diff --git a/openbsc/src/vty_interface.c b/openbsc/src/vty_interface.c
new file mode 100644
index 0000000..44531dd
--- /dev/null
+++ b/openbsc/src/vty_interface.c
@@ -0,0 +1,905 @@
+/* OpenBSC interface to quagga VTY */
+/* (C) 2009 by Harald Welte <laforge@gnumonks.org>
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+#include <vty/command.h>
+#include <vty/vty.h>
+
+#include <arpa/inet.h>
+
+#include <openbsc/linuxlist.h>
+#include <openbsc/gsm_data.h>
+#include <openbsc/gsm_subscriber.h>
+#include <openbsc/e1_input.h>
+#include <openbsc/abis_nm.h>
+#include <openbsc/db.h>
+
+static struct gsm_network *gsmnet;
+
+struct cmd_node bts_node = {
+	BTS_NODE,
+	"%s(bts)#",
+	1,
+};
+
+struct cmd_node trx_node = {
+	TRX_NODE,
+	"%s(trx)#",
+	1,
+};
+
+struct cmd_node ts_node = {
+	TS_NODE,
+	"%s(ts)#",
+	1,
+};
+
+struct cmd_node subscr_node = {
+	SUBSCR_NODE,
+	"%s(subscriber)#",
+	1,
+};
+
+static int dummy_config_write(struct vty *v)
+{
+	return CMD_SUCCESS;
+}
+
+static void net_dump_nmstate(struct vty *vty, struct gsm_nm_state *nms)
+{
+	vty_out(vty,"Oper '%s', Admin %u, Avail '%s'%s",
+		nm_opstate_name(nms->operational), nms->administrative,
+		nm_avail_name(nms->availability), VTY_NEWLINE);
+}
+
+static void net_dump_vty(struct vty *vty, struct gsm_network *net)
+{
+	vty_out(vty, "BSC is on Country Code %u, Network Code %u "
+		"and has %u BTS%s", net->country_code, net->network_code,
+		net->num_bts, VTY_NEWLINE);
+	vty_out(vty, "  Long network name: '%s'%s",
+		net->name_long, VTY_NEWLINE);
+	vty_out(vty, "  Short network name: '%s'%s",
+		net->name_short, VTY_NEWLINE);
+}
+
+DEFUN(show_net, show_net_cmd, "show network",
+	SHOW_STR "Display information about a GSM NETWORK\n")
+{
+	struct gsm_network *net = gsmnet;
+	net_dump_vty(vty, net);
+
+	return CMD_SUCCESS;
+}
+
+static void e1isl_dump_vty(struct vty *vty, struct e1inp_sign_link *e1l)
+{
+	struct e1inp_line *line;
+
+	if (!e1l) {
+		vty_out(vty, "   None%s", VTY_NEWLINE);
+		return;
+	}
+
+	line = e1l->ts->line;
+
+	vty_out(vty, "    E1 Line %u, Type %s: Timeslot %u, Mode %s%s",
+		line->num, line->driver->name, e1l->ts->num,
+		e1inp_signtype_name(e1l->type), VTY_NEWLINE);
+	vty_out(vty, "    E1 TEI %u, SAPI %u%s",
+		e1l->tei, e1l->sapi, VTY_NEWLINE);
+}
+
+static void bts_dump_vty(struct vty *vty, struct gsm_bts *bts)
+{
+	vty_out(vty, "BTS %u is of %s type, has LAC %u, BSIC %u, TSC %u and %u TRX%s",
+		bts->nr, btstype2str(bts->type), bts->location_area_code,
+		bts->bsic, bts->tsc, bts->num_trx, VTY_NEWLINE);
+	if (is_ipaccess_bts(bts))
+		vty_out(vty, "  Unit ID: %u/%u/0%s",
+			bts->ip_access.site_id, bts->ip_access.bts_id,
+			VTY_NEWLINE);
+	vty_out(vty, "  NM State: ");
+	net_dump_nmstate(vty, &bts->nm_state);
+	vty_out(vty, "  Site Mgr NM State: ");
+	net_dump_nmstate(vty, &bts->site_mgr.nm_state);
