diff --git a/cli/mmcli-modem.c b/cli/mmcli-modem.c
index 4d806ef5..45739625 100644
--- a/cli/mmcli-modem.c
+++ b/cli/mmcli-modem.c
@@ -316,8 +316,11 @@ print_modem_info (void)
     MMModemBand *bands = NULL;
     guint n_bands = 0;
     MMModemPortInfo *ports = NULL;
+    MMModemPortInfo *ignored_ports = NULL;
     guint n_ports = 0;
+    guint n_ignored_ports = 0;
     gchar *ports_string;
+    gchar *ignored_ports_string;
     MMUnlockRetries *unlock_retries;
     guint signal_quality = 0;
     gboolean signal_quality_recent = FALSE;
@@ -343,6 +346,8 @@ print_modem_info (void)
     g_free (bands);
     mm_modem_get_ports (ctx->modem, &ports, &n_ports);
     ports_string = mm_common_build_ports_string (ports, n_ports);
+    mm_modem_get_ignored_ports (ctx->modem, &ignored_ports, &n_ignored_ports);
+    ignored_ports_string = mm_common_build_ports_string (ignored_ports, n_ignored_ports);
     mm_modem_port_info_array_free (ports, n_ports);
     if (mm_modem_get_current_modes (ctx->modem, &allowed_modes, &preferred_mode)) {
         allowed_modes_string = mm_modem_mode_build_string_from_mask (allowed_modes);
@@ -376,6 +381,7 @@ print_modem_info (void)
     mmcli_output_string           (MMC_F_SYSTEM_PLUGIN,                   mm_modem_get_plugin (ctx->modem));
     mmcli_output_string           (MMC_F_SYSTEM_PRIMARY_PORT,             mm_modem_get_primary_port (ctx->modem));
     mmcli_output_string_list      (MMC_F_SYSTEM_PORTS,                    ports_string);
+    mmcli_output_string_list      (MMC_F_SYSTEM_IGNORED_PORTS,            ignored_ports_string);
 
     mmcli_output_string_array     (MMC_F_NUMBERS_OWN,                     (const gchar **) mm_modem_get_own_numbers (ctx->modem), FALSE);
 
@@ -540,6 +546,7 @@ print_modem_info (void)
     mmcli_output_dump ();
 
     g_free (ports_string);
+    g_free (ignored_ports_string);
     g_free (supported_ip_families_string);
     g_free (current_bands_string);
     g_free (supported_bands_string);
diff --git a/cli/mmcli-output.c b/cli/mmcli-output.c
index c5a10b84..8aaa3581 100644
--- a/cli/mmcli-output.c
+++ b/cli/mmcli-output.c
@@ -120,6 +120,7 @@ static FieldInfo field_infos[] = {
     [MMC_F_SYSTEM_PLUGIN]                            = { "modem.generic.plugin",                            "plugin",                   MMC_S_MODEM_SYSTEM,               },
     [MMC_F_SYSTEM_PRIMARY_PORT]                      = { "modem.generic.primary-port",                      "primary port",             MMC_S_MODEM_SYSTEM,               },
     [MMC_F_SYSTEM_PORTS]                             = { "modem.generic.ports",                             "ports",                    MMC_S_MODEM_SYSTEM,               },
+    [MMC_F_SYSTEM_IGNORED_PORTS]                     = { "modem.generic.ignored-ports",                     "ignored ports",            MMC_S_MODEM_SYSTEM,               },
     [MMC_F_NUMBERS_OWN]                              = { "modem.generic.own-numbers",                       "own",                      MMC_S_MODEM_NUMBERS,              },
     [MMC_F_STATUS_LOCK]                              = { "modem.generic.unlock-required",                   "lock",                     MMC_S_MODEM_STATUS,               },
     [MMC_F_STATUS_UNLOCK_RETRIES]                    = { "modem.generic.unlock-retries",                    "unlock retries",           MMC_S_MODEM_STATUS,               },
diff --git a/cli/mmcli-output.h b/cli/mmcli-output.h
index 700b6800..e7627653 100644
--- a/cli/mmcli-output.h
+++ b/cli/mmcli-output.h
@@ -114,6 +114,7 @@ typedef enum {
     MMC_F_SYSTEM_PLUGIN,
     MMC_F_SYSTEM_PRIMARY_PORT,
     MMC_F_SYSTEM_PORTS,
+    MMC_F_SYSTEM_IGNORED_PORTS,
     /* Numbers section */
     MMC_F_NUMBERS_OWN,
     /* Status section */
diff --git a/docs/reference/libmm-glib/libmm-glib-sections.txt b/docs/reference/libmm-glib/libmm-glib-sections.txt
index 877b3ef6..a013b37e 100644
--- a/docs/reference/libmm-glib/libmm-glib-sections.txt
+++ b/docs/reference/libmm-glib/libmm-glib-sections.txt
@@ -2822,6 +2822,8 @@ mm_gdbus_modem_get_primary_port
 mm_gdbus_modem_dup_primary_port
 mm_gdbus_modem_get_ports
 mm_gdbus_modem_dup_ports
+mm_gdbus_modem_get_ignored_ports
+mm_gdbus_modem_dup_ignored_ports
 mm_gdbus_modem_get_revision
 mm_gdbus_modem_dup_revision
 mm_gdbus_modem_get_carrier_configuration
@@ -2908,6 +2910,7 @@ mm_gdbus_modem_set_own_numbers
 mm_gdbus_modem_set_plugin
 mm_gdbus_modem_set_primary_port
 mm_gdbus_modem_set_ports
+mm_gdbus_modem_set_ignored_ports
 mm_gdbus_modem_set_revision
 mm_gdbus_modem_set_carrier_configuration
 mm_gdbus_modem_set_carrier_configuration_revision
diff --git a/introspection/org.freedesktop.ModemManager1.Modem.xml b/introspection/org.freedesktop.ModemManager1.Modem.xml
index 6631d85c..d189474c 100644
--- a/introspection/org.freedesktop.ModemManager1.Modem.xml
+++ b/introspection/org.freedesktop.ModemManager1.Modem.xml
@@ -973,15 +973,27 @@
     <!--
         Ports:
 
-        The list of ports in the modem, given as an array of string and unsigned
-        integer pairs. The string is the port name or path, and the integer is
-        the port type given as a
+        The list of used ports in the modem, given as an array of string and
+        unsigned integer pairs. The string is the port name or path, and the
+        integer is the port type given as a
         <link linkend="MMModemPortType">MMModemPortType</link> value.
 
