Bom dia ... não funcionou ... não está havendo a filtragem



/interface bridge
add name=bridge1
/interface bridge filter
add action=drop chain=input mac-protocol=ip src-mac-address=\
C8:3A:35:4B:000/FF:FF:FF:FF:FF:FF
add action=drop chain=input comment="Bloqueio discagem PPPoe" mac-pr
pppoe-discovery src-mac-address=C8:3A:35:4B:000/FF:FF:FF:FF:FF
/interface bridge port
add bridge=bridge1 interface=ether2
/interface bridge settings
set use-ip-firewall=yes use-ip-firewall-for-pppoe=yes