diff --git a/openair2/F1AP/f1ap_cu_ue_context_management.c b/openair2/F1AP/f1ap_cu_ue_context_management.c
index 1fb4981330..876cd1e3a9 100644
--- a/openair2/F1AP/f1ap_cu_ue_context_management.c
+++ b/openair2/F1AP/f1ap_cu_ue_context_management.c
@@ -957,9 +957,7 @@ int CU_send_UE_CONTEXT_MODIFICATION_REQUEST(instance_t instance, f1ap_ue_context
   F1AP_UEContextModificationRequest_t    *out;
   uint8_t  *buffer=NULL;
   uint32_t  len=0;
-  // for test
-  LOG_W(F1AP, "UE Context Modification Request PLMN is hardcoded!\n");
-  f1ap_served_cell_info_t hardCoded= { .plmn.mcc=208, .plmn.mnc=93, .plmn.mnc_digit_length=2};
+
   /* Create */
   /* 0. Message Type */
   pdu.present = F1AP_F1AP_PDU_PR_initiatingMessage;
@@ -985,13 +983,18 @@ int CU_send_UE_CONTEXT_MODIFICATION_REQUEST(instance_t instance, f1ap_ue_context
 
   /* optional */
   /* c3. NRCGI */
-  if (0) {
+  if (true) {
     asn1cSequenceAdd(out->protocolIEs.list, F1AP_UEContextModificationRequestIEs_t, ie3);
     ie3->id                             = F1AP_ProtocolIE_ID_id_SpCell_ID;
     ie3->criticality                    = F1AP_Criticality_ignore;
     ie3->value.present                  = F1AP_UEContextModificationRequestIEs__value_PR_NRCGI;
     /* - nRCGI */
-    addnRCGI(ie3->value.choice.NRCGI, &hardCoded);
+
+    f1ap_served_cell_info_t nrcgi = {
+        .plmn = f1ap_ue_context_modification_req->plmn,
+        .nr_cellid = f1ap_ue_context_modification_req->nr_cellid,
+    };
+    addnRCGI(ie3->value.choice.NRCGI, &nrcgi);
   }
 
   /* optional */
@@ -1113,6 +1116,7 @@ int CU_send_UE_CONTEXT_MODIFICATION_REQUEST(instance_t instance, f1ap_ue_context
       F1AP_SCell_ToBeSetupMod_Item_t *scell_toBeSetupMod_item=
           &scell_toBeSetupMod_item_ies->value.choice.SCell_ToBeSetupMod_Item;
       //   /* - sCell_ID */
+      f1ap_served_cell_info_t hardCoded = {0};
       addnRCGI(scell_toBeSetupMod_item->sCell_ID, &hardCoded);
       /* sCellIndex */
       scell_toBeSetupMod_item->sCellIndex = 6;  // issue here
@@ -1140,6 +1144,7 @@ int CU_send_UE_CONTEXT_MODIFICATION_REQUEST(instance_t instance, f1ap_ue_context
       F1AP_SCell_ToBeRemoved_Item_t *scell_toBeRemoved_item=
         &scell_toBeRemoved_item_ies->value.choice.SCell_ToBeRemoved_Item;
       /* - sCell_ID */
+      f1ap_served_cell_info_t hardCoded = {0};
       addnRCGI(scell_toBeRemoved_item->sCell_ID, &hardCoded);
     }
   }
diff --git a/openair2/F1AP/f1ap_du_ue_context_management.c b/openair2/F1AP/f1ap_du_ue_context_management.c
index b9d29303f0..91cb157c9d 100644
--- a/openair2/F1AP/f1ap_du_ue_context_management.c
+++ b/openair2/F1AP/f1ap_du_ue_context_management.c
@@ -927,16 +927,7 @@ int DU_handle_UE_CONTEXT_MODIFICATION_REQUEST(instance_t instance, sctp_assoc_t
       f1ap_ue_context_modification_req->rrc_container = malloc(ieRRC->value.choice.RRCContainer.size);
       memcpy(f1ap_ue_context_modification_req->rrc_container,
           ieRRC->value.choice.RRCContainer.buf, ieRRC->value.choice.RRCContainer.size);
-      protocol_ctxt_t ctxt;
-      // decode RRC Container and act on the message type
-      ctxt.rntiMaybeUEid = f1ap_ue_context_modification_req->gNB_DU_ue_id;
-      ctxt.instance = instance;
-      ctxt.module_id  = instance;
-      ctxt.enb_flag  = 1;
-      ctxt.eNB_index = instance;
-      mem_block_t *pdcp_pdu_p = get_free_mem_block(ieRRC->value.choice.RRCContainer.size, __func__);
-      memcpy(&pdcp_pdu_p->data[0], ieRRC->value.choice.RRCContainer.buf, ieRRC->value.choice.RRCContainer.size);
-      du_rlc_data_req(&ctxt, 1, 0x00, 1, 1, 0, ieRRC->value.choice.RRCContainer.size, pdcp_pdu_p);
+      f1ap_ue_context_modification_req->rrc_container_length = ieRRC->value.choice.RRCContainer.size;
     } else {
       LOG_E(F1AP, " RRCContainer in UEContextModificationRequestIEs size id 0\n");
     }
@@ -944,6 +935,32 @@ int DU_handle_UE_CONTEXT_MODIFICATION_REQUEST(instance_t instance, sctp_assoc_t
     LOG_D(F1AP, "can't find RRCContainer in UEContextModificationRequestIEs by id %ld \n", F1AP_ProtocolIE_ID_id_RRCContainer);
   }
 