         Since: 1.0
     -->
     <property name="Ports" type="a(su)" access="read" />
 
+    <!--
+        IgnoredPorts:
+
+        The list of ignored ports in the modem, given as an array of string and
+        unsigned integer pairs. The string is the port name or path, and the
+        integer is the port type given as a
+        <link linkend="MMModemPortType">MMModemPortType</link> value.
+
+        Since: 1.26
+    -->
+    <property name="IgnoredPorts" type="a(su)" access="read" />
+
     <!--
         EquipmentIdentifier:
 
diff --git a/libmm-glib/mm-modem.c b/libmm-glib/mm-modem.c
index bf684eda..28f4f768 100644
--- a/libmm-glib/mm-modem.c
+++ b/libmm-glib/mm-modem.c
@@ -47,6 +47,7 @@ struct _MMModemPrivate {
     GMutex mutex;
 
     PROPERTY_ARRAY_DECLARE (ports)
+    PROPERTY_ARRAY_DECLARE (ignored_ports)
     PROPERTY_ARRAY_DECLARE (supported_modes)
     PROPERTY_ARRAY_DECLARE (supported_capabilities)
     PROPERTY_ARRAY_DECLARE (supported_bands)
@@ -984,7 +985,7 @@ mm_modem_dup_primary_port (MMModem *self)
  *  mm_modem_port_info_array_free() when no longer needed.
  * @n_ports: (out): Return location for the number of values in @ports.
  *
- * Gets the list of ports in the modem.
+ * Gets the list of used ports in the modem.
  *
  * Returns: %TRUE if @ports and @n_ports are set, %FALSE otherwise.
  *
@@ -999,6 +1000,44 @@ PROPERTY_ARRAY_DEFINE_DEEP (ports,
 
 /*****************************************************************************/
 
+/**
+ * mm_modem_peek_ignored_ports:
+ * @self: A #MMModem.
+ * @ports: (out) (array length=n_ports) (transfer none): Return location for the
+ *  array of #MMModemPortInfo values. Do not free the returned value, it is
+ *  owned by @self.
+ * @n_ports: (out): Return location for the number of values in @ports.
+ *
+ * Gets the list of ignored ports in the modem.
+ *
+ * Returns: %TRUE if @ports and @n_ports are set, %FALSE otherwise.
+ *
+ * Since: 1.26
+ */
+
+/**
+ * mm_modem_get_ignored_ports:
+ * @self: A #MMModem.
+ * @ports: (out) (array length=n_ports): Return location for the array of
+ *  #MMModemPortInfo values. The returned array should be freed with
+ *  mm_modem_port_info_array_free() when no longer needed.
+ * @n_ports: (out): Return location for the number of values in @ports.
+ *
+ * Gets the list of ignored ports in the modem.
+ *
+ * Returns: %TRUE if @ports and @n_ports are set, %FALSE otherwise.
+ *
+ * Since: 1.26
+ */
+
+PROPERTY_ARRAY_DEFINE_DEEP (ignored_ports,
+                            Modem, modem, MODEM,
+                            MMModemPortInfo,
+                            mm_common_ports_variant_to_garray,
+                            mm_common_ports_garray_to_array)
+
+/*****************************************************************************/
+
 /**
  * mm_modem_get_equipment_identifier:
  * @self: A #MMModem.
@@ -3430,6 +3469,7 @@ mm_modem_init (MMModem *self)
     g_mutex_init (&self->priv->mutex);
 
     PROPERTY_INITIALIZE (ports,                  "ports")
+    PROPERTY_INITIALIZE (ignored_ports,          "ignored-ports")
     PROPERTY_INITIALIZE (supported_modes,        "supported-modes")
     PROPERTY_INITIALIZE (supported_capabilities, "supported-capabilities")
     PROPERTY_INITIALIZE (supported_bands,        "supported-bands")
@@ -3445,6 +3485,7 @@ finalize (GObject *object)
     g_mutex_clear (&self->priv->mutex);
 
     PROPERTY_ARRAY_FINALIZE (ports)
+    PROPERTY_ARRAY_FINALIZE (ignored_ports)
     PROPERTY_ARRAY_FINALIZE (supported_modes)
     PROPERTY_ARRAY_FINALIZE (supported_capabilities)
     PROPERTY_ARRAY_FINALIZE (supported_bands)
diff --git a/libmm-glib/mm-modem.h b/libmm-glib/mm-modem.h
index d59f09a1..58a2e116 100644
--- a/libmm-glib/mm-modem.h
+++ b/libmm-glib/mm-modem.h
@@ -138,6 +138,14 @@ gboolean           mm_modem_get_ports                (MMModem *self,
                                                       MMModemPortInfo **ports,
                                                       guint *n_ports);
 
+gboolean           mm_modem_peek_ignored_ports       (MMModem *self,
+                                                      const MMModemPortInfo **ports,
+                                                      guint *n_ports);
+
+gboolean           mm_modem_get_ignored_ports        (MMModem *self,
+                                                      MMModemPortInfo **ports,
+                                                      guint *n_ports);
+
 const gchar       *mm_modem_get_equipment_identifier (MMModem *self);
 gchar             *mm_modem_dup_equipment_identifier (MMModem *self);
 
diff --git a/src/mm-base-modem.c b/src/mm-base-modem.c
index 7213852f..15469b5c 100644
--- a/src/mm-base-modem.c
+++ b/src/mm-base-modem.c
@@ -190,11 +190,13 @@ port_timed_out_cb (MMPort       *port,
 
 static MMPort *
 base_modem_create_ignored_port (MMBaseModem *self,
+                                MMPortType   ptype,
                                 const gchar *name)
 {
     return MM_PORT (g_object_new (MM_TYPE_PORT,
                                   MM_PORT_DEVICE, name,
-                                  MM_PORT_TYPE,   MM_PORT_TYPE_IGNORED,
+                                  MM_PORT_GROUP,  MM_PORT_GROUP_IGNORED,
+                                  MM_PORT_TYPE,   ptype,
                                   NULL));
 }
 
@@ -326,6 +328,7 @@ base_modem_create_wwan_port (MMBaseModem *self,
         return MM_PORT (g_object_new (MM_TYPE_PORT,
                                       MM_PORT_DEVICE, name,
                                       MM_PORT_SUBSYS, MM_PORT_SUBSYS_WWAN,
+                                      MM_PORT_GROUP, MM_PORT_GROUP_USED,
                                       MM_PORT_TYPE, MM_PORT_TYPE_XMMRPC,
                                       NULL));
 
