diff --git a/src/python/oftest/testutils.py b/src/python/oftest/testutils.py
index 85ccfc3..6e67604 100644
--- a/src/python/oftest/testutils.py
+++ b/src/python/oftest/testutils.py
@@ -1451,23 +1451,25 @@
         rx_pkts_diff = rx_pkts_after - rx_pkts_before
         tx_bytes_diff = tx_bytes_after - tx_bytes_before
         rx_bytes_diff = rx_bytes_after - rx_bytes_before
-        if (tx_pkts == None or tx_pkts == tx_pkts_diff) and \
-           (rx_pkts == None or rx_pkts == rx_pkts_diff) and \
+        if (tx_pkts == None or tx_pkts <= tx_pkts_diff) and \
+           (rx_pkts == None or rx_pkts <= rx_pkts_diff) and \
            (tx_bytes == None or tx_bytes <= tx_bytes_diff) and \
            (rx_bytes == None or rx_bytes <= rx_bytes_diff):
             break
         time.sleep(0.1)
 
     if (tx_pkts != None):
-        test.assertEqual(tx_pkts,tx_pkts_diff,"Port TX packet counter is not updated correctly (expected increase of %d, got increase of %d)" % (tx_pkts, tx_pkts_diff))
+        test.assertGreaterEqual(tx_pkts_diff, tx_pkts,
+            "Port TX packet counter is not updated correctly (expected increase of %d, got increase of %d)" % (tx_pkts, tx_pkts_diff))
     if (rx_pkts != None):
-        test.assertEqual(rx_pkts,rx_pkts_diff,"Port RX packet counter is not updated correctly (expected increase of %d, got increase of %d)" % (rx_pkts, rx_pkts_diff))
+        test.assertGreaterEqual(rx_pkts_diff, rx_pkts,
+            "Port RX packet counter is not updated correctly (expected increase of %d, got increase of %d)" % (rx_pkts, rx_pkts_diff))
     if (tx_bytes != None):
-        test.assertTrue(tx_bytes_diff >= tx_bytes and tx_bytes_diff <= tx_bytes*1.1,
-                        "Port TX byte counter is not updated correctly (expected increase of %d, got increase of %d)" % (tx_bytes, tx_bytes_diff))
+        test.assertGreaterEqual(tx_bytes_diff, tx_bytes,
+            "Port TX byte counter is not updated correctly (expected increase of %d, got increase of %d)" % (tx_bytes, tx_bytes_diff))
     if (rx_bytes != None):
-        test.assertTrue(rx_bytes_diff >= rx_bytes and rx_bytes_diff <= rx_bytes*1.1,
-                        "Port RX byte counter is not updated correctly (expected increase of %d, got increase of %d)" % (rx_bytes, rx_bytes_diff))
+        test.assertGreaterEqual(rx_bytes_diff, rx_bytes,
+            "Port RX byte counter is not updated correctly (expected increase of %d, got increase of %d)" % (rx_bytes, rx_bytes_diff))
 
 def verify_queue_stats(test, port_no, queue_id,
                        initial=[],
diff --git a/tests/FuncUtils.py b/tests/FuncUtils.py
index abf40f5..96c4643 100644
--- a/tests/FuncUtils.py
+++ b/tests/FuncUtils.py
@@ -412,10 +412,7 @@
 def get_portstats(self,port_num):
 
 # Return all the port counters in the form a tuple 
-    port_stats_req = ofp.message.port_stats_request()
-    port_stats_req.port_no = port_num  
-    response,pkt = self.controller.transact(port_stats_req)
-    self.assertTrue(response is not None,"No response received for port stats request") 
+    entries = get_port_stats(self, port_num)
     rx_pkts=0
     tx_pkts=0
     rx_byts=0
@@ -431,7 +428,7 @@
     tx_err=0
 
 
-    for obj in response.entries:
+    for obj in entries:
         rx_pkts += obj.rx_packets
         tx_pkts += obj.tx_packets
         rx_byts += obj.rx_bytes
diff --git a/tests/port_stats.py b/tests/port_stats.py
index 5f3a3f3..41bc0cf 100644
--- a/tests/port_stats.py
+++ b/tests/port_stats.py
@@ -60,16 +60,8 @@
                     'Response packet does not match send packet')
 
 def getStats(obj, port):
-    stat_req = ofp.message.port_stats_request()
-    stat_req.port_no = port
-
-    logging.info("Sending stats request")
-    response, pkt = obj.controller.transact(stat_req, timeout=2)
-    obj.assertTrue(response is not None, 
-                    "No response to stats request")
-    obj.assertTrue(len(response.entries) == 1,
-                    "Did not receive port stats reply")
-    for item in response.entries:
+    entries = get_port_stats(obj, port)
+    for item in entries:
         logging.info("Sent " + str(item.tx_packets) + " packets")
         packet_sent = item.tx_packets
         packet_recv = item.rx_packets
@@ -77,17 +69,9 @@
     return packet_sent, packet_recv
 
 def getAllStats(obj):
-    stat_req = ofp.message.port_stats_request()
-    stat_req.port_no = ofp.OFPP_NONE
-
-    logging.info("Sending all port stats request")
-    response, pkt = obj.controller.transact(stat_req, timeout=2)
-    obj.assertTrue(response is not None, 
-                    "No response to stats request")
-    obj.assertTrue(len(response.entries) >= 3,
-                    "Did not receive all port stats reply")
+    entries = get_port_stats(obj, ofp.OFPP_NONE)
     stats = {}
-    for item in response.entries:
+    for item in entries:
         stats[ item.port_no ] = ( item.tx_packets, item.rx_packets )
     return stats
 
@@ -110,10 +94,10 @@
             sent = item.tx_packets
             recv = item.rx_packets
             logging.info("Sent " + str(item.tx_packets) + " packets")
-            if item.tx_packets == packet_sent:
+            if item.tx_packets >= packet_sent:
                 all_packets_sent = 1
             logging.info("Received " + str(item.rx_packets) + " packets")
-            if item.rx_packets == packet_recv:
+            if item.rx_packets >= packet_recv:
                 all_packets_received = 1
 
         if all_packets_received and all_packets_sent: