'device',
    'device' => $device['device_id'],
    'tab' => 'nac',
];
$pagetitle[] = 'NAC';
//manage the column visibility depending on OS
$vlan_visibility = ' data-visible="false"';
$t_elapsed_visibility = ' data-visible="false"';
$t_left_visibility = ' data-visible="false"';
$timeout_visibility = ' data-visible="false"';
$mode_visibility = ' data-visible="false"';
if ($device['os'] === 'vrp') {
    $vlan_visibility = '';
    $t_elapsed_visibility = '';
} else {
    $t_left_visibility = '';
    $timeout_visibility = '';
    $mode_visibility = '';
}
?>
| Port | MAC Address | IP Address | >Vlan | Domain | data-formatter="nac_mode">Mode | Username | Auth By | data-formatter="time_interval">Timeout | data-formatter="time_interval">Elapsed time | data-formatter="time_interval">Time left | AuthC | AuthZ | Method | 
|---|