@@ -343,6 +346,7 @@ static MMPort *
 base_modem_internal_grab_port (MMBaseModem         *self,
                                MMKernelDevice      *kernel_device,
                                gboolean             link_port,
+                               MMPortGroup          pgroup,
                                MMPortType           ptype,
                                MMPortSerialAtFlag   at_pflags,
                                GError             **error)
@@ -377,8 +381,8 @@ base_modem_internal_grab_port (MMBaseModem         *self,
 
     /* Explicitly ignored ports, grab them but explicitly flag them as ignored
      * right away, all the same way (i.e. regardless of subsystem). */
-    if (ptype == MM_PORT_TYPE_IGNORED)
-        port = base_modem_create_ignored_port (self, name);
+    if (pgroup == MM_PORT_GROUP_IGNORED)
+        port = base_modem_create_ignored_port (self, ptype, name);
     else if (g_str_equal (subsys, "net"))
         port = base_modem_create_net_port (self, name);
     else if (g_str_equal (subsys, "tty"))
@@ -403,25 +407,27 @@ base_modem_internal_grab_port (MMBaseModem         *self,
     }
 
     /* Setup consecutive ports and removal watchers in all control ports */
-    if (MM_IS_PORT_SERIAL_AT (port)) {
-        mm_obj_dbg (port, "port monitoring enabled in AT port");
-        port_monitoring = TRUE;
-    } else if (MM_IS_PORT_SERIAL_QCDM (port)) {
-        mm_obj_dbg (port, "port monitoring enabled in QCDM port");
-        port_monitoring = TRUE;
-    }
+    if (pgroup == MM_PORT_GROUP_USED) {
+        if (MM_IS_PORT_SERIAL_AT (port)) {
+            mm_obj_dbg (port, "port monitoring enabled in AT port");
+            port_monitoring = TRUE;
+        } else if (MM_IS_PORT_SERIAL_QCDM (port)) {
+            mm_obj_dbg (port, "port monitoring enabled in QCDM port");
+            port_monitoring = TRUE;
+        }
 #if defined WITH_QMI
-    else if (MM_IS_PORT_QMI (port)) {
-        mm_obj_dbg (port, "port monitoring enabled in QMI port");
-        port_monitoring = TRUE;
-    }
+        else if (MM_IS_PORT_QMI (port)) {
+            mm_obj_dbg (port, "port monitoring enabled in QMI port");
+            port_monitoring = TRUE;
+        }
 #endif
 #if defined WITH_MBIM
-    else if (MM_IS_PORT_MBIM (port)) {
-        mm_obj_dbg (port, "port monitoring enabled in MBIM port");
-        port_monitoring = TRUE;
-    }
+        else if (MM_IS_PORT_MBIM (port)) {
+            mm_obj_dbg (port, "port monitoring enabled in MBIM port");
+            port_monitoring = TRUE;
+        }
 #endif
+    }
 
     if (port_monitoring) {
         if (self->priv->max_timeouts > 0)
@@ -487,13 +493,14 @@ base_modem_internal_grab_port (MMBaseModem         *self,
 gboolean
 mm_base_modem_grab_port (MMBaseModem         *self,
                          MMKernelDevice      *kernel_device,
+                         MMPortGroup          pgroup,
                          MMPortType           ptype,
                          MMPortSerialAtFlag   at_pflags,
                          GError             **error)
 {
     g_autoptr(GError) inner_error = NULL;
 
-    if (!base_modem_internal_grab_port (self, kernel_device, FALSE, ptype, at_pflags, &inner_error)) {
+    if (!base_modem_internal_grab_port (self, kernel_device, FALSE, pgroup, ptype, at_pflags, &inner_error)) {
         /* If the port was REQUIRED via udev tags and we failed to grab it, we will report
          * a fatal error. */
         if (mm_kernel_device_get_property_as_boolean (kernel_device, ID_MM_REQUIRED)) {
@@ -540,6 +547,7 @@ mm_base_modem_grab_link_port (MMBaseModem     *self,
     port = base_modem_internal_grab_port (self,
                                           kernel_device,
                                           TRUE,
+                                          MM_PORT_GROUP_USED,
                                           MM_PORT_TYPE_NET,
                                           MM_PORT_SERIAL_AT_FLAG_NONE,
                                           error);
@@ -1264,25 +1272,28 @@ port_info_cmp (const MMModemPortInfo *a,
     return g_strcmp0 (a->name, b->name);
 }
 
-MMModemPortInfo *
-mm_base_modem_get_port_infos (MMBaseModem *self,
-                              guint       *n_port_infos)
+static MMModemPortInfo *
+parse_port_infos (GHashTable *ports,
+                  guint      *n_port_infos,
+                  MMPortGroup pgroup_filter)
 {
     GHashTableIter  iter;
     GArray         *port_infos;
     MMPort         *port;
 
-    if (!self->priv->ports) {
+    if (!ports) {
         *n_port_infos = 0;
         return NULL;
     }
 
-    *n_port_infos = g_hash_table_size (self->priv->ports);
-    port_infos = g_array_sized_new (FALSE, FALSE, sizeof (MMModemPortInfo), *n_port_infos);
-    g_hash_table_iter_init (&iter, self->priv->ports);
+    port_infos = g_array_new (FALSE, FALSE, sizeof (MMModemPortInfo));
+    g_hash_table_iter_init (&iter, ports);
     while (g_hash_table_iter_next (&iter, NULL, (gpointer)&port)) {
         MMModemPortInfo port_info;
 
+        if (mm_port_get_port_group (port) != pgroup_filter)
+            continue;
+
         port_info.name = g_strdup (mm_port_get_device (port));
         switch (mm_port_get_port_type (port)) {
         case MM_PORT_TYPE_NET:
@@ -1321,11 +1332,25 @@ mm_base_modem_get_port_infos (MMBaseModem *self,
         g_array_append_val (port_infos, port_info);
     }
 
-    g_assert (*n_port_infos == port_infos->len);
+    *n_port_infos = port_infos->len;
     g_array_sort (port_infos, (GCompareFunc) port_info_cmp);
     return (MMModemPortInfo *) g_array_free (port_infos, FALSE);
 }
 
