diff --git a/src/utils/common.c b/src/utils/common.c
index 39751d4..54ab60f 100644
--- a/src/utils/common.c
+++ b/src/utils/common.c
@@ -754,6 +754,9 @@ void int_array_concat(int **res, const int *a)
 	reslen = int_array_len(*res);
 	alen = int_array_len(a);
 
+	if (alen == 0)
+		return; /* nothing to concat */
+
 	n = os_realloc_array(*res, reslen + alen + 1, sizeof(int));
 	if (n == NULL) {
 		os_free(*res);
diff --git a/wpa_supplicant/config.c b/wpa_supplicant/config.c
index 1df9213..dfc9bae 100644
--- a/wpa_supplicant/config.c
+++ b/wpa_supplicant/config.c
@@ -1730,6 +1730,7 @@ static const struct parse_data ssid_fields[] = {
 	{ INT(ap_max_inactivity) },
 	{ INT(dtim_period) },
 	{ INT(beacon_int) },
+	{ INT_RANGE(interworking_defaults, 0, 1) },
 };
 
 #undef OFFSET
@@ -2138,6 +2139,77 @@ int wpa_config_remove_network(struct wpa_config *config, int id)
 
 
 /**
+ * wpa_set_user_network_defalts - Configure ssid with network defaults.
+ * @config: Configuration data from wpa_config_read()
+ * @ssid: The SSID to configure.
+ * Looks for first wpa_ssid that has interworking_defaults=1.  If found,
+ * select values are applied to the ssid.  In this way one may configure
+ * options not explicitly dealt with by interworking, such as
+ *   disable_ht=0
+ *   disable_ht40=0
+ *   etc.
+ * If no ssid is found, no action is taken.
+ */
+void wpa_config_set_user_network_defaults(struct wpa_config *config, struct wpa_ssid *ssid)
+{
+	struct wpa_ssid *s = config->ssid;
+	int i;
+
+	while (s) {
+		if (s->interworking_defaults) {
+			os_free(ssid->scan_freq);
+			ssid->scan_freq = NULL;
+			int_array_concat(&ssid->scan_freq, s->scan_freq);
+
+			os_free(ssid->freq_list);
+			ssid->freq_list = NULL;
+			int_array_concat(&ssid->freq_list, s->freq_list);
+
+			ssid->bg_scan_period = s->bg_scan_period;
+#ifdef CONFIG_HT_OVERRIDES
+			ssid->disable_ht = s->disable_ht;
+			ssid->disable_ht40 = s->disable_ht40;
+			ssid->disable_sgi = s->disable_sgi;
+			ssid->disable_max_amsdu = s->disable_max_amsdu;
+			ssid->ampdu_factor = s->ampdu_factor;
+			ssid->ampdu_density = s->ampdu_density;
+
+			os_free(ssid->ht_mcs);
+			ssid->ht_mcs = NULL;
+			if (s->ht_mcs) {
+				ssid->ht_mcs = strdup(s->ht_mcs);
+			}
+#endif
+#ifdef CONFIG_VHT_OVERRIDES
+			ssid->disable_vht = s->disable_vht;
+			ssid->vht_capa = s->vht_capa;
+			ssid->vht_capa_mask = s->vht_capa_mask;
+			ssid->vht_rx_mcs_nss_1 = s->vht_rx_mcs_nss_1;
+			ssid->vht_rx_mcs_nss_2 = s->vht_rx_mcs_nss_2;
+			ssid->vht_rx_mcs_nss_3 = s->vht_rx_mcs_nss_3;
+			ssid->vht_rx_mcs_nss_4 = s->vht_rx_mcs_nss_4;
+			ssid->vht_rx_mcs_nss_5 = s->vht_rx_mcs_nss_5;
+			ssid->vht_rx_mcs_nss_6 = s->vht_rx_mcs_nss_6;
+			ssid->vht_rx_mcs_nss_7 = s->vht_rx_mcs_nss_7;
+			ssid->vht_rx_mcs_nss_8 = s->vht_rx_mcs_nss_8;
+			ssid->vht_tx_mcs_nss_1 = s->vht_tx_mcs_nss_1;
+			ssid->vht_tx_mcs_nss_2 = s->vht_tx_mcs_nss_2;
+			ssid->vht_tx_mcs_nss_3 = s->vht_tx_mcs_nss_3;
+			ssid->vht_tx_mcs_nss_4 = s->vht_tx_mcs_nss_4;
+			ssid->vht_tx_mcs_nss_5 = s->vht_tx_mcs_nss_5;
+			ssid->vht_tx_mcs_nss_6 = s->vht_tx_mcs_nss_6;
+			ssid->vht_tx_mcs_nss_7 = s->vht_tx_mcs_nss_7;
+			ssid->vht_tx_mcs_nss_8 = s->vht_tx_mcs_nss_8;
+#endif /* CONFIG_VHT_OVERRIDES */
+			return;
+		}
+		else {
+			ssid = ssid->next;
+		}
+	}
+} /* wpa_set_user_network_defaults */
+
+/**
  * wpa_config_set_network_defaults - Set network default values
  * @ssid: Pointer to network configuration data
  */
@@ -2183,6 +2255,7 @@ void wpa_config_set_network_defaults(struct wpa_ssid *ssid)
 #ifdef CONFIG_IEEE80211W
 	ssid->ieee80211w = MGMT_FRAME_PROTECTION_DEFAULT;
 #endif /* CONFIG_IEEE80211W */
+	ssid->interworking_defaults = DEFAULT_INTERWORKING_DEFAULTS;
 }
 
