * Populates flows rules for Security Groups of VMs.
+ *
+ */
+public class OpenstackSecurityGroupRulePopulator {
+
+    private static Logger log = LoggerFactory
+            .getLogger(OpenstackSecurityGroupRulePopulator.class);
+
+    private OpenstackInterfaceService openstackService;
+    private FlowObjectiveService flowObjectiveService;
+
+    private ApplicationId appId;
+
+    private static final String PROTO_ICMP = "ICMP";
+    private static final String PROTO_TCP = "TCP";
+    private static final String PROTO_UDP = "UDP";
+
+    private static final String ETHTYPE_IPV4 = "IPV4";
+
+    private static final IpPrefix IP_PREFIX_ANY = Ip4Prefix.valueOf("0.0.0.0/0");
+
+    private static final int ACL_RULE_PRIORITY = 30000;
+
+    /**
+     * Constructor.
+     *
+     * @param appId
+     * @param openstackService
+     * @param flowObjectiveService
+     */
+    public OpenstackSecurityGroupRulePopulator(ApplicationId appId, OpenstackInterfaceService openstackService,
+                                               FlowObjectiveService flowObjectiveService) {
+        this.appId = appId;
+        this.openstackService = openstackService;
+        this.flowObjectiveService = flowObjectiveService;
+    }
+
+    /**
+     * Populates flow rules for security groups.
+     *
+     * @param id Device ID
+     * @param sgId Security Group ID
+     * @param vmIp VM IP address
+     * @param portInfoMap Port Info map
+     */
+    public void populateSecurityGroupRules(DeviceId id, String sgId, Ip4Address vmIp,
+                                           Map<String, OpenstackPortInfo> portInfoMap) {
+        OpenstackSecurityGroup securityGroup = openstackService.getSecurityGroup(sgId);
+        if (securityGroup != null) {
+            securityGroup.rules().stream().forEach(sgRule -> {
+                if (sgRule.remoteGroupId() != null && !sgRule.remoteGroupId().equals("null")) {
+                    openstackService.ports().stream()
+                        .filter(port -> port.securityGroups().contains(sgRule.remoteGroupId()))
+                        .flatMap(port -> port.fixedIps().values().stream())
+                        .forEach(remoteIp -> setSecurityGroupRule(id, sgRule,
+                                vmIp, IpPrefix.valueOf((IpAddress) remoteIp, 32)));
+                } else {
+                    setSecurityGroupRule(id, sgRule, vmIp, sgRule.remoteIpPrefix());
+                }
+            });
+
+            openstackService.ports().stream().forEach(osPort ->
+                osPort.securityGroups().stream().forEach(remoteVmSgId -> {
+                    OpenstackSecurityGroup remoteVmSg = openstackService.getSecurityGroup(remoteVmSgId);
+                    remoteVmSg.rules().stream()
+                        .filter(remoteVmSgRule -> remoteVmSgRule.remoteGroupId().equals(sgId))
+                        .forEach(remoteVmSgRule -> {
+                            Ip4Address remoteVmIp =
+                                    (Ip4Address) osPort.fixedIps().values().stream().findAny().orElse(null);
+                            OpenstackPortInfo osPortInfo = portInfoMap.get(OpenstackSwitchingManager.PORTNAME_PREFIX_VM
+                                    + osPort.id().substring(0, 11));
+                            if (osPortInfo != null && remoteVmIp != null) {
+                                setSecurityGroupRule(osPortInfo.deviceId(), remoteVmSgRule, remoteVmIp,
+                                        IpPrefix.valueOf(vmIp, 32));
+                            }
+                        });
+                }));
+        }
+    }
+
+    /**
+     * Removes flow rules for security groups.
+     *
+     * @param id Device ID
+     * @param sgId Security Group ID to remove
+     * @param vmIp VM IP address
+     * @param portInfoMap port info map
+     * @param securityGroupMap security group info map
