:global u
/interface wireless monitor wlan3 once do={
:set u $registered-clients
}
:if ($u = "0") do={/interface wireless disable wlan3; /interface wireless enable wlan3}
:global u
/interface wireless monitor wlan3 once do={
:set u $status
}
:if ($u != "running-ap") do={
/interface wireless disable wlan3; /interface wireless enable wlan3
}