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 6ddb2231824c2c71a00b2110379ca6f5e68e56d7..20589158d77d2ef8a0c18c2152267dead376a1e3 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
@@ -22,7 +22,11 @@ eNBs =
        ////////// Physical parameters:
 
     component_carriers = (
-    	{
+      {
+            node_function                                         = "eNodeB_3GPP";
+            node_timing                                           = "synch_to_ext_device";
+            node_synch_ref                                        = 0;
+
   		    frame_type					              = "FDD";
             tdd_config 					              = 3;
             tdd_config_s            			      = 0;
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 96107a508e4a91bbb9ccf354dd220373c6629e7c..495675c8711bcd37eebb034b2ff4e15d0e003495 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
@@ -23,6 +23,9 @@ eNBs =
 
     component_carriers = (
     	{
+            node_function                                         = "eNodeB_3GPP";
+            node_timing                                           = "synch_to_ext_device";
+            node_synch_ref                                        = 0;
   		    frame_type					              = "FDD";
             tdd_config 					              = 3;
             tdd_config_s            			      = 0;