+MMModemPortInfo *
+mm_base_modem_get_port_infos (MMBaseModem *self,
+                              guint       *n_port_infos)
+{
+    return parse_port_infos (self->priv->ports, n_port_infos, MM_PORT_GROUP_USED);
+}
+
+MMModemPortInfo *
+mm_base_modem_get_ignored_port_infos (MMBaseModem *self,
+                                      guint       *n_port_infos)
+{
+    return parse_port_infos (self->priv->ports, n_port_infos, MM_PORT_GROUP_IGNORED);
+}
+
 static gint
 port_cmp (MMPort *a,
           MMPort *b)
@@ -1467,6 +1492,10 @@ mm_base_modem_organize_ports (MMBaseModem *self,
 
     g_hash_table_iter_init (&iter, self->priv->ports);
     while (g_hash_table_iter_next (&iter, NULL, (gpointer *) &candidate)) {
+        /* Skip ports that should not be used */
+        if (mm_port_get_port_group (candidate) != MM_PORT_GROUP_USED)
+            continue;
+
         switch (mm_port_get_port_type (candidate)) {
 
         case MM_PORT_TYPE_AT:
diff --git a/src/mm-base-modem.h b/src/mm-base-modem.h
index 52670bfb..161b11cb 100644
--- a/src/mm-base-modem.h
+++ b/src/mm-base-modem.h
@@ -137,6 +137,7 @@ guint     mm_base_modem_get_dbus_id  (MMBaseModem *self);
 
 gboolean  mm_base_modem_grab_port         (MMBaseModem         *self,
                                            MMKernelDevice      *kernel_device,
+                                           MMPortGroup          pgroup,
                                            MMPortType           ptype,
                                            MMPortSerialAtFlag   at_pflags,
                                            GError             **error);
@@ -183,6 +184,8 @@ GList            *mm_base_modem_get_data_ports        (MMBaseModem *self);
 
 MMModemPortInfo *mm_base_modem_get_port_infos         (MMBaseModem *self,
                                                        guint *n_port_infos);
+MMModemPortInfo *mm_base_modem_get_ignored_port_infos (MMBaseModem *self,
+                                                       guint       *n_port_infos);
 
 GList            *mm_base_modem_find_ports            (MMBaseModem  *self,
                                                        MMPortSubsys  subsys,
diff --git a/src/mm-iface-modem.c b/src/mm-iface-modem.c
index de25296b..75c2ca63 100644
--- a/src/mm-iface-modem.c
+++ b/src/mm-iface-modem.c
@@ -5718,6 +5718,14 @@ interface_initialization_step (GTask *task)
             mm_gdbus_modem_set_ports (ctx->skeleton, mm_common_ports_array_to_variant (port_infos, n_port_infos));
             mm_modem_port_info_array_free (port_infos, n_port_infos);
         }
+        if (!mm_gdbus_modem_get_ignored_ports (ctx->skeleton)) {
+            MMModemPortInfo *port_infos;
+            guint n_port_infos;
+
+            port_infos = mm_base_modem_get_ignored_port_infos (MM_BASE_MODEM (self), &n_port_infos);
+            mm_gdbus_modem_set_ignored_ports (ctx->skeleton, mm_common_ports_array_to_variant (port_infos, n_port_infos));
+            mm_modem_port_info_array_free (port_infos, n_port_infos);
+        }
         ctx->step++;
         /* fall-through */
 
diff --git a/src/mm-plugin.c b/src/mm-plugin.c
index 32605b89..bacbd316 100644
--- a/src/mm-plugin.c
+++ b/src/mm-plugin.c
@@ -974,19 +974,20 @@ mm_plugin_create_modem (MMPlugin  *self,
             GError      *inner_error = NULL;
             MMPortProbe *probe;
             gboolean     grabbed = FALSE;
-            gboolean     force_ignored = FALSE;
             const gchar *subsys;
             const gchar *name;
             const gchar *driver;
+            MMPortGroup  port_group;
             MMPortType   port_type;
 
             probe = MM_PORT_PROBE (l->data);
 
-            subsys    = mm_port_probe_get_port_subsys (probe);
-            name      = mm_port_probe_get_port_name   (probe);
-            port_type = mm_port_probe_get_port_type   (probe);
+            subsys     = mm_port_probe_get_port_subsys (probe);
+            name       = mm_port_probe_get_port_name   (probe);
+            port_group = mm_port_probe_get_port_group  (probe);
+            port_type  = mm_port_probe_get_port_type   (probe);
 
-            driver    = mm_kernel_device_get_driver (mm_port_probe_peek_port (probe));
+            driver     = mm_kernel_device_get_driver (mm_port_probe_peek_port (probe));
 
             /* If grabbing a port fails, just warn. We'll decide if the modem is
              * valid or not when all ports get organized */
@@ -1003,9 +1004,8 @@ mm_plugin_create_modem (MMPlugin  *self,
             }
 
             /* Ports that are explicitly ignored will be grabbed as ignored */
-            if (mm_port_probe_is_ignored (probe)) {
+            if (port_group == MM_PORT_GROUP_IGNORED) {
                 mm_obj_dbg (self, "port %s is explicitly ignored", name);
-                force_ignored = TRUE;
                 goto grab_port;
             }
 
@@ -1017,7 +1017,7 @@ mm_plugin_create_modem (MMPlugin  *self,
                     g_strcmp0 (driver, "qmi_wwan") != 0) {
                     /* Non-QMI net ports are ignored in QMI modems */
                     mm_obj_dbg (self, "ignoring non-QMI net port %s in QMI modem", name);
-                    force_ignored = TRUE;
+                    port_group = MM_PORT_GROUP_IGNORED;
                     goto grab_port;
                 }
 
@@ -1026,7 +1026,7 @@ mm_plugin_create_modem (MMPlugin  *self,
                     g_strcmp0 (driver, "qmi_wwan") == 0) {
                     /* QMI net ports are ignored in non-QMI modems */
                     mm_obj_dbg (self, "ignoring QMI net port %s in non-QMI modem", name);
-                    force_ignored = TRUE;
+                    port_group = MM_PORT_GROUP_IGNORED;
                     goto grab_port;
                 }
 #else
@@ -1034,7 +1034,7 @@ mm_plugin_create_modem (MMPlugin  *self,
                     g_strcmp0 (driver, "qmi_wwan") == 0) {
                     /* QMI net ports are ignored if QMI support not built */
                     mm_obj_dbg (self, "ignoring QMI net port %s as QMI support isn't available", name);
-                    force_ignored = TRUE;
+                    port_group = MM_PORT_GROUP_IGNORED;
                     goto grab_port;
                 }
 #endif
@@ -1048,7 +1048,7 @@ mm_plugin_create_modem (MMPlugin  *self,
                     g_strcmp0 (driver, "cdc_mbim") != 0) {
                     /* Non-MBIM net ports are ignored in MBIM modems */
                     mm_obj_dbg (self, "ignoring non-MBIM net port %s in MBIM modem", name);
-                    force_ignored = TRUE;
+                    port_group = MM_PORT_GROUP_IGNORED;
                     goto grab_port;
                 }
 
