MikroTik L3HW re-enable MAC-based features

:foreach i in=[/interface/ethernet/find where switch=switch1] do={/interface/ethernet/switch/rule/add comment="MAC-Ping + MAC-Telnet + MAC-Winbox" copy-to-cpu=yes dst-address=255.255.255.255/32 dst-port=20561 protocol=udp src-address=0.0.0.0/32 src-port=20561 switch=switch1 ports=[/interface/ethernet/get $i name] disabled=yes}