librenms/html/includes/graphs/device/vpdn_sessions_l2tp.inc.php

<?php

include("includes/graphs/common.inc.php");

$rrd_filename = $config['rrd_dir'] . "/" . $device['hostname'] . "/vpdn-l2tp.rrd";

$stats = array('sessions');

$i=0;
foreach ($stats as $stat)
{
  $i++;
  $rrd_list[$i]['filename'] = $rrd_filename;
  $rrd_list[$i]['ds'] = $stat;
}

$colours='mixed';

$nototal = 1;
$simple_rrd = 1;

include("includes/graphs/generic_multi_line.inc.php");

?>