:local queueName "Client- $leaseActMAC";
:if ($leaseBound = "1") do={
/queue simple add parent=ALL name=$queueName target=($leaseActIP . "/32") max-limit=5M/5M comment=[/ip dhcp-server lease get [find where active-mac-address=$leaseActMAC && active-address=$leaseActIP] host-name];
} else={
/queue simple remove $queueName
}