diff --git a/ofdpa/dev.py b/ofdpa/dev.py
index ba850a6..b5140b4 100644
--- a/ofdpa/dev.py
+++ b/ofdpa/dev.py
@@ -13,6 +13,7 @@
 from oftest.testutils import *
 from accton_util import *
 
+@disabled 
 class Purge(base_tests.SimpleDataPlane):
     def runTest(self):
         delete_all_flows(self.controller)
@@ -21,7 +22,7 @@
         add_vlan_table_flow(self.controller, config["port_map"].keys(), 1)
         verify_no_other_packets(self)
            
-
+@disabled 
 class FlowStats(base_tests.SimpleProtocol):
     """
     Flow stats multipart transaction
@@ -35,3 +36,64 @@
         for entry in stats:
             print(entry.show())
 
+class TagFlow20to10(base_tests.SimpleDataPlane):
+    def runTest(self):
+        do_barrier(self.controller)
+        for port in config["port_map"].keys():
+            add_one_vlan_table_flow(self.controller, port, 10)
+            do_barrier(self.controller)
+            logging.info("Sending flow stats request")
+            stats = get_flow_stats(self, ofp.match())
+            print "STATS"
+            for entry in stats:
+                print(entry.show())
+            print "END"
+        do_barrier(self.controller)
+        verify_no_other_packets(self)
+@disabled
+class UnTagFlow0(base_tests.SimpleDataPlane):
+    def runTest(self):
+        do_barrier(self.controller)
+        for port in config["port_map"].keys():
+            add_untag_vlan_table_flow(self.controller, port, 0x0000, 0x1000)
+            do_barrier(self.controller)
+            logging.info("Sending flow stats request")
+            stats = get_flow_stats(self, ofp.match())
+            print "STATS"
+            for entry in stats:
+                print(entry.show())
+            print "END"
+        do_barrier(self.controller)
+        verify_no_other_packets(self)
+
+class UnTagFlow10(base_tests.SimpleDataPlane):
+    def runTest(self):
+        do_barrier(self.controller)
+        for port in config["port_map"].keys():
+            add_untag_vlan_table_flow(self.controller, port, 0x0000, 0x1fff)
+            do_barrier(self.controller)
+            logging.info("Sending flow stats request")
+            stats = get_flow_stats(self, ofp.match())
+            print "STATS"
+            for entry in stats:
+                print(entry.show())
+            print "END"
+        do_barrier(self.controller)
+        verify_no_other_packets(self)
+
+
+@disabled
+class UnTagFlow1(base_tests.SimpleDataPlane):
+    def runTest(self):
+        do_barrier(self.controller)
+        for port in config["port_map"].keys():
+            add_untag_vlan_table(self.controller, port)
+            do_barrier(self.controller)
+            logging.info("Sending flow stats request")
+            stats = get_flow_stats(self, ofp.match())
+            print "STATS"
+            for entry in stats:
+                print(entry.show())
+            print "END"
+        do_barrier(self.controller)
+        verify_no_other_packets(self)