diff --git a/openbsc/src/bsc_vty.c b/openbsc/src/bsc_vty.c
index 82737e3..71fd9b5 100644
--- a/openbsc/src/bsc_vty.c
+++ b/openbsc/src/bsc_vty.c
@@ -550,6 +550,8 @@
 	vty_out(vty, " timer t3122 %u%s", gsmnet->T3122, VTY_NEWLINE);
 	vty_out(vty, " timer t3141 %u%s", gsmnet->T3141, VTY_NEWLINE);
 	vty_out(vty, " dtx-used %u%s", gsmnet->dtx_enabled, VTY_NEWLINE);
+	vty_out(vty, " subscriber-keep-in-ram %d%s",
+		gsmnet->keep_subscr, VTY_NEWLINE);
 
 	return CMD_SUCCESS;
 }
@@ -1360,6 +1362,17 @@
 	return CMD_SUCCESS;
 }
 
+DEFUN(cfg_net_subscr_keep,
+      cfg_net_subscr_keep_cmd,
+      "subscriber-keep-in-ram (0|1)",
+      "Keep unused subscribers in RAM.\n"
+      "Delete unused subscribers\n" "Keep unused subscribers\n")
+{
+	struct gsm_network *gsmnet = gsmnet_from_vty(vty);
+	gsmnet->keep_subscr = atoi(argv[0]);
+	return CMD_SUCCESS;
+}
+
 /* per-BTS configuration */
 DEFUN(cfg_bts,
       cfg_bts_cmd,
@@ -2552,6 +2565,7 @@
 	install_element(GSMNET_NODE, &cfg_net_T3122_cmd);
 	install_element(GSMNET_NODE, &cfg_net_T3141_cmd);
 	install_element(GSMNET_NODE, &cfg_net_dtx_cmd);
+	install_element(GSMNET_NODE, &cfg_net_subscr_keep_cmd);
 	install_element(GSMNET_NODE, &cfg_net_pag_any_tch_cmd);
 
 	install_element(GSMNET_NODE, &cfg_bts_cmd);