+     */
+    public void removeSecurityGroupRules(DeviceId id, String sgId, Ip4Address vmIp,
+                                         Map<String, OpenstackPortInfo> portInfoMap,
+                                         Map<String, OpenstackSecurityGroup> securityGroupMap) {
+        OpenstackSecurityGroup securityGroup = securityGroupMap.get(sgId);
+        if (securityGroup != null) {
+            securityGroup.rules().stream().forEach(sgRule -> {
+                if (sgRule.remoteGroupId() != null && !sgRule.remoteGroupId().equals("null")) {
+                    portInfoMap.values().stream()
+                            .filter(portInfo -> portInfo.securityGroups().contains(sgRule.remoteGroupId()))
+                            .map(OpenstackPortInfo::ip)
+                            .forEach(remoteIp -> {
+                                removeSecurityGroupRule(id, sgRule, vmIp, IpPrefix.valueOf(remoteIp, 32));
+                            });
+                } else {
+                    removeSecurityGroupRule(id, sgRule, vmIp, sgRule.remoteIpPrefix());
+                }
+            });
+
+            portInfoMap.values().stream()
+                .forEach(portInfo -> portInfo.securityGroups()
+                    .forEach(remoteVmSgId -> {
+                        OpenstackSecurityGroup remoteVmSg = securityGroupMap.get(remoteVmSgId);
+                        remoteVmSg.rules().stream()
+                            .filter(remoteVmSgRule -> remoteVmSgRule.remoteGroupId().equals(sgId))
+                            .forEach(remoteVmSgRule -> removeSecurityGroupRule(portInfo.deviceId(),
+                                    remoteVmSgRule, portInfo.ip(), IpPrefix.valueOf(vmIp, 32)));
+                    }));
+        }
+    }
+
+    private void setSecurityGroupRule(DeviceId id, OpenstackSecurityGroupRule sgRule,
+                                      Ip4Address vmIp, IpPrefix remoteIp) {
+        ForwardingObjective.Builder foBuilder = buildFlowObjective(id, sgRule, vmIp, remoteIp);
+        if (foBuilder != null) {
+            flowObjectiveService.forward(id, foBuilder.add());
+        }
+    }
+
+    private void removeSecurityGroupRule(DeviceId id, OpenstackSecurityGroupRule sgRule,
+                                      Ip4Address vmIp, IpPrefix remoteIp) {
+        ForwardingObjective.Builder foBuilder = buildFlowObjective(id, sgRule, vmIp, remoteIp);
+        if (foBuilder != null) {
+            flowObjectiveService.forward(id, foBuilder.remove());
+        }
+    }
+
+    ForwardingObjective.Builder buildFlowObjective(DeviceId id, OpenstackSecurityGroupRule sgRule,
+                                           Ip4Address vmIp, IpPrefix remoteIp) {
+        if (remoteIp != null && remoteIp.equals(IpPrefix.valueOf(vmIp, 32))) {
+            return null;
+        }
+        TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder();
+        TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder();
+
+        buildMatchs(sBuilder, sgRule, vmIp, remoteIp);
+
+        ForwardingObjective.Builder foBuilder = DefaultForwardingObjective.builder()
+                .withSelector(sBuilder.build())
+                .withTreatment(tBuilder.build())
+                .withPriority(ACL_RULE_PRIORITY)
+                .withFlag(ForwardingObjective.Flag.SPECIFIC)
+                .fromApp(appId);
+
+        return foBuilder;
+    }
+
+    private void buildMatchs(TrafficSelector.Builder sBuilder, OpenstackSecurityGroupRule sgRule,
+                             Ip4Address vmIp, IpPrefix remoteIp) {
+        buildMatchEthType(sBuilder, sgRule.ethertype());
+        buildMatchDirection(sBuilder, sgRule.direction(), vmIp);
+        buildMatchProto(sBuilder, sgRule.protocol());
+        buildMatchPort(sBuilder, sgRule.protocol(), sgRule.direction(), sgRule.portRangeMax(), sgRule.portRangeMin());
