diff --git a/ci-scripts/conf_files/enb.band7.tm1.100PRB.usrpb210.conf b/ci-scripts/conf_files/enb.band7.tm1.100PRB.usrpb210.conf
index 2bd28a60df37f1ac70518eed908139d8b3110ea2..633b3c091a30269be68263f37da5df7e01d47cc0 100644
--- a/ci-scripts/conf_files/enb.band7.tm1.100PRB.usrpb210.conf
+++ b/ci-scripts/conf_files/enb.band7.tm1.100PRB.usrpb210.conf
@@ -183,12 +183,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.111/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.111/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.12.111/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
   }
 );
diff --git a/ci-scripts/conf_files/enb.band7.tm1.25PRB.usrpb210.conf b/ci-scripts/conf_files/enb.band7.tm1.25PRB.usrpb210.conf
index 102fc89a13b6fde8a8192202f320b1edf2e10467..e0c5f757cfcbfffcf25e39e115cc6d2ec1335187 100644
--- a/ci-scripts/conf_files/enb.band7.tm1.25PRB.usrpb210.conf
+++ b/ci-scripts/conf_files/enb.band7.tm1.25PRB.usrpb210.conf
@@ -183,12 +183,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.111/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.111/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.12.111/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
   }
 );
diff --git a/ci-scripts/conf_files/enb.band7.tm1.50PRB.usrpb210.conf b/ci-scripts/conf_files/enb.band7.tm1.50PRB.usrpb210.conf
index fe6e2f0b59589f9ec4ab462b87fbbeb1c0379cf9..af54f439f4065350d28e95d5cff3a00d662317a4 100644
--- a/ci-scripts/conf_files/enb.band7.tm1.50PRB.usrpb210.conf
+++ b/ci-scripts/conf_files/enb.band7.tm1.50PRB.usrpb210.conf
@@ -183,12 +183,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.111/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.111/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.12.111/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
   }
 );
diff --git a/cmake_targets/autotests/v2/config/enb.band38.tm1.usrpb210.tdd.10MHz.conf b/cmake_targets/autotests/v2/config/enb.band38.tm1.usrpb210.tdd.10MHz.conf
index e2ea056ea17c1ab0a31c597d057eaf01bb9426a9..08eb76e09de3551c53e440f8a80d4bdfde30fc66 100644
--- a/cmake_targets/autotests/v2/config/enb.band38.tm1.usrpb210.tdd.10MHz.conf
+++ b/cmake_targets/autotests/v2/config/enb.band38.tm1.usrpb210.tdd.10MHz.conf
@@ -146,12 +146,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "eth6";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.82/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "eth6";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.82/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.12.82/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
 
     log_config :
diff --git a/cmake_targets/autotests/v2/config/enb.band38.tm1.usrpb210.tdd.20MHz.conf b/cmake_targets/autotests/v2/config/enb.band38.tm1.usrpb210.tdd.20MHz.conf
index b2ac3ccf4224581389dc09d43d992ea4039bf502..eff42040ad87163f5d6f562377e41394450c18aa 100644
--- a/cmake_targets/autotests/v2/config/enb.band38.tm1.usrpb210.tdd.20MHz.conf
+++ b/cmake_targets/autotests/v2/config/enb.band38.tm1.usrpb210.tdd.20MHz.conf
@@ -146,12 +146,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "eth6";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.82/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "eth6";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.82/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.12.82/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
 
     log_config :
diff --git a/cmake_targets/autotests/v2/config/enb.band38.tm1.usrpb210.tdd.5MHz.conf b/cmake_targets/autotests/v2/config/enb.band38.tm1.usrpb210.tdd.5MHz.conf
index 006d59d2a54ca908d9b2dde9fb9141b9cf086bb5..8eb66d46438e24e943db10c19a62837a42e550a1 100644
--- a/cmake_targets/autotests/v2/config/enb.band38.tm1.usrpb210.tdd.5MHz.conf
+++ b/cmake_targets/autotests/v2/config/enb.band38.tm1.usrpb210.tdd.5MHz.conf
@@ -146,12 +146,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "eth6";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.82/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "eth6";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.82/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.12.82/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
 
