diff --git a/src/iu_client_vty.c b/src/iu_client_vty.c
new file mode 100644
index 0000000..b809b2a
--- /dev/null
+++ b/src/iu_client_vty.c
@@ -0,0 +1,140 @@
+/* OpenBSC Iu related interface to quagga VTY */
+/* (C) 2016 by sysmocom s.m.f.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <osmocom/core/logging.h>
+#include <osmocom/vty/command.h>
+#include <osmocom/vty/logging.h>
+#include <osmocom/sigtran/osmo_ss7.h>
+#include <osmocom/sigtran/sccp_sap.h>
+
+#include <osmocom/ranap/iu_client.h>
+
+static enum ranap_nsap_addr_enc *g_rab_assign_addr_enc = NULL;
+
+DEFUN(cfg_iu_asn1_debug,
+      cfg_iu_asn1_debug_cmd,
+      "asn1 debug (1|0)",
+      "ASN.1 settings\n"
+      "Enable ASN.1 debug messages\n"
+      "Log ASN.1 debug messages to stderr\n"
+      "Do not log ASN.1 debug messages to stderr\n")
+{
+	asn_debug = atoi(argv[0]);
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_iu_asn1_xer_print,
+      cfg_iu_asn1_xer_print_cmd,
+      "asn1 xer-print (1|0)",
+      "ASN.1 settings\n"
+      "Log human readable representations of all ASN.1 messages to stderr\n"
+      "Log XML representation of all ASN.1 messages to stderr\n"
+      "Do not log decoded ASN.1 messages to stderr\n")
+{
+	asn1_xer_print = atoi(argv[0]);
+	return CMD_SUCCESS;
+}
+
+#define IU_STR "Iu interface protocol options\n"
+DEFUN(cfg_iu_rab_assign_addr_enc, cfg_iu_rab_assign_addr_enc_cmd,
+      "iu rab-assign-addr-enc (x213|v4raw)",
+      IU_STR
+      "Choose RAB Assignment's Transport Layer Address encoding\n"
+      "ITU-T X.213 compliant address encoding (default)\n"
+      "32bit length raw IPv4 address (for ip.access nano3G)\n")
+{
+	if (!g_rab_assign_addr_enc) {
+		vty_out(vty, "%%RAB Assignment Transport Layer Address"
+			" encoding not available%s", VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	if (strcmp(argv[0], "v4raw") == 0)
+		*g_rab_assign_addr_enc = RANAP_NSAP_ADDR_ENC_V4RAW;
+	else
+		*g_rab_assign_addr_enc = RANAP_NSAP_ADDR_ENC_X213;
+	return CMD_SUCCESS;
+}
+
+extern struct osmo_sccp_addr local_sccp_addr;
+
+DEFUN(cfg_iu_local_addr_pc, cfg_iu_local_addr_pc_cmd,
+	"iu local-address point-code PC",
+	IU_STR "Local SCCP Address\n")
+{
+	local_sccp_addr.presence = OSMO_SCCP_ADDR_T_PC | OSMO_SCCP_ADDR_T_SSN;
+	local_sccp_addr.ri = OSMO_SCCP_RI_SSN_PC;
+	local_sccp_addr.pc = osmo_ss7_pointcode_parse(NULL, argv[0]);
+
+	return CMD_SUCCESS;
+}
+
+/* TODO: GT address configuration, in line with 4.5.1.1.1 of TS 25.410 */
+
+int ranap_iu_vty_config_write(struct vty *vty, const char *indent)
+{
+	if (!g_rab_assign_addr_enc) {
+		vty_out(vty, "%%RAB Assignment Transport Layer Address"
+			" encoding not available%s", VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	switch (*g_rab_assign_addr_enc) {
+	case RANAP_NSAP_ADDR_ENC_V4RAW:
+		vty_out(vty, "%siu rab-assign-addr-enc v4raw%s", indent,
+			VTY_NEWLINE);
+		break;
+	case RANAP_NSAP_ADDR_ENC_X213:
+		/* default value, no need to write anything */
+		break;
+	default:
+		LOGP(0, LOGL_ERROR, "Invalid value for"
+		     " iu.rab_assign_addr_enc: %d\n",
+		     *g_rab_assign_addr_enc);
+		return CMD_WARNING;
+	}
+
+	vty_out(vty, "%siu local-address point-code %s%s", indent,
+		osmo_ss7_pointcode_print(NULL, local_sccp_addr.pc), VTY_NEWLINE);
+
+	if (asn_debug)
+		vty_out(vty, "%sasn1 debug 1%s", indent, VTY_NEWLINE);
+
+	if (asn1_xer_print)
+		vty_out(vty, "%sasn1 xer-print 1%s", indent, VTY_NEWLINE);
+
+	return CMD_SUCCESS;
+}
+
+void ranap_iu_vty_init(int iu_parent_node, enum ranap_nsap_addr_enc *rab_assign_addr_enc)
+{
+	g_rab_assign_addr_enc = rab_assign_addr_enc;
+
+	install_element(iu_parent_node, &cfg_iu_rab_assign_addr_enc_cmd);
+	install_element(iu_parent_node, &cfg_iu_local_addr_pc_cmd);
+
+	/* Technically, these are global ASN.1 settings and not necessarily limited to the Iu interface.
+	 * Practically, only Iu users will use ASN.1 in Osmocom programs -- at least so far. So it is
+	 * easiest to have these commands under 'iu'. */
+	install_element(iu_parent_node, &cfg_iu_asn1_debug_cmd);
+	install_element(iu_parent_node, &cfg_iu_asn1_xer_print_cmd);
+}