librenms-librenms/html/pages/device/ports/neighbours.inc.php

<?php

echo '<table border="0" cellspacing="0" cellpadding="5" width="100%">';

$i = '1';

echo '<tr><th>Local Port</th>
          <th>Remote Port</th>
          <th>Remote Device</th>
          <th>Protocol</th>
      </tr>';

foreach (dbFetchRows('SELECT * FROM links AS L, ports AS I WHERE I.device_id = ? AND I.port_id = L.local_port_id', array($device['device_id'])) as $neighbour) {
    if ($bg_colour == $list_colour_b) {
        $bg_colour = $list_colour_a;
    }
    else {
        $bg_colour = $list_colour_b;
    }

    echo '<tr bgcolor="'.$bg_colour.'">';
    echo '<td><span style="font-weight: bold;">'.generate_port_link($neighbour).'</span><br />'.$neighbour['ifAlias'].'</td>';

    if (is_numeric($neighbour['remote_port_id']) && $neighbour['remote_port_id']) {
        $remote_port   = get_port_by_id($neighbour['remote_port_id']);
        $remote_device = device_by_id_cache($remote_port['device_id']);
        echo '<td>'.generate_port_link($remote_port).'<br />'.$remote_port['ifAlias'].'</td>';
        echo '<td>'.generate_device_link($remote_device).'<br />'.$remote_device['hardware'].'</td>';
    }
    else {
        echo '<td>'.$neighbour['remote_port'].'</td>';
        echo '<td>'.$neighbour['remote_hostname'].'
          <br />'.$neighbour['remote_platform'].'</td>';
    }

    echo '<td>'.strtoupper($neighbour['protocol']).'</td>';
    echo '</tr>';
    $i++;
}//end foreach

echo '</table>';