     log_config :
diff --git a/cmake_targets/autotests/v2/config/enb.band7.tm1.usrpb210.fdd.10MHz.conf b/cmake_targets/autotests/v2/config/enb.band7.tm1.usrpb210.fdd.10MHz.conf
index 8c76d95d4c86d978198e922168888d368838b6fa..dc3b3bc4f03a5b93efb03eee80f96c1440950ab0 100644
--- a/cmake_targets/autotests/v2/config/enb.band7.tm1.usrpb210.fdd.10MHz.conf
+++ b/cmake_targets/autotests/v2/config/enb.band7.tm1.usrpb210.fdd.10MHz.conf
@@ -146,12 +146,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.19/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.19/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.12.19/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
 
     log_config :
diff --git a/cmake_targets/autotests/v2/config/enb.band7.tm1.usrpb210.fdd.20MHz.conf b/cmake_targets/autotests/v2/config/enb.band7.tm1.usrpb210.fdd.20MHz.conf
index 0d2bb27dcc7c18c3b8446699a87357a529567611..6af71831f5416490f0df81a67b6a70f6192c263e 100644
--- a/cmake_targets/autotests/v2/config/enb.band7.tm1.usrpb210.fdd.20MHz.conf
+++ b/cmake_targets/autotests/v2/config/enb.band7.tm1.usrpb210.fdd.20MHz.conf
@@ -146,12 +146,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.19/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.19/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.12.19/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
 
     log_config :
diff --git a/cmake_targets/autotests/v2/config/enb.band7.tm1.usrpb210.fdd.5MHz.conf b/cmake_targets/autotests/v2/config/enb.band7.tm1.usrpb210.fdd.5MHz.conf
index c418f355f20903326675577272da21d6dc8230e1..077b6e4ead5def0feab001a00900221b93437f40 100644
--- a/cmake_targets/autotests/v2/config/enb.band7.tm1.usrpb210.fdd.5MHz.conf
+++ b/cmake_targets/autotests/v2/config/enb.band7.tm1.usrpb210.fdd.5MHz.conf
@@ -146,12 +146,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.19/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.19/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.12.19/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
 
     log_config :
diff --git a/cmake_targets/autotests/v2/config/rcc.band7.tm1.if4p5.10MHz.conf b/cmake_targets/autotests/v2/config/rcc.band7.tm1.if4p5.10MHz.conf
index 89e06d2b1e4511f212507069db0d074b87adeb9f..e2f5981418f4487e92bd9c9d03796b4d3dbe8b05 100644
--- a/cmake_targets/autotests/v2/config/rcc.band7.tm1.if4p5.10MHz.conf
+++ b/cmake_targets/autotests/v2/config/rcc.band7.tm1.if4p5.10MHz.conf
@@ -146,12 +146,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.18/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.18/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.12.18/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
 
     rrh_gw_config = (
diff --git a/cmake_targets/autotests/v2/config/rcc.band7.tm1.if4p5.20MHz.conf b/cmake_targets/autotests/v2/config/rcc.band7.tm1.if4p5.20MHz.conf
index c8e6c861e0fddc61ec4a0cb7c9ce169bb36eaf20..9e08414ab3de7152cb674eac96eb7ee8310cd455 100644
--- a/cmake_targets/autotests/v2/config/rcc.band7.tm1.if4p5.20MHz.conf
+++ b/cmake_targets/autotests/v2/config/rcc.band7.tm1.if4p5.20MHz.conf
@@ -146,12 +146,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.18/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.18/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.12.18/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
 
     rrh_gw_config = (
diff --git a/cmake_targets/autotests/v2/config/rcc.band7.tm1.if4p5.5MHz.conf b/cmake_targets/autotests/v2/config/rcc.band7.tm1.if4p5.5MHz.conf
index cc00f4f3ea584d662e58bfdeb7f95ea3073bc9ac..2a598c31d317478bfe78751745adce6ee8f9cf4f 100644
--- a/cmake_targets/autotests/v2/config/rcc.band7.tm1.if4p5.5MHz.conf
+++ b/cmake_targets/autotests/v2/config/rcc.band7.tm1.if4p5.5MHz.conf
@@ -146,12 +146,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.18/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.18/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.12.18/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
 