+	vty_out(vty, "  Paging: FIXME pending requests, %u free slots%s",
+		bts->paging.available_slots, VTY_NEWLINE);
+	vty_out(vty, "  E1 Signalling Link:%s", VTY_NEWLINE);
+	e1isl_dump_vty(vty, bts->oml_link);
+	/* FIXME: oml_link, chan_desc */
+}
+
+DEFUN(show_bts, show_bts_cmd, "show bts [number]",
+	SHOW_STR "Display information about a BTS\n"
+		"BTS number")
+{
+	struct gsm_network *net = gsmnet;
+	int bts_nr;
+
+	if (argc != 0) {
+		/* use the BTS number that the user has specified */
+		bts_nr = atoi(argv[0]);
+		if (bts_nr > net->num_bts) {
+			vty_out(vty, "%% can't find BTS '%s'%s", argv[0],
+				VTY_NEWLINE);
+			return CMD_WARNING;
+		}
+		bts_dump_vty(vty, &net->bts[bts_nr]);
+		return CMD_SUCCESS;
+	}
+	/* print all BTS's */
+	for (bts_nr = 0; bts_nr < net->num_bts; bts_nr++)
+		bts_dump_vty(vty, &net->bts[bts_nr]);
+
+	return CMD_SUCCESS;
+}
+
+static void trx_dump_vty(struct vty *vty, struct gsm_bts_trx *trx)
+{
+	vty_out(vty, "TRX %u of BTS %u is on ARFCN %u%s",
+		trx->nr, trx->bts->nr, trx->arfcn, VTY_NEWLINE);
+	vty_out(vty, "  NM State: ");
+	net_dump_nmstate(vty, &trx->nm_state);
+	vty_out(vty, "  Baseband Transceiver NM State: ");
+	net_dump_nmstate(vty, &trx->bb_transc.nm_state);
+	vty_out(vty, "  E1 Signalling Link:%s", VTY_NEWLINE);
+	e1isl_dump_vty(vty, trx->rsl_link);
+}
+
+DEFUN(show_trx,
+      show_trx_cmd,
+      "show trx [bts_nr] [trx_nr]",
+	SHOW_STR "Display information about a TRX\n")
+{
+	struct gsm_network *net = gsmnet;
+	struct gsm_bts *bts = NULL;
+	struct gsm_bts_trx *trx;
+	int bts_nr, trx_nr;
+
+	if (argc >= 1) {
+		/* use the BTS number that the user has specified */
+		bts_nr = atoi(argv[0]);
+		if (bts_nr >= net->num_bts) {
+			vty_out(vty, "%% can't find BTS '%s'%s", argv[0],
+				VTY_NEWLINE);
+			return CMD_WARNING;
+		}
+		bts = &net->bts[bts_nr];
+	}
+	if (argc >= 2) {
+		trx_nr = atoi(argv[1]);
+		if (trx_nr >= bts->num_trx) {
+			vty_out(vty, "%% can't find TRX '%s'%s", argv[1],
+				VTY_NEWLINE);
+			return CMD_WARNING;
+		}
+		trx = &bts->trx[trx_nr];
+		trx_dump_vty(vty, trx);
+		return CMD_SUCCESS;
+	}
+	if (bts) {
+		/* print all TRX in this BTS */
+		for (trx_nr = 0; trx_nr < bts->num_trx; trx_nr++) {
+			trx = &bts->trx[trx_nr];
+			trx_dump_vty(vty, trx);
+		}
+		return CMD_SUCCESS;
+	}
+
+	for (bts_nr = 0; bts_nr < net->num_bts; bts_nr++) {
+		bts = &net->bts[bts_nr];
+		for (trx_nr = 0; trx_nr < bts->num_trx; trx_nr++) {
+			trx = &bts->trx[trx_nr];
+			trx_dump_vty(vty, trx);
+		}
+	}
+
+	return CMD_SUCCESS;
+}
+
+static void ts_dump_vty(struct vty *vty, struct gsm_bts_trx_ts *ts)
+{
+	struct in_addr ia;
+
+	vty_out(vty, "Timeslot %u of TRX %u in BTS %u, phys cfg %s%s",
+		ts->nr, ts->trx->nr, ts->trx->bts->nr,
+		gsm_pchan_name(ts->pchan), VTY_NEWLINE);
+	vty_out(vty, "  NM State: ");