@@ -1057,27 +1057,21 @@ mm_plugin_create_modem (MMPlugin  *self,
                     g_strcmp0 (driver, "cdc_mbim") == 0) {
                     /* MBIM net ports are ignored in non-MBIM modems */
                     mm_obj_dbg (self, "ignoring MBIM net port %s in non-MBIM modem", name);
-                    force_ignored = TRUE;
+                    port_group = MM_PORT_GROUP_IGNORED;
                     goto grab_port;
                 }
 #else
                 if (port_type == MM_PORT_TYPE_NET &&
                     g_strcmp0 (driver, "cdc_mbim") == 0) {
                     mm_obj_dbg (self, "ignoring MBIM net port %s as MBIM support isn't available", name);
-                    force_ignored = TRUE;
+                    port_group = MM_PORT_GROUP_IGNORED;
                     goto grab_port;
                 }
 #endif
             }
 
         grab_port:
-            if (force_ignored)
-                grabbed = mm_base_modem_grab_port (modem,
-                                                   mm_port_probe_peek_port (probe),
-                                                   MM_PORT_TYPE_IGNORED,
-                                                   MM_PORT_SERIAL_AT_FLAG_NONE,
-                                                   &inner_error);
-            else if (MM_PLUGIN_GET_CLASS (self)->grab_port)
+            if (port_group != MM_PORT_GROUP_IGNORED && MM_PLUGIN_GET_CLASS (self)->grab_port)
                 grabbed = MM_PLUGIN_GET_CLASS (self)->grab_port (MM_PLUGIN (self),
                                                                  modem,
                                                                  probe,
@@ -1085,7 +1079,8 @@ mm_plugin_create_modem (MMPlugin  *self,
             else
                 grabbed = mm_base_modem_grab_port (modem,
                                                    mm_port_probe_peek_port (probe),
-                                                   mm_port_probe_get_port_type (probe),
+                                                   port_group,
+                                                   port_type,
                                                    MM_PORT_SERIAL_AT_FLAG_NONE,
                                                    &inner_error);
 
@@ -1128,6 +1123,7 @@ mm_plugin_create_modem (MMPlugin  *self,
                 g_clear_error (&inner_error);
             } else if (!mm_base_modem_grab_port (modem,
                                                  kernel_device,
+                                                 MM_PORT_GROUP_USED,
                                                  MM_PORT_TYPE_AT,
                                                  MM_PORT_SERIAL_AT_FLAG_NONE,
                                                  &inner_error)) {
diff --git a/src/mm-port-mbim.c b/src/mm-port-mbim.c
index d14d61c4..e58ba961 100644
--- a/src/mm-port-mbim.c
+++ b/src/mm-port-mbim.c
@@ -940,6 +940,7 @@ mm_port_mbim_new (const gchar  *name,
     return MM_PORT_MBIM (g_object_new (MM_TYPE_PORT_MBIM,
                                        MM_PORT_DEVICE, name,
                                        MM_PORT_SUBSYS, subsys,
+                                       MM_PORT_GROUP, MM_PORT_GROUP_USED,
                                        MM_PORT_TYPE, MM_PORT_TYPE_MBIM,
                                        NULL));
 }
diff --git a/src/mm-port-net.c b/src/mm-port-net.c
index a1fb4372..c2c0f78e 100644
--- a/src/mm-port-net.c
+++ b/src/mm-port-net.c
@@ -156,6 +156,7 @@ mm_port_net_new (const gchar *name)
     return MM_PORT_NET (g_object_new (MM_TYPE_PORT_NET,
                                       MM_PORT_DEVICE, name,
                                       MM_PORT_SUBSYS, MM_PORT_SUBSYS_NET,
+                                      MM_PORT_GROUP,  MM_PORT_GROUP_USED,
                                       MM_PORT_TYPE,   MM_PORT_TYPE_NET,
                                       NULL));
 }
diff --git a/src/mm-port-probe.c b/src/mm-port-probe.c
index c01cbddb..6b53907b 100644
--- a/src/mm-port-probe.c
+++ b/src/mm-port-probe.c
@@ -2002,6 +2002,17 @@ mm_port_probe_list_has_xmmrpc_port (GList *list)
     return FALSE;
 }
 
+MMPortGroup
+mm_port_probe_get_port_group (MMPortProbe *self)
+{
+    g_return_val_if_fail (MM_IS_PORT_PROBE (self), MM_PORT_GROUP_UNKNOWN);
+
+    if (self->priv->is_ignored)
+        return MM_PORT_GROUP_IGNORED;
+
+    return MM_PORT_GROUP_USED;
+}
+
 MMPortType
 mm_port_probe_get_port_type (MMPortProbe *self)
 {
@@ -2144,14 +2155,6 @@ mm_port_probe_list_is_xmm (GList *probes)
     return FALSE;
 }
 
-gboolean
-mm_port_probe_is_ignored (MMPortProbe *self)
-{
-    g_return_val_if_fail (MM_IS_PORT_PROBE (self), FALSE);
-
-    return self->priv->is_ignored;
-}
-
 const gchar *
 mm_port_probe_get_port_name (MMPortProbe *self)
 {
diff --git a/src/mm-port-probe.h b/src/mm-port-probe.h
index 000b40da..3833d50c 100644
--- a/src/mm-port-probe.h
+++ b/src/mm-port-probe.h
@@ -140,6 +140,7 @@ gboolean mm_port_probe_run_early_at_probe_finish (MMPortProbe   *self,
                                                   GError       **error);
 