 
diff --git a/wpa_supplicant/config.h b/wpa_supplicant/config.h
index 690bfde..ffb8a5f 100644
--- a/wpa_supplicant/config.h
+++ b/wpa_supplicant/config.h
@@ -1039,6 +1039,7 @@ struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id);
 struct wpa_ssid * wpa_config_add_network(struct wpa_config *config);
 int wpa_config_remove_network(struct wpa_config *config, int id);
 void wpa_config_set_network_defaults(struct wpa_ssid *ssid);
+void wpa_config_set_user_network_defaults(struct wpa_config *config, struct wpa_ssid *ssid);
 int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value,
 		   int line);
 int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var,
diff --git a/wpa_supplicant/config_ssid.h b/wpa_supplicant/config_ssid.h
index d515030..4aaf0f1 100644
--- a/wpa_supplicant/config_ssid.h
+++ b/wpa_supplicant/config_ssid.h
@@ -33,6 +33,7 @@
 #define DEFAULT_DISABLE_MAX_AMSDU -1 /* no change */
 #define DEFAULT_AMPDU_FACTOR -1 /* no change */
 #define DEFAULT_AMPDU_DENSITY -1 /* no change */
+#define DEFAULT_INTERWORKING_DEFAULTS 0
 
 struct psk_list_entry {
 	struct dl_list list;
@@ -492,6 +493,12 @@ struct wpa_ssid {
 	int temporary;
 
 	/**
+	 * interworking_defaults - Whether this network block should be used for
+	 *    network defaults when creating temporary interworking network blocks.
+	 */
+	int interworking_defaults;
+
+	/**
 	 * export_keys - Whether keys may be exported
 	 *
 	 * This attribute will be set when keys are determined through
diff --git a/wpa_supplicant/interworking.c b/wpa_supplicant/interworking.c
index def8f1a..025dcf5 100644
--- a/wpa_supplicant/interworking.c
+++ b/wpa_supplicant/interworking.c
@@ -916,6 +916,7 @@ static int interworking_connect_3gpp(struct wpa_supplicant *wpa_s,
 
 	wpas_notify_network_added(wpa_s, ssid);
 	wpa_config_set_network_defaults(ssid);
+	wpa_config_set_user_network_defaults(wpa_s->conf, ssid);
 	ssid->priority = cred->priority;
 	ssid->temporary = 1;
 	ssid->ssid = os_zalloc(bss->ssid_len + 1);
@@ -1451,6 +1452,7 @@ static int interworking_connect_roaming_consortium(
 	ssid->parent_cred = cred;
 	wpas_notify_network_added(wpa_s, ssid);
 	wpa_config_set_network_defaults(ssid);
+	wpa_config_set_user_network_defaults(wpa_s->conf, ssid);
 	ssid->priority = cred->priority;
 	ssid->temporary = 1;
 	ssid->ssid = os_zalloc(bss->ssid_len + 1);
@@ -1649,6 +1651,7 @@ static int interworking_connect_helper(struct wpa_supplicant *wpa_s,
 	ssid->parent_cred = cred;
 	wpas_notify_network_added(wpa_s, ssid);
 	wpa_config_set_network_defaults(ssid);
+	wpa_config_set_user_network_defaults(wpa_s->conf, ssid);
 	ssid->priority = cred->priority;
 	ssid->temporary = 1;
 	ssid->ssid = os_zalloc(bss->ssid_len + 1);
diff --git a/wpa_supplicant/scan.h b/wpa_supplicant/scan.h
index 59a1cff..052ef21 100644
--- a/wpa_supplicant/scan.h
+++ b/wpa_supplicant/scan.h
@@ -48,4 +48,6 @@ struct wpa_driver_scan_params *
 wpa_scan_clone_params(const struct wpa_driver_scan_params *src);
 void wpa_scan_free_params(struct wpa_driver_scan_params *params);
 
+void int_array_concat(int **res, const int *a);
+
 #endif /* SCAN_H */
diff --git a/wpa_supplicant/wpa_supplicant.conf b/wpa_supplicant/wpa_supplicant.conf
index 03c6f5f..6cea0ac 100644
--- a/wpa_supplicant/wpa_supplicant.conf
+++ b/wpa_supplicant/wpa_supplicant.conf
@@ -935,6 +935,16 @@ fast_reauth=1
 # Beacon interval (default: 100 TU)
 #beacon_int=100
 
+# interworking_defaults:  Should this network block's values be used as
+#   defaults for automatically-created interworking network blocks?
+#   Not all values will be propagated, but the HT and VHT overrides,
+#   and a few other values will be.  This will only be used if
+#   Interworking is active.  Only the first interworking_defaults=1
+#   network block will be used, so users should only set this value
+#   in a single network block.
+# 0 = Not used (default)
+# 1 = Use this network block's values.
+
 # disable_ht: Whether HT (802.11n) should be disabled.
 # 0 = HT enabled (if AP supports it)
 # 1 = HT disabled
