/ip firewall mangle add chain=prerouting protocol=icmp action=mark-connection new-connection-mark=ICMP_KONEKSI passthrough=yes comment="ICMP_KONEKSI" disabled=yes
/ip firewall mangle add chain=prerouting protocol=icmp connection-mark=ICMP_KONEKSI action=mark-packet new-packet-mark=ICMP_PAKET passthrough=no comment="ICMP_PAKET" disabled=yes