+        buildMatchRemoteIp(sBuilder, remoteIp, sgRule.direction());
+    }
+
+    private void buildMatchDirection(TrafficSelector.Builder sBuilder,
+                                     OpenstackSecurityGroupRule.Direction direction, Ip4Address vmIp) {
+        if (direction.equals(OpenstackSecurityGroupRule.Direction.EGRESS)) {
+            sBuilder.matchIPSrc(IpPrefix.valueOf(vmIp, 32));
+        } else {
+            sBuilder.matchIPDst(IpPrefix.valueOf(vmIp, 32));
+        }
+    }
+
+    private void buildMatchEthType(TrafficSelector.Builder sBuilder, String ethertype) {
+        // Either IpSrc or IpDst (or both) is set by default, and we need to set EthType as IPv4.
+        sBuilder.matchEthType(Ethernet.TYPE_IPV4);
+        if (ethertype != null && ethertype != "null" &&
+                !ethertype.toUpperCase().equals(ETHTYPE_IPV4)) {
+            log.error("EthType {} is not supported yet in Security Group", ethertype);
+        }
+    }
+
+    private void buildMatchRemoteIp(TrafficSelector.Builder sBuilder, IpPrefix remoteIpPrefix,
+                                                       OpenstackSecurityGroupRule.Direction direction) {
+        if (remoteIpPrefix != null && !remoteIpPrefix.getIp4Prefix().equals(IP_PREFIX_ANY)) {
+            if (direction.equals(OpenstackSecurityGroupRule.Direction.EGRESS)) {
+                sBuilder.matchIPDst(remoteIpPrefix);
+            } else {
+                sBuilder.matchIPSrc(remoteIpPrefix);
+            }
+        }
+    }
+
+    private void buildMatchProto(TrafficSelector.Builder sBuilder, String protocol) {
+        if (protocol != null) {
+            switch (protocol.toUpperCase()) {
+                case PROTO_ICMP:
+                    sBuilder.matchIPProtocol(IPv4.PROTOCOL_ICMP);
+                    break;
+                case PROTO_TCP:
+                    sBuilder.matchIPProtocol(IPv4.PROTOCOL_TCP);
+                    break;
+                case PROTO_UDP:
+                    sBuilder.matchIPProtocol(IPv4.PROTOCOL_UDP);
+                    break;
+                default:
+            }
+        }
+    }
+
+    private void buildMatchPort(TrafficSelector.Builder sBuilder, String protocol,
+                                                   OpenstackSecurityGroupRule.Direction direction,
+                                                   int portMin, int portMax) {
+        if (portMin > 0 && portMax > 0 && portMin == portMax) {
+            if (protocol.toUpperCase().equals(PROTO_TCP)) {
+                if (direction.equals(OpenstackSecurityGroupRule.Direction.EGRESS)) {
+                    sBuilder.matchTcpDst(TpPort.tpPort(portMax));
+                } else {
+                    sBuilder.matchTcpSrc(TpPort.tpPort(portMax));
+                }
+            } else if (protocol.toUpperCase().equals(PROTO_UDP)) {
+                if (direction.equals(OpenstackSecurityGroupRule.Direction.EGRESS)) {
+                    sBuilder.matchUdpDst(TpPort.tpPort(portMax));
+                } else {
+                    sBuilder.matchUdpSrc(TpPort.tpPort(portMax));
+                }
+            }
+        }
+    }
+}
diff --git a/apps/openstacknetworking/openstackswitching/src/main/java/org/onosproject/openstacknetworking/switching/OpenstackSwitchingManager.java b/apps/openstacknetworking/openstackswitching/src/main/java/org/onosproject/openstacknetworking/switching/OpenstackSwitchingManager.java
index 4e66d95..2c88b3a 100644
--- a/apps/openstacknetworking/openstackswitching/src/main/java/org/onosproject/openstacknetworking/switching/OpenstackSwitchingManager.java
+++ b/apps/openstacknetworking/openstackswitching/src/main/java/org/onosproject/openstacknetworking/switching/OpenstackSwitchingManager.java
@@ -104,7 +104,9 @@
     public static final String DEVICE_OWNER_GATEWAY = "network:router_gateway";
 
