LB-2-WAN

#ip modem1 = 192.168.1.1
#ip modem2 = 192.168.100.1
#asumsi modem1 dan modem2 = kecepatan sama

/ip firewall address-list
add address=10.0.0.0/8 list=private-lokal
add address=172.16.0.0/12 list=private-lokal
add address=192.168.0.0/16 list=private-lokal

/ip firewall nat
add action=masquerade chain=srcnat comment=masquerade out-interface=modem1
add action=masquerade chain=srcnat comment=masquerade out-interface=modem2

/ip route
add check-gateway=ping comment=default distance=1 gateway=192.168.1.1
add check-gateway=ping comment=backup distance=2 gateway=192.168.100.1
add check-gateway=ping comment=exit-1 distance=1 gateway=192.168.1.1 routing-mark=exit-1
add check-gateway=ping comment=exit-2 distance=1 gateway=192.168.100.1 routing-mark=exit-2
add check-gateway=ping comment=jalur-1 distance=1 gateway=192.168.1.1 routing-mark=jalur-1
add check-gateway=ping comment=jalur-1 distance=2 gateway=192.168.100.1 routing-mark=jalur-1
add check-gateway=ping comment=jalur-2 distance=1 gateway=192.168.100.1 routing-mark=jalur-2
add check-gateway=ping comment=jalur-2 distance=2 gateway=192.168.1.1 routing-mark=jalur-2


/ip firewall mangle
add action=mark-connection chain=input comment=exit-1 in-interface=modem1 new-connection-mark=exit-1 passthrough=yes
add action=mark-connection chain=input comment=exit-2 in-interface=modem2 new-connection-mark=exit-2 passthrough=yes
add action=mark-routing chain=output comment=exit-1 connection-mark=exit-1 new-routing-mark=exit-1 passthrough=no
add action=mark-routing chain=output comment=exit-2 connection-mark=exit-2 new-routing-mark=exit-2 passthrough=no
add action=mark-routing chain=prerouting comment=jalur-1 dst-address-list=!private-lokal dst-address-type=!local new-routing-mark=jalur-1 passthrough=no per-connection-classifier=both-addresses-and-ports:2/0
add action=mark-routing chain=prerouting comment=jalur-2 dst-address-list=!private-lokal dst-address-type=!local new-routing-mark=jalur-2 passthrough=no per-connection-classifier=both-addresses-and-ports:2/1