 /* Probing result getters */
+MMPortGroup   mm_port_probe_get_port_group   (MMPortProbe *self);
 MMPortType    mm_port_probe_get_port_type    (MMPortProbe *self);
 gboolean      mm_port_probe_is_at            (MMPortProbe *self);
 gboolean      mm_port_probe_is_qcdm          (MMPortProbe *self);
@@ -150,7 +151,6 @@ const gchar  *mm_port_probe_get_vendor       (MMPortProbe *self);
 const gchar  *mm_port_probe_get_product      (MMPortProbe *self);
 gboolean      mm_port_probe_is_icera         (MMPortProbe *self);
 gboolean      mm_port_probe_is_xmm           (MMPortProbe *self);
-gboolean      mm_port_probe_is_ignored       (MMPortProbe *self);
 
 /* Additional helpers */
 gboolean mm_port_probe_list_has_at_port     (GList *list);
diff --git a/src/mm-port-qmi.c b/src/mm-port-qmi.c
index 80bde14b..6e198b5b 100644
--- a/src/mm-port-qmi.c
+++ b/src/mm-port-qmi.c
@@ -2842,6 +2842,7 @@ mm_port_qmi_new (const gchar  *name,
     return MM_PORT_QMI (g_object_new (MM_TYPE_PORT_QMI,
                                       MM_PORT_DEVICE, name,
                                       MM_PORT_SUBSYS, subsys,
+                                      MM_PORT_GROUP, MM_PORT_GROUP_USED,
                                       MM_PORT_TYPE, MM_PORT_TYPE_QMI,
                                       NULL));
 }
@@ -2855,6 +2856,7 @@ mm_port_qmi_new_from_node (const gchar *name,
                                       "node", node,
                                       MM_PORT_DEVICE, name,
                                       MM_PORT_SUBSYS, MM_PORT_SUBSYS_QRTR,
+                                      MM_PORT_GROUP, MM_PORT_GROUP_USED,
                                       MM_PORT_TYPE, MM_PORT_TYPE_QMI,
                                       NULL));
 }
diff --git a/src/mm-port-serial-at.c b/src/mm-port-serial-at.c
index 0130b62d..90c0af70 100644
--- a/src/mm-port-serial-at.c
+++ b/src/mm-port-serial-at.c
@@ -526,6 +526,7 @@ mm_port_serial_at_new (const char   *name,
     return MM_PORT_SERIAL_AT (g_object_new (MM_TYPE_PORT_SERIAL_AT,
                                             MM_PORT_DEVICE, name,
                                             MM_PORT_SUBSYS, subsys,
+                                            MM_PORT_GROUP,  MM_PORT_GROUP_USED,
                                             MM_PORT_TYPE,   MM_PORT_TYPE_AT,
                                             NULL));
 }
diff --git a/src/mm-port-serial-gps.c b/src/mm-port-serial-gps.c
index fe8ec6a8..540bad72 100644
--- a/src/mm-port-serial-gps.c
+++ b/src/mm-port-serial-gps.c
@@ -174,6 +174,7 @@ mm_port_serial_gps_new (const char *name)
     return MM_PORT_SERIAL_GPS (g_object_new (MM_TYPE_PORT_SERIAL_GPS,
                                              MM_PORT_DEVICE, name,
                                              MM_PORT_SUBSYS, MM_PORT_SUBSYS_TTY,
+                                             MM_PORT_GROUP, MM_PORT_GROUP_USED,
                                              MM_PORT_TYPE, MM_PORT_TYPE_GPS,
                                              NULL));
 }
diff --git a/src/mm-port-serial-qcdm.c b/src/mm-port-serial-qcdm.c
index 06656d40..dcc8b472 100644
--- a/src/mm-port-serial-qcdm.c
+++ b/src/mm-port-serial-qcdm.c
@@ -372,6 +372,7 @@ mm_port_serial_qcdm_new (const char *name,
     return MM_PORT_SERIAL_QCDM (g_object_new (MM_TYPE_PORT_SERIAL_QCDM,
                                               MM_PORT_DEVICE, name,
                                               MM_PORT_SUBSYS, subsys,
+                                              MM_PORT_GROUP, MM_PORT_GROUP_USED,
                                               MM_PORT_TYPE, MM_PORT_TYPE_QCDM,
                                               MM_PORT_SERIAL_SEND_DELAY, (guint64) 0,
                                               NULL));
@@ -387,6 +388,7 @@ mm_port_serial_qcdm_new_fd (int fd)
     port = MM_PORT_SERIAL_QCDM (g_object_new (MM_TYPE_PORT_SERIAL_QCDM,
                                               MM_PORT_DEVICE, name,
                                               MM_PORT_SUBSYS, MM_PORT_SUBSYS_TTY,
+                                              MM_PORT_GROUP, MM_PORT_GROUP_USED,
                                               MM_PORT_TYPE, MM_PORT_TYPE_QCDM,
                                               MM_PORT_SERIAL_FD, fd,
                                               MM_PORT_SERIAL_SEND_DELAY, (guint64) 0,
diff --git a/src/mm-port-serial.c b/src/mm-port-serial.c
index 0ea7a06e..861f4e88 100644
--- a/src/mm-port-serial.c
+++ b/src/mm-port-serial.c
@@ -1895,6 +1895,7 @@ mm_port_serial_new (const char *name, MMPortType ptype)
     return MM_PORT_SERIAL (g_object_new (MM_TYPE_PORT_SERIAL,
                                          MM_PORT_DEVICE, name,
                                          MM_PORT_SUBSYS, MM_PORT_SUBSYS_TTY,
+                                         MM_PORT_GROUP, MM_PORT_GROUP_USED,
                                          MM_PORT_TYPE, ptype,
                                          NULL));
 }
diff --git a/src/mm-port.c b/src/mm-port.c
index f2df3933..da37f902 100644
--- a/src/mm-port.c
+++ b/src/mm-port.c
@@ -31,6 +31,7 @@ enum {
     PROP_0,
     PROP_DEVICE,
     PROP_SUBSYS,
+    PROP_GROUP,
     PROP_TYPE,
     PROP_CONNECTED,
     PROP_KERNEL_DEVICE,
@@ -49,6 +50,7 @@ static guint signals[LAST_SIGNAL] = { 0 };
 struct _MMPortPrivate {
     gchar *device;
     MMPortSubsys subsys;
+    MMPortGroup pgroup;
     MMPortType ptype;
     gboolean connected;
     MMKernelDevice *kernel_device;
@@ -74,6 +76,15 @@ mm_port_get_subsys (MMPort *self)
     return self->priv->subsys;
 }
 
