librenms/html/includes/graphs/bgp/prefixes_ipv6multicast.inc.php

<?php

$rrd_filename = $config['rrd_dir'].'/'.$device['hostname'].'/'.safename('cbgp-'.$data['bgpPeerIdentifier'].'.ipv6.multicast.rrd');

require 'includes/graphs/bgp/prefixes.inc.php';