+	net_dump_nmstate(vty, &ts->nm_state);
+	if (is_ipaccess_bts(ts->trx->bts)) {
+		ia.s_addr = ts->abis_ip.bound_ip;
+		vty_out(vty, "  Bound IP: %s Port %u FC=%u F8=%u%s",
+			inet_ntoa(ia), ts->abis_ip.bound_port,
+			ts->abis_ip.attr_fc, ts->abis_ip.attr_f8,
+			VTY_NEWLINE);
+	} else {
+		vty_out(vty, "  E1 Line %u, Timeslot %u, Subslot %u%s",
+			ts->e1_link.e1_nr, ts->e1_link.e1_ts,
+			ts->e1_link.e1_ts_ss, VTY_NEWLINE);
+	}
+}
+
+DEFUN(show_ts,
+      show_ts_cmd,
+      "show timeslot [bts_nr] [trx_nr] [ts_nr]",
+	SHOW_STR "Display information about a TS\n")
+{
+	struct gsm_network *net = gsmnet;
+	struct gsm_bts *bts;
+	struct gsm_bts_trx *trx;
+	struct gsm_bts_trx_ts *ts;
+	int bts_nr, trx_nr, ts_nr;
+
+	if (argc >= 1) {
+		/* use the BTS number that the user has specified */
+		bts_nr = atoi(argv[0]);
+		if (bts_nr >= net->num_bts) {
+			vty_out(vty, "%% can't find BTS '%s'%s", argv[0],
+				VTY_NEWLINE);
+			return CMD_WARNING;
+		}
+		bts = &net->bts[bts_nr];
+	}
+	if (argc >= 2) {
+		trx_nr = atoi(argv[1]);
+		if (trx_nr >= bts->num_trx) {
+			vty_out(vty, "%% can't find TRX '%s'%s", argv[1],
+				VTY_NEWLINE);
+			return CMD_WARNING;
+		}
+		trx = &bts->trx[trx_nr];
+	}
+	if (argc >= 3) {
+		ts_nr = atoi(argv[2]);
+		if (ts_nr >= TRX_NR_TS) {
+			vty_out(vty, "%% can't find TS '%s'%s", argv[2],
+				VTY_NEWLINE);
+			return CMD_WARNING;
+		}
+		ts = &trx->ts[ts_nr];
+		ts_dump_vty(vty, ts);
+		return CMD_SUCCESS;
+	}
+	for (bts_nr = 0; bts_nr < net->num_bts; bts_nr++) {
+		bts = &net->bts[bts_nr];
+		for (trx_nr = 0; trx_nr < bts->num_trx; trx_nr++) {
+			trx = &bts->trx[trx_nr];
+			for (ts_nr = 0; ts_nr < TRX_NR_TS; ts_nr++) {
+				ts = &trx->ts[ts_nr];
+				ts_dump_vty(vty, ts);
+			}
+		}
+	}
+
+	return CMD_SUCCESS;
+}
+
+static void subscr_dump_vty(struct vty *vty, struct gsm_subscriber *subscr)
+{
+	vty_out(vty, "    ID: %lu, Authorized: %d%s", subscr->id,
+		subscr->authorized, VTY_NEWLINE);
+	if (subscr->name)
+		vty_out(vty, "    Name: '%s'%s", subscr->name, VTY_NEWLINE);
+	if (subscr->extension)
+		vty_out(vty, "    Extension: %s%s", subscr->extension,
+			VTY_NEWLINE);
+	if (subscr->imsi)
+		vty_out(vty, "    IMSI: %s%s", subscr->imsi, VTY_NEWLINE);
+	if (subscr->tmsi)
+		vty_out(vty, "    TMSI: %s%s", subscr->tmsi, VTY_NEWLINE);
+}
+
+static void lchan_dump_vty(struct vty *vty, struct gsm_lchan *lchan)
+{
+	vty_out(vty, "Lchan %u in Timeslot %u of TRX %u in BTS %u, Type %s%s",
+		lchan->nr, lchan->ts->nr, lchan->ts->trx->nr, 
+		lchan->ts->trx->bts->nr, gsm_lchan_name(lchan->type),
+		VTY_NEWLINE);
+	vty_out(vty, "  Use Count: %u%s", lchan->use_count, VTY_NEWLINE);
+	vty_out(vty, "  BS Power %u, MS Power %u%s", lchan->bs_power,
+		lchan->ms_power, VTY_NEWLINE);
+	if (lchan->subscr) {
+		vty_out(vty, "  Subscriber:%s", VTY_NEWLINE);
