diff --git a/src/osmo_gsm_tester/obj/enb.py b/src/osmo_gsm_tester/obj/enb.py
index 4558478..f258b52 100644
--- a/src/osmo_gsm_tester/obj/enb.py
+++ b/src/osmo_gsm_tester/obj/enb.py
@@ -63,6 +63,8 @@
         'cell_list[].ncell_list[]': schema.UINT,
         'cell_list[].scell_list[]': schema.UINT,
         'cell_list[].dl_earfcn': schema.UINT,
+        'cell_list[].root_seq_idx': schema.UINT,
+        'cell_list[].tac': schema.UINT,
         'cell_list[].dl_rfemu.type': schema.STR,
         'cell_list[].dl_rfemu.addr': schema.IPV4,
         'cell_list[].dl_rfemu.ports[]': schema.UINT,
diff --git a/src/osmo_gsm_tester/templates/srsenb_rr.conf.tmpl b/src/osmo_gsm_tester/templates/srsenb_rr.conf.tmpl
index 3bb2c8c..ff51bfd 100644
--- a/src/osmo_gsm_tester/templates/srsenb_rr.conf.tmpl
+++ b/src/osmo_gsm_tester/templates/srsenb_rr.conf.tmpl
@@ -59,9 +59,9 @@
   {
     rf_port = ${cell.rf_port};
     cell_id = ${cell.cell_id};
-    tac = 0x0007;
-    pci = ${loop.index + 1};
-    root_seq_idx = ${loop.index + 204};
+    tac = ${cell.tac};
+    pci = ${cell.pci};
+    root_seq_idx = ${cell.root_seq_idx};
     dl_earfcn = ${cell.dl_earfcn};
     //ul_earfcn = 20850;
     ho_active = true;
diff --git a/sysmocom/defaults.conf b/sysmocom/defaults.conf
index 8201d05..98852aa 100644
--- a/sysmocom/defaults.conf
+++ b/sysmocom/defaults.conf
@@ -134,12 +134,16 @@
      pci: 0x01
      dl_earfcn: 2850
      rf_port: 0
+     tac: 0x0007
+     root_seq_idx: 204
      scell_list: []
      ncell_list: [0x02]
    - cell_id: 0x02
      pci: 0x02
      dl_earfcn: 2850
      rf_port: 0
+     tac: 0x0007
+     root_seq_idx: 205
      scell_list: []
      ncell_list: [0x01]