diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.generic.oaisim.local_no_mme.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.generic.oaisim.local_no_mme.conf
index 8a7a694ece58fa811b80b828139d007fda664a14..e97e2d42d1be8498d285a6b11e4bc1c612278758 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.generic.oaisim.local_no_mme.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.generic.oaisim.local_no_mme.conf
@@ -118,7 +118,7 @@ eNBs =
 
         ENB_INTERFACE_NAME_FOR_S1U               = "none";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "0.0.0.0/24";
-        ENB_PORT_FOR_S1U                         = 2153; # Spec 2152
+        ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
     };
 
     log_config :
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.tm1.generic.oaisim.local_no_mme.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.tm1.generic.oaisim.local_no_mme.conf
index bfd24f2032eadc12b51bf4c933df6616bcc7b110..532e75d61e55e4f4df0a474596b6170ac372daac 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.tm1.generic.oaisim.local_no_mme.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.tm1.generic.oaisim.local_no_mme.conf
@@ -119,7 +119,7 @@ eNBs =
 
         ENB_INTERFACE_NAME_FOR_S1U               = "none";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "0.0.0.0/24";
-        ENB_PORT_FOR_S1U                         = 2153; # Spec 2152
+        ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
     };
 
     log_config :
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.flexran.oaisim.local_no_mme.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.flexran.oaisim.local_no_mme.conf
index ca36fab45578ff31fd382ad0f30fdb29503220ad..188144754143a5bba4176096d6f1b06fbb372320 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.flexran.oaisim.local_no_mme.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.flexran.oaisim.local_no_mme.conf
@@ -121,7 +121,7 @@ eNBs =
 
         ENB_INTERFACE_NAME_FOR_S1U               = "none";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "0.0.0.0/24";
-        ENB_PORT_FOR_S1U                         = 2153; # Spec 2152
+        ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
     };
 
     NETWORK_CONTROLLER :
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.generic.oaisim.local_mme.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.generic.oaisim.local_mme.conf
index 20589158d77d2ef8a0c18c2152267dead376a1e3..7dd8a500c3544b60fe2a27173199f951d874dc8a 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.generic.oaisim.local_mme.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.generic.oaisim.local_mme.conf
@@ -152,7 +152,7 @@ eNBs =
 
         ENB_INTERFACE_NAME_FOR_S1U               = "lo";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "127.0.0.1/8";
-        ENB_PORT_FOR_S1U                         = 2153; # Spec 2152
+        ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
     };
 
     log_config :
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.generic.oaisim.local_no_mme.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.generic.oaisim.local_no_mme.conf
index 5445e35656a88b0ab2365ef1c16af56a9e61c511..e1587e5ceba3b73eaedeeb5240d91757dcf3f396 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.generic.oaisim.local_no_mme.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.generic.oaisim.local_no_mme.conf
@@ -121,7 +121,7 @@ eNBs =
 
         ENB_INTERFACE_NAME_FOR_S1U               = "none";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "0.0.0.0/24";
-        ENB_PORT_FOR_S1U                         = 2153; # Spec 2152
+        ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
     };
 
     log_config :
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.generic.oaisim.local_mme.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.generic.oaisim.local_mme.conf
index 495675c8711bcd37eebb034b2ff4e15d0e003495..f7e1ff1e6a46a4a239c40a656ba5aebe9645e4c6 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.generic.oaisim.local_mme.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.generic.oaisim.local_mme.conf
@@ -151,7 +151,7 @@ eNBs =
 
         ENB_INTERFACE_NAME_FOR_S1U               = "lo";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "127.0.0.1/8";
-        ENB_PORT_FOR_S1U                         = 2153; # Spec 2152
+        ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
     };
 
     log_config :
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.generic.oaisim.local_no_mme.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.generic.oaisim.local_no_mme.conf
index 140d215b9cb680169243ca15f277f206b7e592bf..eb85b65afba41273baf0a3f884fe29aa262cf977 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.generic.oaisim.local_no_mme.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.generic.oaisim.local_no_mme.conf
@@ -121,7 +121,7 @@ eNBs =
 
         ENB_INTERFACE_NAME_FOR_S1U               = "none";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "0.0.0.0/24";
-        ENB_PORT_FOR_S1U                         = 2153; # Spec 2152
+        ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
     };
 
     log_config :