diff --git a/oltconstants.py b/oltconstants.py
index b97ab5a..29a6db5 100644
--- a/oltconstants.py
+++ b/oltconstants.py
@@ -1,4 +1,5 @@
-from oftest.testutils import *
+import logging
+from oftest.testutils import test_param_get, MINSIZE
 import oftest.packet as scapy
 from oftest import config
 
@@ -11,7 +12,7 @@
 onu_port2 = test_param_get("onu_port2", 131)
 olt_port = test_param_get("olt_port", 258)
 device_type = test_param_get("device_type", "normal")  # options: "normal", "pmc", "cpqd"
-
+fake_dataplane = test_param_get("fake_dataplane", False)
 
 def createAllGroupAdd(group_id, ports=[]):
     buckets = []
@@ -101,3 +102,28 @@
     pkt = pkt / ("D" * (pktlen - len(pkt)))
 
     return pkt
+
+# Monkey-patch the oftest library to allow faking the data-plane
+# This mode allows oftest to glide through the OF programming steps while
+# passing all packet receiving tests. This is useful when you want to
+# verify that your agent's OF interface handles all OF protocol messages
+# from the controller, but in the absence of actual data-plane tests.
+# In order to achieve this, in this mode the following chnages are made:
+# - All verify_packet_in() tests pass
+if fake_dataplane:
+    logging.info('Monkey-patching for fake-dataplane operations')
+
+    from oftest import testutils
+
+    def patched_verify_packet_in(test, data, in_port, reason, controller=None):
+        logging.debug('Faking verify_packet_in')
+        msg = ofp.message.packet_in(reason=reason, data=data)
+        return msg
+
+    testutils.verify_packet_in = patched_verify_packet_in
+
+    def patched_verify_packet(test, pkt, of_port):
+        logging.debug('Faking verify_packet')
+        return
+
+    testutils.verify_packet = patched_verify_packet