+		subscr_dump_vty(vty, lchan->subscr);
+	} else
+		vty_out(vty, "  No Subscriber%s", VTY_NEWLINE);
+}
+
+static void call_dump_vty(struct vty *vty, struct gsm_call *call)
+{
+	vty_out(vty, "Call Type %u, State %u, Transaction ID %u%s",
+		call->type, call->state, call->transaction_id, VTY_NEWLINE);
+
+	if (call->local_lchan) {
+		vty_out(vty, "Call Local Channel:%s", VTY_NEWLINE);
+		lchan_dump_vty(vty, call->local_lchan);
+	} else
+		vty_out(vty, "Call has no Local Channel%s", VTY_NEWLINE);
+
+	if (call->remote_lchan) {
+		vty_out(vty, "Call Remote Channel:%s", VTY_NEWLINE);
+		lchan_dump_vty(vty, call->remote_lchan);
+	} else
+		vty_out(vty, "Call has no Remote Channel%s", VTY_NEWLINE);
+
+	if (call->called_subscr) {
+		vty_out(vty, "Called Subscriber:%s", VTY_NEWLINE);
+		subscr_dump_vty(vty, call->called_subscr);
+	} else
+		vty_out(vty, "Call has no Called Subscriber%s", VTY_NEWLINE);
+}
+
+DEFUN(show_lchan,
+      show_lchan_cmd,
+      "show lchan [bts_nr] [trx_nr] [ts_nr] [lchan_nr]",
+	SHOW_STR "Display information about a logical channel\n")
+{
+	struct gsm_network *net = gsmnet;
+	struct gsm_bts *bts;
+	struct gsm_bts_trx *trx;
+	struct gsm_bts_trx_ts *ts;
+	struct gsm_lchan *lchan;
+	int bts_nr, trx_nr, ts_nr, lchan_nr;
+
+	if (argc >= 1) {
+		/* use the BTS number that the user has specified */
+		bts_nr = atoi(argv[0]);
+		if (bts_nr >= net->num_bts) {
+			vty_out(vty, "%% can't find BTS %s%s", argv[0],
+				VTY_NEWLINE);
+			return CMD_WARNING;
+		}
+		bts = &net->bts[bts_nr];
+	}
+	if (argc >= 2) {
+		trx_nr = atoi(argv[1]);
+		if (trx_nr >= bts->num_trx) {
+			vty_out(vty, "%% can't find TRX %s%s", argv[1],
+				VTY_NEWLINE);
+			return CMD_WARNING;
+		}
+		trx = &bts->trx[trx_nr];
+	}
+	if (argc >= 3) {
+		ts_nr = atoi(argv[2]);
+		if (ts_nr >= TRX_NR_TS) {
+			vty_out(vty, "%% can't find TS %s%s", argv[2],
+				VTY_NEWLINE);
+			return CMD_WARNING;
+		}
+		ts = &trx->ts[ts_nr];
+	}
+	if (argc >= 4) {
+		lchan_nr = atoi(argv[3]);
+		if (lchan_nr >= TS_MAX_LCHAN) {
+			vty_out(vty, "%% can't find LCHAN %s%s", argv[3],
+				VTY_NEWLINE);
+			return CMD_WARNING;
+		}
+		lchan = &ts->lchan[lchan_nr];
+		lchan_dump_vty(vty, lchan);
+		return CMD_SUCCESS;
+	}
+	for (bts_nr = 0; bts_nr < net->num_bts; bts_nr++) {
+		bts = &net->bts[bts_nr];
+		for (trx_nr = 0; trx_nr < bts->num_trx; trx_nr++) {
+			trx = &bts->trx[trx_nr];
+			for (ts_nr = 0; ts_nr < TRX_NR_TS; ts_nr++) {
+				ts = &trx->ts[ts_nr];
+				for (lchan_nr = 0; lchan_nr < TS_MAX_LCHAN;
+				     lchan_nr++) {
+					lchan = &ts->lchan[lchan_nr];
+					if (lchan->type == GSM_LCHAN_NONE)
+						continue;
+					lchan_dump_vty(vty, lchan);
+				}
+			}
+		}
+	}
+
+	return CMD_SUCCESS;
+}
+
+static void e1drv_dump_vty(struct vty *vty, struct e1inp_driver *drv)
+{
+	vty_out(vty, "E1 Input Driver %s%s", drv->name, VTY_NEWLINE);