     rrh_gw_config = (
diff --git a/cmake_targets/autotests/v2/config/rru.band7.tm1.if4p5.10MHz.udp.usrpb210.conf b/cmake_targets/autotests/v2/config/rru.band7.tm1.if4p5.10MHz.udp.usrpb210.conf
index 6e1e776fed0da4bf219f6525b82db0accd8be758..4966108d034d82e20e0df8d72c619bdb63b03ea3 100644
--- a/cmake_targets/autotests/v2/config/rru.band7.tm1.if4p5.10MHz.udp.usrpb210.conf
+++ b/cmake_targets/autotests/v2/config/rru.band7.tm1.if4p5.10MHz.udp.usrpb210.conf
@@ -148,12 +148,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "eth3";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.215/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "eth3";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.215/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.12.215/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
 
     rrh_gw_config = (
diff --git a/cmake_targets/autotests/v2/config/rru.band7.tm1.if4p5.20MHz.udp.usrpb210.conf b/cmake_targets/autotests/v2/config/rru.band7.tm1.if4p5.20MHz.udp.usrpb210.conf
index 7e7c3c185d41be1f6b7ed09fca0cec75d7fd3e85..4f3b25349a64ad0368875ba70d6e150ec0f3e5b7 100644
--- a/cmake_targets/autotests/v2/config/rru.band7.tm1.if4p5.20MHz.udp.usrpb210.conf
+++ b/cmake_targets/autotests/v2/config/rru.band7.tm1.if4p5.20MHz.udp.usrpb210.conf
@@ -148,12 +148,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "eth3";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.215/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "eth3";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.215/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.12.215/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
 
     rrh_gw_config = (
diff --git a/cmake_targets/autotests/v2/config/rru.band7.tm1.if4p5.5MHz.udp.usrpb210.conf b/cmake_targets/autotests/v2/config/rru.band7.tm1.if4p5.5MHz.udp.usrpb210.conf
index 3098660c8de40e967d5e4adf7dc870b31d3ee1c3..54e5a327cd61e7cc5568f9e6267787a231020826 100644
--- a/cmake_targets/autotests/v2/config/rru.band7.tm1.if4p5.5MHz.udp.usrpb210.conf
+++ b/cmake_targets/autotests/v2/config/rru.band7.tm1.if4p5.5MHz.udp.usrpb210.conf
@@ -148,12 +148,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "eth3";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.215/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "eth3";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.215/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.12.215/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
 
     rrh_gw_config = (
diff --git a/openair2/COMMON/x2ap_messages_types.h b/openair2/COMMON/x2ap_messages_types.h
index d3c324a35cfa743a014efd9c763028410257112f..6c4031b981df42869d76abbe210bb88289a27115 100644
--- a/openair2/COMMON/x2ap_messages_types.h
+++ b/openair2/COMMON/x2ap_messages_types.h
@@ -87,6 +87,9 @@ typedef struct x2ap_register_enb_req_s {
   /* Number of SCTP streams used for associations */
   uint16_t sctp_in_streams;
   uint16_t sctp_out_streams;
+
+  /* eNB port for X2C*/
+  uint32_t enb_port_for_X2C;
 } x2ap_register_enb_req_t;
 
 //-------------------------------------------------------------------------------------------//
diff --git a/openair2/ENB_APP/enb_config.c b/openair2/ENB_APP/enb_config.c
index 7591bc3d07dd9b9ac2a80f7513f2ed37e95d7ae5..a275d0c7660a968505a76367d77bbac2c93b6d28 100644
--- a/openair2/ENB_APP/enb_config.c
+++ b/openair2/ENB_APP/enb_config.c
@@ -2549,6 +2549,13 @@ int RCconfig_X2(MessageDef *msg_p, uint32_t i)
             // NETWORK_INTERFACES
             config_get( NETParams,sizeof(NETParams)/sizeof(paramdef_t),aprefix);
 
+            X2AP_REGISTER_ENB_REQ (msg_p).enb_port_for_X2C = (uint32_t)*(NETParams[ENB_PORT_FOR_X2C_IDX].uptr);
+
+            if ((NETParams[ENB_IPV4_ADDR_FOR_X2C_IDX].strptr == NULL) || (X2AP_REGISTER_ENB_REQ (msg_p).enb_port_for_X2C == 0)) {
+              LOG_E(RRC,"Add eNB IPv4 address and/or port for X2C in the CONF file!\n");
+              exit(1);
+            }
+
             cidr = *(NETParams[ENB_IPV4_ADDR_FOR_X2C_IDX].strptr);
             address = strtok(cidr, "/");
 
