diff --git a/apps/cordvtn/src/main/java/org/onosproject/cordvtn/CordVtnNodeManager.java b/apps/cordvtn/src/main/java/org/onosproject/cordvtn/CordVtnNodeManager.java
index bcd76bc..34f8b9c 100644
--- a/apps/cordvtn/src/main/java/org/onosproject/cordvtn/CordVtnNodeManager.java
+++ b/apps/cordvtn/src/main/java/org/onosproject/cordvtn/CordVtnNodeManager.java
@@ -237,7 +237,6 @@
 
         deviceService.addListener(deviceListener);
         configService.addListener(configListener);
-        readConfiguration();
     }
 
     @Deactivate
@@ -315,6 +314,13 @@
     }
 
     /**
+     * Flush flows installed by cordvtn.
+     */
+    public void flushRules() {
+        ruleInstaller.flushRules();
+    }
+
+    /**
      * Returns if current node state saved in nodeStore is COMPLETE or not.
      *
      * @param node cordvtn node
diff --git a/apps/cordvtn/src/main/java/org/onosproject/cordvtn/CordVtnRuleInstaller.java b/apps/cordvtn/src/main/java/org/onosproject/cordvtn/CordVtnRuleInstaller.java
index f3877e0..808f7c6 100644
--- a/apps/cordvtn/src/main/java/org/onosproject/cordvtn/CordVtnRuleInstaller.java
+++ b/apps/cordvtn/src/main/java/org/onosproject/cordvtn/CordVtnRuleInstaller.java
@@ -172,6 +172,13 @@
     }
 
     /**
+     * Flush flows installed by this application.
+     */
+    public void flushRules() {
+        flowRuleService.getFlowRulesById(appId).forEach(flowRule -> processFlowRule(false, flowRule));
+    }
+
+    /**
      * Populates basic rules that connect a VM to the other VMs in the system.
      *
      * @param host host
diff --git a/apps/cordvtn/src/main/java/org/onosproject/cordvtn/cli/CordVtnFlushRules.java b/apps/cordvtn/src/main/java/org/onosproject/cordvtn/cli/CordVtnFlushRules.java
new file mode 100644
index 0000000..9673662
--- /dev/null
+++ b/apps/cordvtn/src/main/java/org/onosproject/cordvtn/cli/CordVtnFlushRules.java
@@ -0,0 +1,36 @@
+/*
+ * 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.cordvtn.cli;
+
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.cordvtn.CordVtnNodeManager;
+
+/**
+ * Deletes nodes from the service.
+ */
+@Command(scope = "onos", name = "cordvtn-flush-rules",
+        description = "Flush flow rules installed by CORD VTN")
+public class CordVtnFlushRules extends AbstractShellCommand {
+
+    @Override
+    protected void execute() {
+        CordVtnNodeManager nodeManager = AbstractShellCommand.get(CordVtnNodeManager.class);
+        nodeManager.flushRules();
+        print("Successfully flushed");
+    }
+}
diff --git a/apps/cordvtn/src/main/resources/OSGI-INF/blueprint/shell-config.xml b/apps/cordvtn/src/main/resources/OSGI-INF/blueprint/shell-config.xml
index 9a2854f..dc9ecdb 100644
--- a/apps/cordvtn/src/main/resources/OSGI-INF/blueprint/shell-config.xml
+++ b/apps/cordvtn/src/main/resources/OSGI-INF/blueprint/shell-config.xml
@@ -28,5 +28,8 @@
         <command>
             <action class="org.onosproject.cordvtn.cli.CordVtnNodeCheckCommand"/>
         </command>
+        <command>
+            <action class="org.onosproject.cordvtn.cli.CordVtnFlushRules"/>
+        </command>
     </command-bundle>
 </blueprint>