+}
+
+DEFUN(show_e1drv,
+      show_e1drv_cmd,
+      "show e1_driver",
+	SHOW_STR "Display information about available E1 drivers\n")
+{
+	struct e1inp_driver *drv;
+
+	llist_for_each_entry(drv, &e1inp_driver_list, list)
+		e1drv_dump_vty(vty, drv);
+
+	return CMD_SUCCESS;
+}
+
+static void e1line_dump_vty(struct vty *vty, struct e1inp_line *line)
+{
+	vty_out(vty, "E1 Line Number %u, Name %s, Driver %s%s",
+		line->num, line->name ? line->name : "",
+		line->driver->name, VTY_NEWLINE);
+}
+
+DEFUN(show_e1line,
+      show_e1line_cmd,
+      "show e1_line [line_nr]",
+	SHOW_STR "Display information about a E1 line\n")
+{
+	struct e1inp_line *line;
+
+	if (argc >= 1) {
+		int num = atoi(argv[0]);
+		llist_for_each_entry(line, &e1inp_line_list, list) {
+			if (line->num == num) {
+				e1line_dump_vty(vty, line);
+				return CMD_SUCCESS;
+			}
+		}
+		return CMD_WARNING;
+	}	
+	
+	llist_for_each_entry(line, &e1inp_line_list, list)
+		e1line_dump_vty(vty, line);
+
+	return CMD_SUCCESS;
+}
+
+static void e1ts_dump_vty(struct vty *vty, struct e1inp_ts *ts)
+{
+	vty_out(vty, "E1 Timeslot %2u of Line %u is Type %s%s",
+		ts->num, ts->line->num, e1inp_tstype_name(ts->type),
+		VTY_NEWLINE);
+}
+
+DEFUN(show_e1ts,
+      show_e1ts_cmd,
+      "show e1_timeslot [line_nr] [ts_nr]",
+	SHOW_STR "Display information about a E1 timeslot\n")
+{
+	struct e1inp_line *line;
+	struct e1inp_ts *ts;
+	int ts_nr;
+
+	if (argc == 0) {
+		llist_for_each_entry(line, &e1inp_line_list, list) {
+			for (ts_nr = 0; ts_nr < NUM_E1_TS; ts_nr++) {
+				ts = &line->ts[ts_nr];
+				e1ts_dump_vty(vty, ts);
+			}
+		}
+		return CMD_SUCCESS;
+	}
+	if (argc >= 1) {
+		int num = atoi(argv[0]);
+		llist_for_each_entry(line, &e1inp_line_list, list) {
+			if (line->num == num)
+				break;
+		}
+		if (!line || line->num != num) {
+			vty_out(vty, "E1 line %s is invalid%s",
+				argv[0], VTY_NEWLINE);
+			return CMD_WARNING;
+		}
+	}	
+	if (argc >= 2) {
+		ts_nr = atoi(argv[1]);
+		if (ts_nr > NUM_E1_TS) {
+			vty_out(vty, "E1 timeslot %s is invalid%s",
+				argv[1], VTY_NEWLINE);
+			return CMD_WARNING;
+		}
+		ts = &line->ts[ts_nr];
+		e1ts_dump_vty(vty, ts);
+		return CMD_SUCCESS;
+	} else {
+		for (ts_nr = 0; ts_nr < NUM_E1_TS; ts_nr++) {
+			ts = &line->ts[ts_nr];
+			e1ts_dump_vty(vty, ts);
+		}
+		return CMD_SUCCESS;
+	}
+	return CMD_SUCCESS;
+}
+
+static void paging_dump_vty(struct vty *vty, struct gsm_paging_request *pag)
+{
+	vty_out(vty, "Paging on BTS %u%s", pag->bts->nr, VTY_NEWLINE);
+	subscr_dump_vty(vty, pag->subscr);
+}
+
+static void bts_paging_dump_vty(struct vty *vty, struct gsm_bts *bts)
+{
+	struct gsm_paging_request *pag;
+
+	llist_for_each_entry(pag, &bts->paging.pending_requests, entry)
+		paging_dump_vty(vty, pag);
+}
+
+DEFUN(show_paging,
+      show_paging_cmd,