diff --git a/openair2/ENB_APP/enb_paramdef.h b/openair2/ENB_APP/enb_paramdef.h
index 71d7d634c08074e4bd3dcea01379a3e9e2d3d30c..c540e63db14ddb6c29589b68d709f0b2b9768cd7 100755
--- a/openair2/ENB_APP/enb_paramdef.h
+++ b/openair2/ENB_APP/enb_paramdef.h
@@ -760,12 +760,8 @@ typedef enum {
 #define ENB_INTERFACE_NAME_FOR_S1U_IDX             2
 #define ENB_IPV4_ADDR_FOR_S1U_IDX                  3
 #define ENB_PORT_FOR_S1U_IDX                       4
-#define ENB_INTERFACE_NAME_FOR_X2C		   5
-#define ENB_IPV4_ADDR_FOR_X2C_IDX		   6
-#define ENB_PORT_FOR_X2C			   7
-#define ENB_INTERFACE_NAME_FOR_X2U		   8
-#define ENB_IPV4_ADDR_FOR_X2U			   9
-#define ENB_PORT_FOR_X2U  			  10
+#define ENB_IPV4_ADDR_FOR_X2C_IDX		   5
+#define ENB_PORT_FOR_X2C_IDX			   6
 
 /* S1 interface configuration parameters names   */
 #define ENB_CONFIG_STRING_ENB_INTERFACE_NAME_FOR_S1_MME "ENB_INTERFACE_NAME_FOR_S1_MME"
@@ -775,12 +771,8 @@ typedef enum {
 #define ENB_CONFIG_STRING_ENB_PORT_FOR_S1U              "ENB_PORT_FOR_S1U"
 
 /* X2 interface configuration parameters names */
-#define ENB_CONFIG_STRING_ENB_INTERFACE_NAME_FOR_X2C    "ENB_INTERFACE_NAME_FOR_X2C"
 #define ENB_CONFIG_STRING_ENB_IPV4_ADDR_FOR_X2C         "ENB_IPV4_ADDRESS_FOR_X2C"
 #define ENB_CONFIG_STRING_ENB_PORT_FOR_X2C              "ENB_PORT_FOR_X2C"
-#define ENB_CONFIG_STRING_ENB_INTERFACE_NAME_FOR_X2U    "ENB_INTERFACE_NAME_FOR_X2U"
-#define ENB_CONFIG_STRING_ENB_IPV4_ADDR_FOR_X2U         "ENB_IPV4_ADDRESS_FOR_X2U"
-#define ENB_CONFIG_STRING_ENB_PORT_FOR_X2U              "ENB_PORT_FOR_X2U"
 
 /*--------------------------------------------------------------------------------------------------------------------------------------------------*/
 /*                                            S1/X2 interface configuration parameters                                                                 */
@@ -792,12 +784,8 @@ typedef enum {
 {ENB_CONFIG_STRING_ENB_INTERFACE_NAME_FOR_S1U,           NULL,      0,         strptr:NULL,         defstrval:NULL,      TYPE_STRING,      0},      \
 {ENB_CONFIG_STRING_ENB_IPV4_ADDR_FOR_S1U,                NULL,      0,         strptr:NULL,         defstrval:NULL,      TYPE_STRING,      0},      \
 {ENB_CONFIG_STRING_ENB_PORT_FOR_S1U,                     NULL,      0,         uptr:NULL,           defintval:2152L,     TYPE_UINT,        0},      \
-{ENB_CONFIG_STRING_ENB_INTERFACE_NAME_FOR_X2C,           NULL,      0,         strptr:NULL,         defstrval:NULL,      TYPE_STRING,      0},      \
 {ENB_CONFIG_STRING_ENB_IPV4_ADDR_FOR_X2C,                NULL,      0,         strptr:NULL,         defstrval:NULL,      TYPE_STRING,      0},      \
-{ENB_CONFIG_STRING_ENB_PORT_FOR_X2C,                     NULL,      0,         uptr:NULL,           defintval:2152L,     TYPE_UINT,        0},      \
-{ENB_CONFIG_STRING_ENB_INTERFACE_NAME_FOR_X2U,           NULL,      0,         strptr:NULL,         defstrval:NULL,      TYPE_STRING,      0},      \
-{ENB_CONFIG_STRING_ENB_IPV4_ADDR_FOR_X2U,                NULL,      0,         strptr:NULL,         defstrval:NULL,      TYPE_STRING,      0},      \
-{ENB_CONFIG_STRING_ENB_PORT_FOR_X2U,                     NULL,      0,         uptr:NULL,           defintval:2152L,     TYPE_UINT,        0}       \
+{ENB_CONFIG_STRING_ENB_PORT_FOR_X2C,                     NULL,      0,         uptr:NULL,           defintval:0L,        TYPE_UINT,        0},      \
 }   
 