+MMPortGroup
+mm_port_get_port_group (MMPort *self)
+{
+    g_return_val_if_fail (self != NULL, MM_PORT_GROUP_UNKNOWN);
+    g_return_val_if_fail (MM_IS_PORT (self), MM_PORT_GROUP_UNKNOWN);
+
+    return self->priv->pgroup;
+}
+
 MMPortType
 mm_port_get_port_type (MMPort *self)
 {
@@ -151,6 +162,10 @@ set_property (GObject *object,
         /* Construct only */
         self->priv->subsys = g_value_get_uint (value);
         break;
+    case PROP_GROUP:
+        /* Construct only */
+        self->priv->pgroup = g_value_get_uint (value);
+        break;
     case PROP_TYPE:
         /* Construct only */
         self->priv->ptype = g_value_get_uint (value);
@@ -182,6 +197,9 @@ get_property (GObject *object, guint prop_id,
     case PROP_SUBSYS:
         g_value_set_uint (value, self->priv->subsys);
         break;
+    case PROP_GROUP:
+        g_value_set_uint (value, self->priv->pgroup);
+        break;
     case PROP_TYPE:
         g_value_set_uint (value, self->priv->ptype);
         break;
@@ -254,6 +272,16 @@ mm_port_class_init (MMPortClass *klass)
                             MM_PORT_SUBSYS_UNKNOWN,
                             G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
 
+    g_object_class_install_property
+        (object_class, PROP_GROUP,
+         g_param_spec_uint (MM_PORT_GROUP,
+                            "Group",
+                            "Group",
+                            MM_PORT_GROUP_UNKNOWN,
+                            MM_PORT_GROUP_LAST,
+                            MM_PORT_GROUP_UNKNOWN,
+                            G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+
     g_object_class_install_property
         (object_class, PROP_TYPE,
          g_param_spec_uint (MM_PORT_TYPE,
diff --git a/src/mm-port.h b/src/mm-port.h
index 0d78be3d..1dd054a5 100644
--- a/src/mm-port.h
+++ b/src/mm-port.h
@@ -34,6 +34,13 @@ typedef enum { /*< underscore_name=mm_port_subsys >*/
     MM_PORT_SUBSYS_LAST = MM_PORT_SUBSYS_WWAN /*< skip >*/
 } MMPortSubsys;
 
+typedef enum { /*< underscore_name=mm_port_group >*/
+    MM_PORT_GROUP_UNKNOWN = 0x0,
+    MM_PORT_GROUP_USED,
+    MM_PORT_GROUP_IGNORED,
+    MM_PORT_GROUP_LAST = MM_PORT_GROUP_IGNORED /*< skip >*/
+} MMPortGroup;
+
 typedef enum { /*< underscore_name=mm_port_type >*/
     MM_PORT_TYPE_UNKNOWN = 0x0,
     MM_PORT_TYPE_IGNORED,
@@ -57,6 +64,7 @@ typedef enum { /*< underscore_name=mm_port_type >*/
 
 #define MM_PORT_DEVICE        "device"
 #define MM_PORT_SUBSYS        "subsys"
+#define MM_PORT_GROUP         "group"
 #define MM_PORT_TYPE          "type"
 #define MM_PORT_CONNECTED     "connected"
 #define MM_PORT_KERNEL_DEVICE "kernel-device"
@@ -86,6 +94,7 @@ G_DEFINE_AUTOPTR_CLEANUP_FUNC (MMPort, g_object_unref)
 
 const gchar    *mm_port_get_device         (MMPort *self);
 MMPortSubsys    mm_port_get_subsys         (MMPort *self);
+MMPortGroup     mm_port_get_port_group     (MMPort *self);
 MMPortType      mm_port_get_port_type      (MMPort *self);
 gboolean        mm_port_get_connected      (MMPort *self);
 void            mm_port_set_connected      (MMPort *self, gboolean connected);
diff --git a/src/plugins/cinterion/mm-plugin-cinterion.c b/src/plugins/cinterion/mm-plugin-cinterion.c
index aefa46e1..b86c614c 100644
--- a/src/plugins/cinterion/mm-plugin-cinterion.c
+++ b/src/plugins/cinterion/mm-plugin-cinterion.c
@@ -204,6 +204,7 @@ grab_port (MMPlugin *self,
 
     return mm_base_modem_grab_port (modem,
                                     mm_port_probe_peek_port (probe),
+                                    mm_port_probe_get_port_group (probe),
                                     ptype,
                                     pflags,
                                     error);
diff --git a/src/plugins/dell/mm-plugin-dell.c b/src/plugins/dell/mm-plugin-dell.c
index 17f257de..4a9e7817 100644
--- a/src/plugins/dell/mm-plugin-dell.c
+++ b/src/plugins/dell/mm-plugin-dell.c
@@ -493,6 +493,7 @@ grab_port (MMPlugin     *self,
 
     return mm_base_modem_grab_port (modem,
                                     mm_port_probe_peek_port (probe),
+                                    mm_port_probe_get_port_group (probe),
                                     mm_port_probe_get_port_type (probe),
                                     MM_PORT_SERIAL_AT_FLAG_NONE,
                                     error);
diff --git a/src/plugins/fibocom/mm-port-mbim-fibocom.c b/src/plugins/fibocom/mm-port-mbim-fibocom.c
index a5ec213b..02d9b6d4 100644
--- a/src/plugins/fibocom/mm-port-mbim-fibocom.c
+++ b/src/plugins/fibocom/mm-port-mbim-fibocom.c
@@ -241,6 +241,7 @@ mm_port_mbim_fibocom_new (const gchar  *name,
     return MM_PORT_MBIM_FIBOCOM (g_object_new (MM_TYPE_PORT_MBIM_FIBOCOM,
                                                MM_PORT_DEVICE, name,
                                                MM_PORT_SUBSYS, subsys,
+                                               MM_PORT_GROUP, MM_PORT_GROUP_USED,
                                                MM_PORT_TYPE, MM_PORT_TYPE_MBIM,
                                                NULL));
 }
diff --git a/src/plugins/huawei/mm-plugin-huawei.c b/src/plugins/huawei/mm-plugin-huawei.c
index c59d0dfc..99bd9286 100644
--- a/src/plugins/huawei/mm-plugin-huawei.c
+++ b/src/plugins/huawei/mm-plugin-huawei.c
@@ -693,6 +693,7 @@ grab_port (MMPlugin *self,
 