+  /* CU2DU Information */
+  F1AP_UEContextModificationRequestIEs_t *ieCU2DU = NULL;
+  F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_UEContextModificationRequestIEs_t,
+                             ieCU2DU,
+                             container,
+                             F1AP_ProtocolIE_ID_id_CUtoDURRCInformation,
+                             false);
+  if (ieCU2DU != NULL) {
+    f1ap_ue_context_modification_req->cu_to_du_rrc_information =
+        calloc(1, sizeof(*f1ap_ue_context_modification_req->cu_to_du_rrc_information));
+    AssertFatal(f1ap_ue_context_modification_req->cu_to_du_rrc_information != NULL, "out of memory\n");
+    cu_to_du_rrc_information_t *cu2du = f1ap_ue_context_modification_req->cu_to_du_rrc_information;
+    const F1AP_CUtoDURRCInformation_t *cu2duie = &ieCU2DU->value.choice.CUtoDURRCInformation;
+    if (cu2duie->cG_ConfigInfo != NULL)
+      LOG_W(F1AP, "UE RNTI %04x: ignoring cg_ConfigInfo, not implemented\n", f1ap_ue_context_modification_req->gNB_DU_ue_id);
+    if (cu2duie->measConfig != NULL)
+      LOG_W(F1AP, "UE RNTI %04x: ignoring measConfig, not implemented\n", f1ap_ue_context_modification_req->gNB_DU_ue_id);
+    if (cu2duie->uE_CapabilityRAT_ContainerList != NULL) {
+      F1AP_UE_CapabilityRAT_ContainerList_t *uecap = cu2duie->uE_CapabilityRAT_ContainerList;
+      cu2du->uE_CapabilityRAT_ContainerList = calloc(uecap->size, sizeof(*cu2du->uE_CapabilityRAT_ContainerList));
+      AssertFatal(cu2du->uE_CapabilityRAT_ContainerList != NULL, "out of memory\n");
+      cu2du->uE_CapabilityRAT_ContainerList_length = uecap->size;
+      memcpy(cu2du->uE_CapabilityRAT_ContainerList, uecap->buf, uecap->size);
+    }
+  }
+
   ue_context_modification_request(f1ap_ue_context_modification_req);
   return 0;
 }
diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
index ce465438a6..fc317593fb 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
@@ -2917,8 +2917,11 @@ void send_initial_ul_rrc_message(gNB_MAC_INST *mac, int rnti, const uint8_t *sdu
   uint8_t du2cu[1024];
   int encoded = encode_cellGroupConfig(UE->CellGroup, du2cu, sizeof(du2cu));
 
+  DevAssert(mac->f1_config.setup_req != NULL);
+  AssertFatal(mac->f1_config.setup_req->num_cells_available == 1, "can handle only one cell\n");
   const f1ap_initial_ul_rrc_message_t ul_rrc_msg = {
-    /* TODO: add mcc, mnc, cell_id, ..., is not available at MAC yet */
+    .plmn = mac->f1_config.setup_req->cell[0].info.plmn,
+    .nr_cellid = mac->f1_config.setup_req->cell[0].info.nr_cellid,
     .gNB_DU_ue_id = rnti,
     .crnti = rnti,
     .rrc_container = (uint8_t *) sdu,
diff --git a/openair2/LAYER2/NR_MAC_gNB/mac_rrc_dl_handler.c b/openair2/LAYER2/NR_MAC_gNB/mac_rrc_dl_handler.c
index e18c9ea5b7..ea0d08e152 100644
--- a/openair2/LAYER2/NR_MAC_gNB/mac_rrc_dl_handler.c
+++ b/openair2/LAYER2/NR_MAC_gNB/mac_rrc_dl_handler.c
@@ -369,7 +369,8 @@ void ue_context_modification_request(const f1ap_ue_context_modif_req_t *req)
     update_cellGroupConfig(new_CellGroup, UE->uid, UE->capability, &mac->radio_config, scc);
   }
 
-  if (req->srbs_to_be_setup_length > 0 || req->drbs_to_be_setup_length > 0 || req->drbs_to_be_released_length > 0) {
+  if (req->srbs_to_be_setup_length > 0 || req->drbs_to_be_setup_length > 0 || req->drbs_to_be_released_length > 0
+      || ue_cap != NULL) {
     resp.du_to_cu_rrc_information = calloc(1, sizeof(du_to_cu_rrc_information_t));
     AssertFatal(resp.du_to_cu_rrc_information != NULL, "out of memory\n");
     resp.du_to_cu_rrc_information->cellGroupConfig = calloc(1, 1024);
diff --git a/openair2/RRC/NR/rrc_gNB.c b/openair2/RRC/NR/rrc_gNB.c
index e7f36ff9c6..b057d023b3 100644
--- a/openair2/RRC/NR/rrc_gNB.c
+++ b/openair2/RRC/NR/rrc_gNB.c
@@ -2077,7 +2077,6 @@ static void rrc_CU_process_ue_context_modification_response(MessageDef *msg_p, i
   }
 
   if (resp->du_to_cu_rrc_information != NULL && resp->du_to_cu_rrc_information->cellGroupConfig != NULL) {
-    LOG_W(RRC, "UE context modification response contains new CellGroupConfig for UE %04x, triggering reconfiguration\n", UE->rnti);
     NR_CellGroupConfig_t *cellGroupConfig = NULL;
     asn_dec_rval_t dec_rval = uper_decode_complete(NULL,
                                                    &asn_DEF_NR_CellGroupConfig,