 
diff --git a/targets/PROJECTS/CENTOS-LTE-EPC-INTEGRATION/CONF/enb.centos.calisson.conf b/targets/PROJECTS/CENTOS-LTE-EPC-INTEGRATION/CONF/enb.centos.calisson.conf
index 09406d98cf534b27fd1abe11b54562c086be25b7..7ec670d5686e889e589444f2ec7d9b62831c602c 100755
--- a/targets/PROJECTS/CENTOS-LTE-EPC-INTEGRATION/CONF/enb.centos.calisson.conf
+++ b/targets/PROJECTS/CENTOS-LTE-EPC-INTEGRATION/CONF/enb.centos.calisson.conf
@@ -47,6 +47,9 @@ eNBs =
 
         ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.13.10/24";
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.13.10/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
 
   }
diff --git a/targets/PROJECTS/CENTOS-LTE-EPC-INTEGRATION/CONF/enb.centos.memphis.conf b/targets/PROJECTS/CENTOS-LTE-EPC-INTEGRATION/CONF/enb.centos.memphis.conf
index 47c12a79266b8ff907c3d26e75fe9a12ce7d5005..e3a0ea3c56f8d9513c47116c84de41a5746a9c10 100755
--- a/targets/PROJECTS/CENTOS-LTE-EPC-INTEGRATION/CONF/enb.centos.memphis.conf
+++ b/targets/PROJECTS/CENTOS-LTE-EPC-INTEGRATION/CONF/enb.centos.memphis.conf
@@ -59,6 +59,9 @@ eNBs =
 
         ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.13.10/24";
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.13.10/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
 # available options for level:   error, warn, notice, info, debug, trace
 # available options for verbosity: none, low, medium, high, full
diff --git a/targets/PROJECTS/CENTOS-LTE-EPC-INTEGRATION/CONF/enb.centos.nord.conf b/targets/PROJECTS/CENTOS-LTE-EPC-INTEGRATION/CONF/enb.centos.nord.conf
index 4360884c1db1bcb6f1ca30a5b275e1e1938deedc..591257ff713003544f33bb4f6c7a388267509b51 100755
--- a/targets/PROJECTS/CENTOS-LTE-EPC-INTEGRATION/CONF/enb.centos.nord.conf
+++ b/targets/PROJECTS/CENTOS-LTE-EPC-INTEGRATION/CONF/enb.centos.nord.conf
@@ -46,6 +46,9 @@ eNBs =
 
         ENB_INTERFACE_NAME_FOR_S1U               = "eth1";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.13.10/24";
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.13.10/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
 
   }
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.tm1.100PRB.usrpx310.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.tm1.100PRB.usrpx310.conf
index 73da2a8b3f37c65507ef1994f930021d7bacfd29..bec9c2c6ddc9c573a4a9a329d6f7a69c0a523588 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.tm1.100PRB.usrpx310.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.tm1.100PRB.usrpx310.conf
@@ -151,6 +151,9 @@ eNBs =
         ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.111/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.12.111/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
 
     log_config :
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.tm1.usrpx310.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.tm1.usrpx310.conf
index bd0503a4669b698fc568a782272a99571c76b6e8..834b6cf044177eb27d4569c12b96ada46e68aa0c 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.tm1.usrpx310.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.tm1.usrpx310.conf
@@ -151,6 +151,9 @@ eNBs =
         ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.111/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.12.111/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
 
