librenms-librenms/includes/discovery/processors/aen.inc.php

<?php

/*
 * LibreNMS Accedian MetroNID Processor Discovery module
 *
 * Copyright (c) 2016 Chris A. Evans <thecityofguanyu@outlook.com>
 *
 * 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 3 of the License, or (at your
 * option) any later version.  Please see LICENSE.txt at the top level of
 * the source code distribution for details.
 */



if ($device['os'] == 'aen') {
    if ($device['version'] == 'AEN_5.3.1_22558') { 
     } // don't poll v5.3.1_22558 devices due to bug that crashes snmpd
    else {
        echo 'Accedian MetroNID:';
        $descr = 'Processor';
        $usage = snmp_get($device, '.1.3.6.1.4.1.22420.1.1.20.0', '-Ovq');
        $usage = trim($usage, "percent");
        echo "usage";

        if (is_numeric($usage)) {
            discover_processor($valid['processor'], $device, '.1.3.6.1.4.1.22420.1.1.20.0', '0', 'aen', $descr, '1', $usage, null, null);
        }
    }
}