diff --git a/TestON/drivers/common/cli/ovsdbdriver.py b/TestON/drivers/common/cli/ovsdbdriver.py
index bd55c91..4b78665 100644
--- a/TestON/drivers/common/cli/ovsdbdriver.py
+++ b/TestON/drivers/common/cli/ovsdbdriver.py
@@ -194,6 +194,7 @@
             main.log.error( self.name + ":     " + self.handle.before )
             main.cleanup()
             main.exit()
+
     def show( self ):
         """
         Parameters:
@@ -215,3 +216,182 @@
             main.log.error( self.name + ":     " + self.handle.before )
             main.cleanup()
             main.exit()
+
+    def dumpFlows( self, sw, protocols=None ):
+        """
+        Parameters:
+            sw: The name of an OVS switch. Example "s1"
+        Return:
+            The output of the command from the linux
+            or main.FALSE on timeout"""
+        if protocols:
+            command = "sudo ovs-ofctl -O " + \
+                protocols + " dump-flows " + str( sw )
+        else:
+            command = "sudo ovs-ofctl dump-flows " + str( sw )
+        try:
+            response = self.execute(
+                cmd=command,
+                timeout=10 )
+            if response:
+                return response
+            else:
+                return main.FALSE
+        except pexpect.EOF:
+            main.log.error(self.name + ": EOF exception found")
+            main.log.error(self.name + ":     " + self.handle.before)
+            main.cleanup()
+            main.exit()
+
+    def createHost( self, hostname ):
+        command = "sudo ip netns add " + str( hostname )
+        try:
+            handle = self.execute(
+                cmd=command,
+                timeout=10)
+            if re.search( "Error", handle ):
+                main.log.error( "Error in create host" + str( hostname ) )
+                main.log.error( handle )
+                return main.FALSE
+            else:
+                main.log.info( "Create " + str( hostname ) + " sucess" )
+                return main.TRUE
+        except pexpect.EOF:
+            main.log.error(self.name + ": EOF exception found")
+            main.log.error(self.name + ":     " + self.handle.before)
+            main.cleanup()
+            main.exit()
+
+    def createHostport(self, hostname="host1", hostport="host1-eth0", ovsport="port1", hostportmac="000000000001" ):
+        command = "sudo ip link add " + str(hostport) +" type veth peer name " + str(ovsport)
+        command += ";" +" sudo ifconfig " + str(hostport) + " hw ether " + str(hostportmac)
+        command += ";" +" sudo ip link set " + str(hostport) + " netns " + str(hostname)
+        try:
+            handle = self.execute(
+                cmd=command,
+                timeout=10)
+            if re.search( "Error", handle ):
+                main.log.error( "Error in create host port " + str( hostport ) + " on " + str( hostname ) )
+                main.log.error( handle )
+                return main.FALSE
+            else:
+                main.log.info( "Create host port " + str( hostport ) + " on " + str( hostname ) + " sucess" )
+                return main.TRUE
+        except pexpect.EOF:
+            main.log.error(self.name + ": EOF exception found")
+            main.log.error(self.name + ":     " + self.handle.before)
+            main.cleanup()
+            main.exit()
+
+    def addPortToOvs(self, ifaceId, attachedMac, vmuuid, port="port1", ovsname="br-int" ):
+        command = "sudo ovs-vsctl add-port " + str(ovsname) +" " + str(port)
+        if ifaceId:
+            command += " -- set Interface " + str(port) + " external-ids:iface-id=" + str(ifaceId) + " external-ids:iface-status=active"
+        if attachedMac:
+            command += " external-ids:attached-mac=" + str(attachedMac)
+        if vmuuid:
+            command += " external-ids:vm-uuid=" + str(vmuuid)
+        try:
+            handle = self.execute(
+                cmd=command,
+                timeout=10)
+            if re.search( "Error", handle ):
+                main.log.error( "Error in add port " + str(port) + " to ovs " + str( ovsname ) )
+                main.log.error( handle )
+                return main.FALSE
+            else:
+                main.log.info( "Add port " + str(port) + " to ovs " + str( ovsname )  + " sucess" )
+                return main.TRUE
+        except pexpect.EOF:
+            main.log.error(self.name + ": EOF exception found")
+            main.log.error(self.name + ":     " + self.handle.before)
+            main.cleanup()
+            main.exit()
+
+    def setHostportIp(self, ip, hostname="host1", hostport1="host1-eth0" ):
+        command = "sudo ip netns exec " + str(hostname) +" ifconfig " + str(hostport1) + " " + str(ip)
+        try:
+            handle = self.execute(
+                cmd=command,
+                timeout=10)
+            if re.search( "Error", handle ):
+                main.log.error( "Error in set host ip for " + str( hostport1 ) + " on host " + str( hostname ) )
+                main.log.error( handle )
+                return main.FALSE
+            else:
+                main.log.info( "Set host ip for " + str( hostport1 ) + " on host " + str( hostname ) + " sucess" )
+                return main.TRUE
+        except pexpect.EOF:
+            main.log.error(self.name + ": EOF exception found")
+            main.log.error(self.name + ":     " + self.handle.before)
+            main.cleanup()
+            main.exit()
+
+    def hostPing(self, src, target, hostname="host1" ):
+        if src:
+            command = "sudo ip netns exec " + str( hostname ) +" ping -c 1 -S " +\
+             str( src ) + " " + str( target )
+        else:
+            command = "sudo ip netns exec " + str( hostname ) +" ping -c 1 " + str( target )
+        try:
+            for i in range(1,5):
+                handle = self.execute(
+                    cmd=command,
+                    timeout=10)
+                if re.search(',\s0\%\spacket\sloss', handle):
+                    main.log.info(self.name + ": no packets lost, host is reachable")
+                    return main.TRUE
+                    break
+                time.sleep(5)
+            else:
+                main.log.info(self.name + ": packets lost, host is unreachable")
+                return main.FALSE
+        except pexpect.EOF:
+            main.log.error(self.name + ": EOF exception found")
+            main.log.error(self.name + ":     " + self.handle.before)
+            main.cleanup()
+            main.exit()
+
+    def delBr( self, sw ):
+        """
+        Parameters:
+            sw: The name of an OVS switch. Example "br-int"
+        Return:
+            Delete sucess return main.TRUE or main.FALSE on delete failed
+        """
+        command= "sudo ovs-vsctl del-br " + str( sw )
+        try:
+            response = self.execute(
+                cmd=command,
+                timeout=10 )
+            if response:
+                return main.TRUE
+            else:
+                return main.FALSE
+        except pexpect.EOF:
+            main.log.error( self.name + ": EOF exception found" )
+            main.log.error( self.name + ":     " + self.handle.before )
+            main.cleanup()
+            main.exit()
+
+    def delHost( self, hostname ):
+        """
+        Parameters:
+            hostname: The name of an ip netns name. Example "host1"
+        Return:
+            Delete sucess return main.TRUE or main.FALSE on delete failed
+        """
+        command= "sudo ip netns delete " + str( hostname )
+        try:
+            response = self.execute(
+                cmd=command,
+                timeout=10 )
+            if response:
+                return main.TRUE
+            else:
+                return main.FALSE
+        except pexpect.EOF:
+            main.log.error( self.name + ": EOF exception found" )
+            main.log.error( self.name + ":     " + self.handle.before )
+            main.cleanup()
+            main.exit()
\ No newline at end of file