LoadBalancing ICMP 3 Line

/ ip address
add address=192.168.0.1/24 network=192.168.0.0 broadcast=192.168.0.255 interface=Local
add address=10.111.0.2/24 network=10.111.0.0 broadcast=10.111.0.255 interface=wlan2
add address=10.112.0.2/24 network=10.112.0.0 broadcast=10.112.0.255 interface=wlan1
add address=10.113.0.2/24 network=10.113.0.0 broadcast=10.113.0.255 interface=wlan3

/ ip route
add dst-address=0.0.0.0/0 gateway=10.111.0.1,10.112.0.1,10.113.0.1 check-gateway=ping

/ ip firewall nat
add chain=srcnat out-interface=wlan1 action=masquerade
add chain=srcnat out-interface=wlan2 action=masquerade
add chain=srcnat out-interface=wlan3 action=masquerade

/ ip firewall mangle
add chain=input in-interface=wlan1 action=mark-connection new-connection-mark=wlan1_conn
add chain=input in-interface=wlan2 action=mark-connection new-connection-mark=wlan2_conn
add chain=input in-interface=wlan3 action=mark-connection new-connection-mark=wlan3_conn

add chain=output connection-mark=wlan1_conn action=mark-routing new-routing-mark=to_wla1  
add chain=output connection-mark=wlan1_conn action=mark-routing new-routing-mark=to_wla2  
add chain=output connection-mark=wlan1_conn action=mark-routing new-routing-mark=to_wla3  


/ ip route
add dst-address=0.0.0.0/0 gateway=10.111.0.1 routing-mark=to_wla1
add dst-address=0.0.0.0/0 gateway=10.112.0.1 routing-mark=to_wla2
add dst-address=0.0.0.0/0 gateway=10.113.0.1 routing-mark=to_wla2