diff --git a/src/mpExperience.py b/src/mpExperience.py
index 56d4420..5e7875b 100644
--- a/src/mpExperience.py
+++ b/src/mpExperience.py
@@ -1,4 +1,5 @@
 from mpParamXp import MpParamXp
+from mpMultiInterfaceTopo import MpMultiInterfaceTopo
 
 class MpExperience:
 	PING = "ping"
@@ -29,10 +30,27 @@ class MpExperience:
 		self.setupSysctl()
 		self.runUserspacePM()
 		self.mpConfig.configureNetwork()
+		self.putPriorityOnPaths()
 		self.runTcpDump()
 		self.runNetemAt()
 		pass
 
+	def putPriorityOnPaths(self):
+		# Only meaningful if mpTopo is instance of MpMultiInterfaceTopo
+		if isinstance(self.mpTopo, MpMultiInterfaceTopo):
+			prioPath0 = self.xpParam.getParam(MpParamXp.PRIOPATH0)
+			prioPath1 = self.xpParam.getParam(MpParamXp.PRIOPATH1)
+			self.mpTopo.commandTo(self.mpConfig.client, "ip link set dev " +
+					  			  self.mpConfig.getClientInterface(0) + "priority" + str(prioPath0))
+			self.mpTopo.commandTo(self.mpConfig.router, "ip link set dev " +
+								  self.mpConfig.getRouterInterfaceSwitch(0) + "priority" +
+								  str(prioPath0))
+			self.mpTopo.commandTo(self.mpConfig.client, "ip link set dev " +
+								  self.mpConfig.getClientInterface(1) + "priority" + str(prioPath1))
+			self.mpTopo.commandTo(self.mpConfig.router, "ip link set dev " +
+								  self.mpConfig.getRouterInterfaceSwitch(1) + "priority" +
+								  str(prioPath1))
+
 	def runUserspacePM(self):
 		if self.xpParam.getParam(MpParamXp.KERNELPMC) != "netlink":
 			print("Client : Error, I can't change the userspace pm if the kernel pm is not netlink !")
diff --git a/src/mpParamXp.py b/src/mpParamXp.py
index 3b357ac..3dac841 100644
--- a/src/mpParamXp.py
+++ b/src/mpParamXp.py
@@ -50,6 +50,8 @@ class MpParamXp(MpParam):
 	SIRIBUFFERSIZE = "siriBufferSize"
 	VLCFILE = "vlcFile"
 	VLCTIME = "vlcTime"
+	PRIOPATH0 = "prioPath0"
+	PRIOPATH1 = "prioPath1"
 
 
 	# global sysctl
@@ -117,6 +119,8 @@ class MpParamXp(MpParam):
 	defaultValue[SIRIBUFFERSIZE] = "9"
 	defaultValue[VLCFILE] = "bunny_ibmff_360.mpd"
 	defaultValue[VLCTIME] = "0"
+	defaultValue[PRIOPATH0] = "0"
+	defaultValue[PRIOPATH1] = "0"
 
 	def __init__(self, paramFile):
 		MpParam.__init__(self, paramFile)