+      "show paging [bts_nr]",
+	SHOW_STR "Display information about paging reuqests of a BTS\n")
+{
+	struct gsm_network *net = gsmnet;
+	struct gsm_bts *bts;
+	int bts_nr;
+
+	if (argc >= 1) {
+		/* use the BTS number that the user has specified */
+		bts_nr = atoi(argv[0]);
+		if (bts_nr >= net->num_bts) {
+			vty_out(vty, "%% can't find BTS %s%s", argv[0],
+				VTY_NEWLINE);
+			return CMD_WARNING;
+		}
+		bts = &net->bts[bts_nr];
+		bts_paging_dump_vty(vty, bts);
+		
+		return CMD_SUCCESS;
+	}
+	for (bts_nr = 0; bts_nr < net->num_bts; bts_nr++) {
+		bts = &net->bts[bts_nr];
+		bts_paging_dump_vty(vty, bts);
+	}
+
+	return CMD_SUCCESS;
+}
+
+/* per-subscriber configuration */
+DEFUN(cfg_subscr,
+      cfg_subscr_cmd,
+      "subscriber IMSI",
+      "Select a Subscriber to configure\n")
+{
+	const char *imsi = argv[0];
+	struct gsm_subscriber *subscr;
+
+	subscr = subscr_get_by_imsi(imsi);
+	if (!subscr) {
+		vty_out(vty, "%% No subscriber for IMSI %s%s",
+			imsi, VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	vty->index = subscr;
+	vty->node = SUBSCR_NODE;
+
+	return CMD_SUCCESS;
+}
+
+
+/* per-BTS configuration */
+DEFUN(cfg_bts,
+      cfg_bts_cmd,
+      "bts BTS_NR",
+      "Select a BTS to configure\n")
+{
+	int bts_nr = atoi(argv[0]);
+	struct gsm_bts *bts;
+
+	if (bts_nr >= GSM_MAX_BTS) {
+		vty_out(vty, "%% This Version of OpenBSC only supports %u BTS%s",
+			GSM_MAX_BTS, VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+	bts = &gsmnet->bts[bts_nr];
+	if (bts_nr >= gsmnet->num_bts)
+		gsmnet->num_bts = bts_nr + 1;
+
+	vty->index = bts;
+	vty->node = BTS_NODE;
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_bts_type,
+      cfg_bts_type_cmd,
+      "type TYPE",
+      "Set the BTS type\n")
+{
+	struct gsm_bts *bts = vty->index;
+
+	//bts->type =
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_bts_lac,
+      cfg_bts_lac_cmd,
+      "location_area_code <0-255>",
+      "Set the Location Area Code (LAC) of this BTS\n")
+{
+	struct gsm_bts *bts = vty->index;
+	int lac = atoi(argv[0]);
+
+	if (lac < 0 || lac > 0xff) {
+		vty_out(vty, "%% LAC %d is not in the valid range (0-255)%s",
+			lac, VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+	bts->location_area_code = lac;
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_bts_tsc,
+      cfg_bts_tsc_cmd,
+      "training_sequence_code <0-255>",
+      "Set the Training Sequence Code (TSC) of this BTS\n")
+{
+	struct gsm_bts *bts = vty->index;
+	int tsc = atoi(argv[0]);
+
+	if (tsc < 0 || tsc > 0xff) {
+		vty_out(vty, "%% TSC %d is not in the valid range (0-255)%s",
+			tsc, VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+	bts->tsc = tsc;
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_bts_bsic,
+      cfg_bts_bsic_cmd,
+      "base_station_id_code <0-63>",
