add new case
diff --git a/CustomerExample/ophylink.py b/CustomerExample/ophylink.py
new file mode 100755
index 0000000..8214275
--- /dev/null
+++ b/CustomerExample/ophylink.py
@@ -0,0 +1,53 @@
+"""

+Basic test cases

+

+Test cases in other modules depend on this functionality.

+"""

+

+import logging

+

+from oftest import config

+import oftest.base_tests as base_tests

+import ofp

+import time

+from oftest.testutils import *

+from accton_util import *

+

+class case1(base_tests.SimpleDataPlane):

+    """

+    pakcet from port 1 (tag/untag) ouptut to port 2 with vlan 10

+    """

+    def runTest(self):

+        delete_all_flows(self.controller)

+        delete_all_groups(self.controller)     

+    

+        in_port = config["port_map"].keys()[0]

+        out_port=config["port_map"].keys()[1]

+

+        add_one_vlan_table_flow(self.controller, in_port, vlan_id=1, vrf=0, flag=VLAN_TABLE_FLAG_ONLY_BOTH, send_barrier=False)

+        add_one_l2_interface_grouop(self.controller, out_port, 10,  True, False)        

+        msg=add_l2_rewrite_group(self.controller, out_port, 10, 1, None, None)        

+        

+        match = ofp.match()

+        match.oxm_list.append(ofp.oxm.in_port(in_port))

+    

+        request = ofp.message.flow_add(

+                table_id=60,

+                cookie=42,

+                match=match,

+                instructions=[

+                    ofp.instruction.write_actions(

+                        actions=[

+                            ofp.action.group(msg.group_id)])

+                    ],

+                buffer_id=ofp.OFP_NO_BUFFER,

+                priority=1000) 

+        

+        self.controller.message_send(request)

+        

+        parsed_pkt = simple_tcp_packet(pktlen=100)

+        pkt = str(parsed_pkt)

+        self.dataplane.send(in_port, pkt)

+    

+        parsed_pkt = simple_tcp_packet(pktlen=104, dl_vlan_enable=True, vlan_vid=10)

+        verify_packet(self, str(parsed_pkt), out_port)
\ No newline at end of file