diff --git a/html/includes/graphs/device/cisco_wwan_mnc.inc.php b/html/includes/graphs/device/cisco_wwan_mnc.inc.php
new file mode 100644
index 0000000000..c522403a31
--- /dev/null
+++ b/html/includes/graphs/device/cisco_wwan_mnc.inc.php
@@ -0,0 +1,20 @@
+ $rssi,
+ );
+ rrdtool_update($rrd_filename, $fields);
+ $graphs['cisco_wwan_rssi'] = TRUE;
+ unset($rrd_filename,$rssi);
+}
+
+
+$rrd_filename = $config['rrd_dir'] . "/" . $device['hostname'] . "/cisco-wwan-mnc.rrd";
+$mnc = snmp_get($device, "CISCO-WAN-3G-MIB::c3gGsmMnc.13", "-Ovqn", "CISCO-WAN-3G-MIB");
+if (is_numeric($mnc)) {
+ if (!is_file($rrd_filename)) {
+ rrdtool_create($rrd_filename, " --step 300 DS:mnc:GAUGE:600:0:U".$config['rrd_rra']);
+ }
+ $fields = array(
+ 'mnc' => $mnc,
+ );
+ rrdtool_update($rrd_filename, $fields);
+ $graphs['cisco_wwan_mnc'] = TRUE;
+ unset($rrd_filename,$mnc);
+}
+