     private ApplicationId appId;
-    private OpenstackArpHandler arpHandler = new OpenstackArpHandler(openstackService, packetService, hostService);
+
+    private OpenstackArpHandler arpHandler;
+    private OpenstackSecurityGroupRulePopulator sgRulePopulator;
 
     private ExecutorService deviceEventExcutorService =
             Executors.newSingleThreadExecutor(groupedThreads("onos/openstackswitching", "device-event"));
@@ -114,6 +116,7 @@
     private InternalHostListener internalHostListener = new InternalHostListener();
 
     private Map<String, OpenstackPortInfo> openstackPortInfoMap = Maps.newHashMap();
+    private Map<String, OpenstackSecurityGroup> securityGroupMap = Maps.newConcurrentMap();
 
     @Activate
     protected void activate() {
@@ -124,6 +127,9 @@
         deviceService.addListener(internalDeviceListener);
         hostService.addListener(internalHostListener);
 
+        arpHandler = new OpenstackArpHandler(openstackService, packetService, hostService);
+        sgRulePopulator = new OpenstackSecurityGroupRulePopulator(appId, openstackService, flowObjectiveService);
+
         initializeFlowRules();
 
         log.info("Started");
@@ -148,13 +154,6 @@
                 registerDhcpInfo(openstackPort);
             }
         }
-
-        if (!openstackPort.securityGroups().isEmpty()) {
-            openstackPort.securityGroups().forEach(sgId -> {
-                OpenstackSecurityGroup sg = openstackService.getSecurityGroup(sgId);
-                log.debug("SecurityGroup : {}", sg.toString());
-            });
-        }
     }
 
     @Override
@@ -185,6 +184,22 @@
 
     @Override
     public void updatePort(OpenstackPort openstackPort) {
+        if (openstackPort.status().equals(OpenstackPort.PortStatus.ACTIVE)) {
+            String portName = PORTNAME_PREFIX_VM + openstackPort.id().substring(0, 11);
+            OpenstackPortInfo osPortInfo = openstackPortInfoMap.get(portName);
+            if (osPortInfo != null) {
+                // Remove all security group rules based on the ones stored in security group map.
+                osPortInfo.securityGroups().stream().forEach(
+                        sgId -> sgRulePopulator.removeSecurityGroupRules(osPortInfo.deviceId(), sgId,
+                                osPortInfo.ip(), openstackPortInfoMap, securityGroupMap));
+                // Add all security group rules based on the updated security group.
+                openstackPort.securityGroups().stream().forEach(
+                        sgId -> sgRulePopulator.populateSecurityGroupRules(osPortInfo.deviceId(), sgId,
+                                osPortInfo.ip(), openstackPortInfoMap));
+                updatePortMap(osPortInfo.deviceId(), portName, openstackService.networks(),
+                        openstackService.subnets(), openstackPort);
+            }
+        }
     }
 
     @Override
@@ -205,26 +220,37 @@
     }
 
     private void processPortUpdated(Device device, Port port) {
-        if (!port.annotations().value(PORTNAME).equals(PORTNAME_PREFIX_TUNNEL)) {
-            if (port.isEnabled() || port.annotations().value(PORTNAME).startsWith(PORTNAME_PREFIX_ROUTER)) {
-                OpenstackSwitchingRulePopulator rulePopulator =
-                        new OpenstackSwitchingRulePopulator(appId, flowObjectiveService,
-                                deviceService, openstackService, driverService);
+        String portName = port.annotations().value(PORTNAME);
+        synchronized (openstackPortInfoMap) {
+            if (portName.startsWith(PORTNAME_PREFIX_VM)) {
+                if (port.isEnabled()) {
+                    OpenstackSwitchingRulePopulator rulePopulator =
+                            new OpenstackSwitchingRulePopulator(appId, flowObjectiveService,
+                                    deviceService, openstackService, driverService);
 
