REGRA DE AVISO DE MANUTENÇÃO

Substituit IP_CONTROLLR pelo ip de seu controllr

/ip firewall nat
add action=dst-nat chain=dstnat comment=MSG-AVISO-CONTROLLR disabled=yes \
     dst-port=80,443 protocol=tcp to-addresses=IP_CONTROLLR to-ports=8096

/tool netwatch
add down-script=\
    "/ip firewall nat set [find comment=\"MSG-AVISO-CONTROLLR\"] disabled=no" \
    host=8.8.8.8 interval=5s up-script=\
    "/ip firewall nat set [find comment=\"MSG-AVISO-CONTROLLR\"] disabled=yes"