diff --git a/ci-scripts/cls_oaicitest.py b/ci-scripts/cls_oaicitest.py
index e2851abc25d76f06f0b8d338ce336d1c093e998b..cfd68c9b99f05553e9a9548cbf9dae0592b941d0 100644
--- a/ci-scripts/cls_oaicitest.py
+++ b/ci-scripts/cls_oaicitest.py
@@ -2221,19 +2221,22 @@ class OaiCiTest():
 			logging.debug("Iperf for Module in UL mode detected")
 			#server side EPC
 			SSH.open(EPC.IPAddress, EPC.UserName, EPC.Password)
-			cmd = 'echo $USER; nohup iperf -s -u 2>&1 > iperf_server_' + self.testCase_id + '_' + self.ue_id + '.log' 
+			cmd = 'rm iperf_server_' + self.testCase_id + '_' + self.ue_id + '.log'
+			SSH.command(cmd,'\$',5)
+			cmd = 'echo $USER; nohup iperf -s -i 1 -u 2>&1 > iperf_server_' + self.testCase_id + '_' + self.ue_id + '.log'
 			SSH.command(cmd,'\$',5)
 			#client side UE
 			SSH.open(Module_UE.HostIPAddress, Module_UE.HostUsername, Module_UE.HostPassword)
-			cmd = 'iperf -B ' + UE_IPAddress + ' ' + '-c ' + EPC.IPAddress + ' ' + self.iperf_args + ' > iperf_client_' + self.testCase_id + '_' + self.ue_id + '.log' 
-			SSH.command(cmd,'\$',int(iperf_time)*5.0)
+			cmd = 'rm iperf_client_' + self.testCase_id + '_' + self.ue_id + '.log'
+			SSH.command(cmd,'\$',5)
+			SSH.command('/opt/iperf-2.0.10/iperf -c 192.172.0.1 ' + self.iperf_args + ' 2>&1 > iperf_client_' + self.testCase_id + '_' + self.ue_id + '.log', '\$', int(iperf_time)*5.0)
 
 			#copy the 2 resulting files locally
-			SSH.copyin(Module_UE.HostIPAddress, Module_UE.HostUsername, Module_UE.HostPassword, 'iperf_server_' + self.testCase_id + '_' + self.ue_id + '.log', '.')
-			SSH.copyin(EPC.IPAddress, EPC.UserName, EPC.Password, 'iperf_client_' + self.testCase_id + '_' + self.ue_id + '.log', '.')
+			SSH.copyin(Module_UE.HostIPAddress, Module_UE.HostUsername, Module_UE.HostPassword, 'iperf_client_' + self.testCase_id + '_' + self.ue_id + '.log', '.')
+			SSH.copyin(EPC.IPAddress, EPC.UserName, EPC.Password, 'iperf_server_' + self.testCase_id + '_' + self.ue_id + '.log', '.')
 			#send for analysis
-			filename='iperf_server_' + self.testCase_id + '_' + self.ue_id + '.log'
-			self.Iperf_analyzeV2Server(lock, UE_IPAddress, device_id, statusQueue, self.iperf_args,filename,1)				
+			filename='iperf_client_' + self.testCase_id + '_' + self.ue_id + '.log'
+			self.Iperf_analyzeV2Server(lock, UE_IPAddress, device_id, statusQueue, self.iperf_args,filename,1)		
 		else :
 			logging.debug("Incorrect or missing IPERF direction in XML")