-                rulePopulator.populateSwitchingRules(device, port);
-                updatePortMap(device.id(), port, openstackService.networks(), openstackService.subnets(),
-                        rulePopulator.openstackPort(port));
+                    rulePopulator.populateSwitchingRules(device, port);
+                    OpenstackPort openstackPort = rulePopulator.openstackPort(port);
+                    Ip4Address vmIp = (Ip4Address) openstackPort.fixedIps().values().stream()
+                            .findAny().orElseGet(null);
+                    openstackPort.securityGroups().stream().forEach(
+                            sgId -> sgRulePopulator.populateSecurityGroupRules(device.id(), sgId, vmIp,
+                                    openstackPortInfoMap));
+                    updatePortMap(device.id(), port.annotations().value(PORTNAME),
+                            openstackService.networks(), openstackService.subnets(), openstackPort);
 
-                //In case portupdate event is driven by vm shutoff from openstack
-            } else if (!port.isEnabled() && openstackPortInfoMap.containsKey(port.annotations().value(PORTNAME))) {
-                log.debug("Flowrules according to the port {} were removed", port.number().toString());
-                OpenstackSwitchingRulePopulator rulePopulator =
-                        new OpenstackSwitchingRulePopulator(appId, flowObjectiveService,
-                                deviceService, openstackService, driverService);
-
-                rulePopulator.removeSwitchingRules(port, openstackPortInfoMap);
-                dhcpService.removeStaticMapping(openstackPortInfoMap.get(port.annotations().value(PORTNAME)).mac());
-                openstackPortInfoMap.remove(port.annotations().value(PORTNAME));
+                    //In case portupdate event is driven by vm shutoff from openstack
+                } else if (!port.isEnabled() && openstackPortInfoMap.containsKey(portName)) {
+                    log.debug("Flowrules according to the port {} were removed", port.number().toString());
+                    OpenstackSwitchingRulePopulator rulePopulator =
+                            new OpenstackSwitchingRulePopulator(appId, flowObjectiveService,
+                                    deviceService, openstackService, driverService);
+                    rulePopulator.removeSwitchingRules(port, openstackPortInfoMap);
+                    openstackPortInfoMap.get(portName).securityGroups().stream().forEach(
+                            sgId -> sgRulePopulator.removeSecurityGroupRules(device.id(), sgId,
+                                    openstackPortInfoMap.get(portName).ip(), openstackPortInfoMap, securityGroupMap));
+                    dhcpService.removeStaticMapping(openstackPortInfoMap.get(port.annotations().value(PORTNAME)).mac());
+                    openstackPortInfoMap.remove(port.annotations().value(PORTNAME));
+                }
             }
         }
     }
@@ -242,27 +268,33 @@
         Collection<OpenstackSubnet> subnets = openstackService.subnets();
 
         deviceService.getDevices().forEach(device -> {
-                    log.debug("device {} num of ports {} ", device.id(),
-                            deviceService.getPorts(device.id()).size());
-                    deviceService.getPorts(device.id()).stream()
-                            .filter(port -> port.annotations().value(PORTNAME).startsWith(PORTNAME_PREFIX_VM) ||
-                                    port.annotations().value(PORTNAME).startsWith(PORTNAME_PREFIX_ROUTER))
-                            .forEach(vmPort -> {
-                                        OpenstackPort osPort = rulePopulator.openstackPort(vmPort);
-                                        if (osPort != null && !osPort.deviceOwner().equals(DEVICE_OWNER_GATEWAY)) {
-                                            rulePopulator.populateSwitchingRules(device, vmPort);
-                                            updatePortMap(device.id(), vmPort, networks, subnets, osPort);
-                                            registerDhcpInfo(osPort);
-                                        } else {
-                                            log.warn("No openstackPort information for port {}", vmPort);
-                                        }
-                                    }
-                            );
+                log.debug("device {} num of ports {} ", device.id(),
+                        deviceService.getPorts(device.id()).size());
+                deviceService.getPorts(device.id()).stream()
+                        .filter(port -> port.annotations().value(PORTNAME).startsWith(PORTNAME_PREFIX_VM) ||
+                                port.annotations().value(PORTNAME).startsWith(PORTNAME_PREFIX_ROUTER))
+                        .forEach(vmPort -> {
+                                OpenstackPort osPort = rulePopulator.openstackPort(vmPort);
+                                if (osPort != null && !osPort.deviceOwner().equals(DEVICE_OWNER_GATEWAY)) {
+                                    rulePopulator.populateSwitchingRules(device, vmPort);
+                                    Ip4Address vmIp = (Ip4Address) osPort.fixedIps().values().stream()
+                                            .findAny().orElseGet(null);
+                                    osPort.securityGroups().stream().forEach(
+                                            sgId -> sgRulePopulator.populateSecurityGroupRules(device.id(),
+                                                    sgId, vmIp, openstackPortInfoMap));
+                                    updatePortMap(device.id(), vmPort.annotations().value(PORTNAME), networks,
+                                            subnets, osPort);
+                                    registerDhcpInfo(osPort);
+                                } else {
+                                    log.warn("No openstackPort information for port {}", vmPort);
+                                }
+                            }
+                        );
                 }
         );
     }
 
-    private void updatePortMap(DeviceId deviceId, Port port, Collection<OpenstackNetwork> networks,
+    private void updatePortMap(DeviceId deviceId, String portName, Collection<OpenstackNetwork> networks,
                                Collection<OpenstackSubnet> subnets, OpenstackPort openstackPort) {
         long vni = Long.parseLong(networks.stream()
                 .filter(n -> n.id().equals(openstackPort.networkId()))
@@ -279,10 +311,17 @@
                 .setHostIp((Ip4Address) openstackPort.fixedIps().values().stream().findFirst().orElse(null))
                 .setHostMac(openstackPort.macAddress())
                 .setVni(vni)
-                .setGatewayIP(gatewayIPAddress);
+                .setGatewayIP(gatewayIPAddress)
+                .setSecurityGroups(openstackPort.securityGroups());
 
-        openstackPortInfoMap.putIfAbsent(port.annotations().value(PORTNAME),
-                portBuilder.build());
+        openstackPortInfoMap.put(portName, portBuilder.build());
+
+        openstackPort.securityGroups().stream().forEach(sgId -> {
+            if (!securityGroupMap.containsKey(sgId)) {
+                securityGroupMap.put(sgId, openstackService.getSecurityGroup(sgId));
+            }
+        });
+
     }
 
     private void processHostRemoved(Host host) {
diff --git a/apps/openstacknetworking/openstackswitching/src/main/java/org/onosproject/openstacknetworking/switching/OpenstackSwitchingRulePopulator.java b/apps/openstacknetworking/openstackswitching/src/main/java/org/onosproject/openstacknetworking/switching/OpenstackSwitchingRulePopulator.java
index 79ae523..9248d35 100644
--- a/apps/openstacknetworking/openstackswitching/src/main/java/org/onosproject/openstacknetworking/switching/OpenstackSwitchingRulePopulator.java
+++ b/apps/openstacknetworking/openstackswitching/src/main/java/org/onosproject/openstacknetworking/switching/OpenstackSwitchingRulePopulator.java
@@ -58,7 +58,6 @@
     private static Logger log = LoggerFactory
             .getLogger(OpenstackSwitchingRulePopulator.class);
     private static final int SWITCHING_RULE_PRIORITY = 30000;
-    private static final int EAST_WEST_ROUTING_RULE_PRIORITY = 29000;
     private static final int TUNNELTAG_RULE_PRIORITY = 30000;
 
     private FlowObjectiveService flowObjectiveService;
@@ -490,4 +489,5 @@
         }
         return port.number();
     }
+
 }