     return mm_base_modem_grab_port (modem,
                                     port,
+                                    mm_port_probe_get_port_group (probe),
                                     port_type,
                                     pflags,
                                     error);
diff --git a/src/plugins/option/mm-plugin-hso.c b/src/plugins/option/mm-plugin-hso.c
index 9200f047..1e0aba34 100644
--- a/src/plugins/option/mm-plugin-hso.c
+++ b/src/plugins/option/mm-plugin-hso.c
@@ -159,6 +159,7 @@ grab_port (MMPlugin *self,
 
     return mm_base_modem_grab_port (modem,
                                     mm_port_probe_peek_port (probe),
+                                    mm_port_probe_get_port_group (probe),
                                     port_type,
                                     pflags,
                                     error);
diff --git a/src/plugins/option/mm-plugin-option.c b/src/plugins/option/mm-plugin-option.c
index e38d3832..d74f0037 100644
--- a/src/plugins/option/mm-plugin-option.c
+++ b/src/plugins/option/mm-plugin-option.c
@@ -81,6 +81,7 @@ grab_port (MMPlugin *self,
 
     return mm_base_modem_grab_port (modem,
                                     port,
+                                    mm_port_probe_get_port_group (probe),
                                     MM_PORT_TYPE_AT, /* we only allow AT ports here */
                                     pflags,
                                     error);
diff --git a/src/plugins/pantech/mm-plugin-pantech.c b/src/plugins/pantech/mm-plugin-pantech.c
index 9004e358..c326eb35 100644
--- a/src/plugins/pantech/mm-plugin-pantech.c
+++ b/src/plugins/pantech/mm-plugin-pantech.c
@@ -123,6 +123,7 @@ grab_port (MMPlugin *self,
 
     return mm_base_modem_grab_port (modem,
                                     mm_port_probe_peek_port (probe),
+                                    mm_port_probe_get_port_group (probe),
                                     ptype,
                                     pflags,
                                     error);
diff --git a/src/plugins/quectel/mm-port-mbim-quectel.c b/src/plugins/quectel/mm-port-mbim-quectel.c
index 617b681a..19470760 100644
--- a/src/plugins/quectel/mm-port-mbim-quectel.c
+++ b/src/plugins/quectel/mm-port-mbim-quectel.c
@@ -250,6 +250,7 @@ mm_port_mbim_quectel_new (const gchar  *name,
     return MM_PORT_MBIM_QUECTEL (g_object_new (MM_TYPE_PORT_MBIM_QUECTEL,
                                                MM_PORT_DEVICE, name,
                                                MM_PORT_SUBSYS, subsys,
+                                               MM_PORT_GROUP, MM_PORT_GROUP_USED,
                                                MM_PORT_TYPE, MM_PORT_TYPE_MBIM,
                                                NULL));
 }
diff --git a/src/plugins/sierra/mm-common-sierra.c b/src/plugins/sierra/mm-common-sierra.c
index 74720ebe..58fef3cc 100644
--- a/src/plugins/sierra/mm-common-sierra.c
+++ b/src/plugins/sierra/mm-common-sierra.c
@@ -54,6 +54,7 @@ mm_common_sierra_grab_port (MMPlugin *self,
 
     return mm_base_modem_grab_port (modem,
                                     mm_port_probe_peek_port (probe),
+                                    mm_port_probe_get_port_group (probe),
                                     ptype,
                                     pflags,
                                     error);
diff --git a/src/plugins/telit/mm-common-telit.c b/src/plugins/telit/mm-common-telit.c
index 10aba7a6..7f27aa44 100644
--- a/src/plugins/telit/mm-common-telit.c
+++ b/src/plugins/telit/mm-common-telit.c
@@ -42,11 +42,13 @@ telit_grab_port (MMPlugin *self,
 {
     MMKernelDevice *port;
     MMDevice *device;
+    MMPortGroup pgroup;
     MMPortType ptype;
     MMPortSerialAtFlag pflags = MM_PORT_SERIAL_AT_FLAG_NONE;
     const gchar *subsys;
 
     port = mm_port_probe_peek_port (probe);
+    pgroup = mm_port_probe_get_port_group (probe);
     ptype = mm_port_probe_get_port_type (probe);
     device = mm_port_probe_peek_device (probe);
     subsys = mm_port_probe_get_port_subsys (probe);
@@ -76,12 +78,13 @@ telit_grab_port (MMPlugin *self,
                         mm_port_probe_get_port_name (probe));
             ptype = MM_PORT_TYPE_GPS;
         } else
-            ptype = MM_PORT_TYPE_IGNORED;
+            pgroup = MM_PORT_GROUP_IGNORED;
     }
 
 out:
     return mm_base_modem_grab_port (modem,
                                     port,
+                                    pgroup,
                                     ptype,
                                     pflags,
                                     error);
diff --git a/src/plugins/zte/mm-plugin-zte.c b/src/plugins/zte/mm-plugin-zte.c
index 7b41ca8c..1c9ba0af 100644
--- a/src/plugins/zte/mm-plugin-zte.c
+++ b/src/plugins/zte/mm-plugin-zte.c
@@ -139,6 +139,7 @@ grab_port (MMPlugin *self,
 
     return mm_base_modem_grab_port (modem,
                                     port,
+                                    mm_port_probe_get_port_group (probe),
                                     ptype,
                                     MM_PORT_SERIAL_AT_FLAG_NONE,
                                     error);
diff --git a/tools/test-modemmanager-service.py b/tools/test-modemmanager-service.py
index f4eca184..a3fd518b 100755
--- a/tools/test-modemmanager-service.py
+++ b/tools/test-modemmanager-service.py
@@ -202,6 +202,7 @@ PM_DRIVERS = "Drivers"
 PM_PLUGIN = "Plugin"
 PM_PRIMARY_PORT = "PrimaryPort"
 PM_PORTS = "Ports"
+PM_IGNORED_PORTS = "IgnoredPorts"
 PM_EQUIPMENT_IDENTIFIER = "EquipmentIdentifier"
 PM_UNLOCK_REQUIRED = "UnlockRequired"
 PM_UNLOCK_RETRIES = "UnlockRetries"
@@ -259,6 +260,7 @@ class Modem(ExportedObj):
         #props[PM_PLUGIN] = None
         #props[PM_PRIMARY_PORT] = None
         #props[PM_PORTS] = None
+        #props[PM_IGNORED_PORTS] = None
         #props[PM_EQUIPMENT_IDENTIFIER] = None
         #props[PM_UNLOCK_RETRIES] = dbus.UInt32(0)
         #props[PM_ACCESS_TECHNOLOGIES] = None