     log_config :
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.100PRB.usrpx310.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.100PRB.usrpx310.conf
index 9a2ca88257352d763a3d67cf9cfed17a4d7e8b5b..6b3614f490bb35c4317c9a7d07c82fd3d965f429 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.100PRB.usrpx310.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.100PRB.usrpx310.conf
@@ -149,12 +149,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "eth6";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.111/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "eth6";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.111/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.12.111/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
   }
 );
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.25PRB.usrpb210.replay.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.25PRB.usrpb210.replay.conf
index 99df987b43797da367931ff5f08f2583bb1523e0..fb184549c54eb67ce7e63ca62a85c9cc09778b5c 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.25PRB.usrpb210.replay.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.25PRB.usrpb210.replay.conf
@@ -183,12 +183,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "lo";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.13.10/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "lo";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.13.10/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.13.10/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
   }
 );
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.50PRB.usrpb210-d2d.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.50PRB.usrpb210-d2d.conf
index 7d73e55c6c8e494e556bfb508eb6c9cd28ad81ef..c6ace3b68fa396c9b87c5a357c0b250d20e108c7 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.50PRB.usrpb210-d2d.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.50PRB.usrpb210-d2d.conf
@@ -183,14 +183,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "lo";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "127.0.0.2/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "127.0.0.4/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
-        
-        
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "127.0.0.2/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
   }
 );
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.50PRB.usrpb210.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.50PRB.usrpb210.conf
index 69166672d79298d91ff605d5fa2fbf21b5cc6515..c2f10e20aebd768bfdb47271763d0c4f226ae8ba 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.50PRB.usrpb210.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.50PRB.usrpb210.conf
@@ -183,12 +183,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.111/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.111/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.12.111/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
   }
 );
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.50PRB.usrpb210_ue_expansion.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.50PRB.usrpb210_ue_expansion.conf
index 1197c4ad937638de4825c6ac99237438bb7f18e6..e46467598ee5f1a207562226e81864271fab827f 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.50PRB.usrpb210_ue_expansion.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.50PRB.usrpb210_ue_expansion.conf
@@ -150,12 +150,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.19/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.19/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.12.19/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
   }
 );
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band38.tm1.if4p5.50PRB.lo.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band38.tm1.if4p5.50PRB.lo.conf
index c4d23bac42b3a9bb8f0be3ad40f14b64a0834be5..a6efe742834a27904e4b39d4a998b96b6a0209cb 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band38.tm1.if4p5.50PRB.lo.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band38.tm1.if4p5.50PRB.lo.conf
@@ -152,12 +152,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "lo";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "127.0.0.2/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "lo";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "127.0.0.5/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "127.0.0.2/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
   }
 );
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band7.tm1.50PRB.nfapi-STUB.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band7.tm1.50PRB.nfapi-STUB.conf
index 71a163209ded9e16fd01ac56ad8b0d73491dc11f..fefb4b11def94013d1efc34ba79c617f0e03aead 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band7.tm1.50PRB.nfapi-STUB.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band7.tm1.50PRB.nfapi-STUB.conf
@@ -153,12 +153,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "vboxnet0";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.56.1/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "vboxnet0";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.56.1/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.56.1/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
 
   }
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band7.tm1.50PRB.nfapi.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band7.tm1.50PRB.nfapi.conf
index a6da42c2f563cbed744420b8f4832c81da5079c0..cd21fb935e44f8529457a66448dcac1159976c44 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band7.tm1.50PRB.nfapi.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band7.tm1.50PRB.nfapi.conf
@@ -183,12 +183,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "lo";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "127.0.0.2/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "lo";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "127.0.0.5/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "127.0.0.2/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
   }
 );
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band7.tm1.if4p5.50PRB.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band7.tm1.if4p5.50PRB.conf
index 550de4e1a2c5a56b846a8d5bf296a08f2ddaabad..581012d7d315f1f8ba9c3e02b2edaa75006e7bc5 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band7.tm1.if4p5.50PRB.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band7.tm1.if4p5.50PRB.conf
@@ -152,12 +152,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.19/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "127.0.0.5/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "192.168.12.19/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
   }
 );
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band7.tm1.if4p5.50PRB.lo.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band7.tm1.if4p5.50PRB.lo.conf
index 2b5a0ca68469eae11ba2587f9aae402a8dba7fc5..5f9f8c4d7b6a1321ef12112f59c76612f26230a5 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band7.tm1.if4p5.50PRB.lo.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/rcc.band7.tm1.if4p5.50PRB.lo.conf
@@ -151,12 +151,14 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-
         ENB_INTERFACE_NAME_FOR_S1_MME            = "lo";
         ENB_IPV4_ADDRESS_FOR_S1_MME              = "127.0.0.2/24";
         ENB_INTERFACE_NAME_FOR_S1U               = "lo";
         ENB_IPV4_ADDRESS_FOR_S1U                 = "127.0.0.5/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
+
+        ENB_IPV4_ADDRESS_FOR_X2C                 = "127.0.0.2/24";
+        ENB_PORT_FOR_X2C                         = 36422; # Spec 36422
     };
   }
 );