+      "Set the Base Station Identity Code (BSIC) of this BTS\n")
+{
+	struct gsm_bts *bts = vty->index;
+	int bsic = atoi(argv[0]);
+
+	if (bsic < 0 || bsic > 0x3f) {
+		vty_out(vty, "%% TSC %d is not in the valid range (0-255)%s",
+			bsic, VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+	bts->bsic = bsic;
+
+	return CMD_SUCCESS;
+}
+
+
+DEFUN(cfg_bts_unit_id,
+      cfg_bts_unit_id_cmd,
+      "unit_id <0-65534> <0-255>",
+      "Set the BTS Unit ID of this BTS\n")
+{
+	struct gsm_bts *bts = vty->index;
+	int site_id = atoi(argv[0]);
+	int bts_id = atoi(argv[1]);
+
+	if (site_id < 0 || site_id > 65534) {
+		vty_out(vty, "%% Site ID %d is not in the valid range%s",
+			site_id, VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+	if (site_id < 0 || site_id > 255) {
+		vty_out(vty, "%% BTS ID %d is not in the valid range%s",
+			bts_id, VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+	bts->ip_access.site_id = site_id;
+	bts->ip_access.bts_id = bts_id;
+
+	return CMD_SUCCESS;
+}
+
+/* per TRX configuration */
+DEFUN(cfg_trx,
+      cfg_trx_cmd,
+      "trx TRX_NR",
+      "Select a TRX to configure")
+{
+	int trx_nr = atoi(argv[0]);
+	struct gsm_bts *bts = vty->index;
+	struct gsm_bts_trx *trx;
+
+	if (trx_nr > BTS_MAX_TRX) {
+		vty_out(vty, "%% This version of OpenBSC only supports %u TRX%s",
+			BTS_MAX_TRX+1, VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	if (trx_nr >= bts->num_trx)
+		bts->num_trx = trx_nr+1;
+
+	trx = &bts->trx[trx_nr];
+
+	vty->index = trx;
+	vty->node = TRX_NODE;
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_trx_arfcn,
+      cfg_trx_arfcn_cmd,
+      "arfcn <1-1024>",
+      "Set the ARFCN for this TRX\n")
+{
+	int arfcn = atoi(argv[0]);
+	struct gsm_bts_trx *trx = vty->index;
+
+	/* FIXME: check if this ARFCN is supported by this TRX */
+
+	trx->arfcn = arfcn;
+
+	/* FIXME: patch ARFCN into SYSTEM INFORMATION */
+	/* FIXME: use OML layer to update the ARFCN */
+	/* FIXME: use RSL layer to update SYSTEM INFORMATION */
+
+	return CMD_SUCCESS;
+}
+
+/* per TS configuration */
+DEFUN(cfg_ts,
+      cfg_ts_cmd,
+      "timeslot TS_NR",
+      "Select a Timeslot to configure")
+{
+	int ts_nr = atoi(argv[0]);
+	struct gsm_bts_trx *trx = vty->index;
+	struct gsm_bts_trx_ts *ts;
+
+	if (ts_nr >= TRX_NR_TS) {
+		vty_out(vty, "%% A GSM TRX only has %u Timeslots per TRX%s",
+			TRX_NR_TS, VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	ts = &trx->ts[ts_nr];
+
+	vty->index = ts;
+	vty->node = TS_NODE;
+
+	return CMD_SUCCESS;
+}
+
+
+/* Subscriber */
+DEFUN(show_subscr,
+      show_subscr_cmd,
+      "show subscriber [IMSI]",
+	SHOW_STR "Display information about a subscriber\n")
+{
+	const char *imsi;
+	struct gsm_subscriber *subscr;
+
+	if (argc >= 1) {
+		imsi = argv[0];
+		subscr = subscr_get_by_imsi(imsi);
