diff --git a/openair2/RRC/NR/nr_rrc_defs.h b/openair2/RRC/NR/nr_rrc_defs.h
index e53ad60685..fd19220188 100644
--- a/openair2/RRC/NR/nr_rrc_defs.h
+++ b/openair2/RRC/NR/nr_rrc_defs.h
@@ -271,6 +271,40 @@ typedef struct pdu_session_param_s {
   uint8_t cause_value;
 } rrc_pdu_session_param_t;
 
+typedef struct drb_s {
+  int status;
+  int defaultDRBid;
+  int drb_id;
+  int reestablishPDCP;
+  int recoverPDCP;
+  int daps_Config_r16;
+  struct cnAssociation_s {
+    int present;
+    int eps_BearerIdentity;
+    struct sdap_config_s {
+      bool defaultDRB;
+      int pdusession_id;
+      int sdap_HeaderDL;
+      int sdap_HeaderUL;
+      int mappedQoS_FlowsToAdd[QOSFLOW_MAX_VALUE];
+    } sdap_config;
+  } cnAssociation;
+  struct pdcp_config_s {
+    int discardTimer;
+    int pdcp_SN_SizeUL;
+    int pdcp_SN_SizeDL;
+    int t_Reordering;
+    int integrityProtection;
+    struct headerCompression_s{
+      int NotUsed;
+      int present;
+    } headerCompression;
+    struct ext1_s {
+      int cipheringDisabled;
+    } ext1;
+  } pdcp_config;
+} drb_t;
+
 typedef struct gNB_RRC_UE_s {
   uint8_t                            primaryCC_id;
   NR_SRB_ToAddModList_t             *SRB_configList;
@@ -278,6 +312,7 @@ typedef struct gNB_RRC_UE_s {
   NR_DRB_ToAddModList_t             *DRB_configList;
   NR_DRB_ToAddModList_t             *DRB_configList2[NR_RRC_TRANSACTION_IDENTIFIER_NUMBER];
   NR_DRB_ToReleaseList_t            *DRB_Release_configList2[NR_RRC_TRANSACTION_IDENTIFIER_NUMBER];
+  drb_t                              established_drbs[NGAP_MAX_DRBS_PER_UE];
   uint8_t                            DRB_active[NGAP_MAX_DRBS_PER_UE];
 
   NR_SRB_INFO_TABLE_ENTRY Srb[maxSRBs]; // 3gpp max is 3 SRBs, number 1..3, we waste the entry 0 for code simplicity