diff --git a/src/mpExperience.py b/src/mpExperience.py
index bacc2b8..40547d3 100644
--- a/src/mpExperience.py
+++ b/src/mpExperience.py
@@ -60,6 +60,11 @@ class MpExperience:
 									  self.mpConfig.getRouterInterfaceSwitch(1) + " priority " +
 									  str(prioPath1))
 
+			backupPath1 = self.xpParam.getParam(MpParamXp.BACKUPPATH1)
+			if int(backupPath1) > 0:
+				self.mpTopo.commandTo(self.mpConfig.client, self.mpConfig.interfaceBUPCommand(self.mpConfig.getClientInterface(1)))
+				self.mpTopo.commandTo(self.mpConfig.router, self.mpConfig.interfaceBUPCommand(self.mpConfig.getRouterInterfaceSwitch(1)))
+
 	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 2e739da..34a6f1f 100644
--- a/src/mpParamXp.py
+++ b/src/mpParamXp.py
@@ -56,6 +56,7 @@ class MpParamXp(MpParam):
 	BURSTSOFFPACKETSSEC = "burstsOffPacketsSec"
 	PRIOPATH0 = "prioPath0"
 	PRIOPATH1 = "prioPath1"
+	BACKUPPATH1 = "backupPath1"
 	EXPIRATION = "expiration"
 	METRIC = "metric"
 
@@ -134,6 +135,7 @@ class MpParamXp(MpParam):
 	defaultValue[BURSTSOFFPACKETSSEC] = "750"
 	defaultValue[PRIOPATH0] = "0"
 	defaultValue[PRIOPATH1] = "0"
+	defaultValue[BACKUPPATH1] = "0"
 
 	def __init__(self, paramFile):
 		MpParam.__init__(self, paramFile)