+		if (!subscr) {
+			vty_out(vty, "%% unknown subscriber%s",
+				VTY_NEWLINE);
+			return CMD_WARNING;
+		}
+		subscr_dump_vty(vty, subscr);
+		
+		return CMD_SUCCESS;
+	}
+
+	/* FIXME: iterate over all subscribers ? */
+	return CMD_WARNING;
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_subscr_name,
+      cfg_subscr_name_cmd,
+      "name NAME",
+      "Set the name of the subscriber")
+{
+	const char *name = argv[0];
+	struct gsm_subscriber *subscr = vty->index;
+
+	strncpy(subscr->name, name, sizeof(subscr->name));
+
+	db_sync_subscriber(subscr);
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_subscr_extension,
+      cfg_subscr_extension_cmd,
+      "extension EXTENSION",
+      "Set the extension of the subscriber")
+{
+	const char *name = argv[0];
+	struct gsm_subscriber *subscr = vty->index;
+
+	strncpy(subscr->extension, name, sizeof(subscr->extension));
+
+	db_sync_subscriber(subscr);
+
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_subscr_authorized,
+      cfg_subscr_authorized_cmd,
+      "auth <0-1>",
+      "Set the authorization status of the subscriber")
+{
+	int auth = atoi(argv[0]);
+	struct gsm_subscriber *subscr = vty->index;
+
+	if (auth)
+		subscr->authorized = 1;
+	else
+		subscr->authorized = 0;
+
+	db_sync_subscriber(subscr);
+
+	return CMD_SUCCESS;
+}
+
+int bsc_vty_init(struct gsm_network *net)
+{
+	gsmnet = net;
+
+	cmd_init(1);
+	vty_init();
+
+	install_element(VIEW_NODE, &show_net_cmd);
+	install_element(VIEW_NODE, &show_bts_cmd);
+	install_element(VIEW_NODE, &show_trx_cmd);
+	install_element(VIEW_NODE, &show_ts_cmd);
+	install_element(VIEW_NODE, &show_lchan_cmd);
+
+	install_element(VIEW_NODE, &show_e1drv_cmd);
+	install_element(VIEW_NODE, &show_e1line_cmd);
+	install_element(VIEW_NODE, &show_e1ts_cmd);
+
+	install_element(VIEW_NODE, &show_paging_cmd);
+
+	install_element(VIEW_NODE, &show_subscr_cmd);
+
+	install_element(CONFIG_NODE, &cfg_bts_cmd);
+	install_node(&bts_node, dummy_config_write);
+	install_default(BTS_NODE);
+	install_element(BTS_NODE, &cfg_bts_type_cmd);
+	install_element(BTS_NODE, &cfg_bts_lac_cmd);
+	install_element(BTS_NODE, &cfg_bts_tsc_cmd);
+	install_element(BTS_NODE, &cfg_bts_unit_id_cmd);
+
+	install_element(BTS_NODE, &cfg_trx_cmd);
+	install_node(&trx_node, dummy_config_write);
+	install_default(TRX_NODE);
+	install_element(TRX_NODE, &cfg_trx_arfcn_cmd);
+
+	install_element(TRX_NODE, &cfg_ts_cmd);
+	install_node(&ts_node, dummy_config_write);
+	install_default(TS_NODE);
+
+	install_element(CONFIG_NODE, &cfg_subscr_cmd);
+	install_node(&subscr_node, dummy_config_write);
+	install_default(SUBSCR_NODE);
+	install_element(SUBSCR_NODE, &cfg_subscr_name_cmd);
+	install_element(SUBSCR_NODE, &cfg_subscr_extension_cmd);
+	install_element(SUBSCR_NODE, &cfg_subscr_authorized_cmd);
+
+	return 0;
+}