diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/RT_ENB.MME.HSS/epc.yang.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/RT_ENB.MME.HSS/epc.yang.conf
index 287e725f8cce40b2a9d38dd1edb83782be093150..c6604dd69ac63e33cc67e84ab423de3c75617db6 100755
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/RT_ENB.MME.HSS/epc.yang.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/RT_ENB.MME.HSS/epc.yang.conf
@@ -141,7 +141,7 @@ MME :
     
     NETWORK_INTERFACES : 
     {
-        MME_INTERFACE_NAME_FOR_S1_MME         = "eth2";
+        MME_INTERFACE_NAME_FOR_S1_MME         = "eth1";
         MME_IPV4_ADDRESS_FOR_S1_MME           = "192.168.13.17/24";
 
         MME_INTERFACE_NAME_FOR_S11_MME        = "none";
@@ -156,7 +156,7 @@ S-GW :
         SGW_INTERFACE_NAME_FOR_S11              = "none";
         SGW_IPV4_ADDRESS_FOR_S11                = "0.0.0.0/24";
 
-        SGW_INTERFACE_NAME_FOR_S1U_S12_S4_UP    = "eth2";
+        SGW_INTERFACE_NAME_FOR_S1U_S12_S4_UP    = "eth1";
         SGW_INTERFACE_MTU_FOR_S1U_S12_S4_UP     = 1564;
         SGW_IPV4_ADDRESS_FOR_S1U_S12_S4_UP      = "192.168.13.17/24";
         # TODO  PORT NUMBER
@@ -181,7 +181,7 @@ P-GW =
         PGW_INTERFACE_NAME_FOR_SGI            = "eth3";
         PGW_IPV4_ADDRESS_FOR_SGI              = "192.168.14.17/24";
         # Option available only if GTPU in kernel configured
-        PGW_MASQUERADE_SGI                    = "no";
+        PGW_MASQUERADE_SGI                    = "yes";
     };
     
     IP_ADDRESS_POOL :