opa arrumei o load balance tbm graça a ajuda do jeanfrank Obrigado cara
/ip address
add address=172.31.110.10/24 network=172.31.110.0 broadcast=172.31.110.255 interface=EthClientes comment="" \
disabled=no
add address=192.168.1.253/24 network=192.168.1.0 broadcast=192.168.1.255 interface=EthWan1 comment="" \
disabled=no
add address=192.168.2.253/24 network=192.168.2.0 broadcast=192.168.2.255 interface=EthWan2 comment="" \
disabled=no
add address=192.168.3.253/24 network=192.168.3.0 broadcast=192.168.3.255 interface=EthWan3 comment="" \
disabled=no
add address=192.168.10.253/24 network=192.168.10.0 broadcast=192.168.10.255 interface=EthIntranet comment="" \
disabled=no
/ip firewall magle
add chain=prerouting in-interface=EthClientes src-address-list=EthWan1 \
action=mark-connection new-connection-mark=EthWan1 \
passthrough=yes comment="" disabled=yes
add chain=prerouting in-interface=EthClientes src-address-list=EthWan1 \
action=mark-routing new-routing-mark=EthWan1 \
passthrough=no comment="" disabled=yes
add chain=prerouting in-interface=EthClientes src-address-list=EthWan2 \
action=mark-connection new-connection-mark=EthWan2 \
passthrough=yes comment="" disabled=yes
add chain=prerouting in-interface=EthClientes src-address-list=EthWan2 \
action=mark-routing new-routing-mark=EthWan2 \
passthrough=no comment="" disabled=yes
add chain=prerouting in-interface=EthClientes src-address-list=EthWan3 \
action=mark-connection new-connection-mark=EthWan3 \
passthrough=yes comment="" disabled=yes
add chain=prerouting in-interface=EthClientes src-address-list=EthWan3 \
action=mark-routing new-routing-mark=EthWan3 \
passthrough=no comment="" disabled=yes
add chain=prerouting in-interface=EthCliente connection-state=new nth=2,2,0 \
action=mark-connection new-connection-mark=EthWan1 passthrough=yes \
comment="" disabled=no
add chain=prerouting in-interface=EthCliente connection-mark=EthWan1 \
action=add-src-to-address-list address-list=EthWan1 \
address-list-timeout=1d comment="" disabled=no
add chain=prerouting in-interface=EthCliente connection-mark=EthWan1 \
action=mark-routing new-routing-mark=EthWan1 passthrough=no \
comment="" disabled=no
add chain=prerouting in-interface=EthCliente connection-state=new nth=2,2,1 \
action=mark-connection new-connection-mark=EthWan2 passthrough=yes \
comment="" disabled=no
add chain=prerouting in-interface=EthCliente connection-mark=EthWan1 \
action=add-src-to-address-list address-list=EthWan2 \
address-list-timeout=1d comment="" disabled=no
add chain=prerouting in-interface=EthCliente connection-mark=EthWan1 \
action=mark-routing new-routing-mark=EthWan2 passthrough=no \
comment="" disabled=no
add chain=prerouting in-interface=EthCliente connection-state=new nth=2,2,2 \
action=mark-connection new-connection-mark=EthWan3 passthrough=yes \
comment="" disabled=no
add chain=prerouting in-interface=EthCliente connection-mark=EthWan3 \
action=add-src-to-address-list address-list=EthWan3 \
address-list-timeout=1d comment="" disabled=no
add chain=prerouting in-interface=EthCliente connection-mark=EthWan3 \
action=mark-routing new-routing-mark=EthWan3 passthrough=no \
comment="" disabled=no
/ip firewall nat
add chain=srcnat connection-mark=EthWan1 action=src-nat \
to-addresses=192.168.1.253 to-ports=0-65535 comment="" disabled=no
add chain=srcnat connection-mark=EthWan2 action=src-nat \
to-addresses=192.168.2.253 to-ports=0-65535 comment="" disabled=no
add chain=srcnat connection-mark=EthWan3 action=src-nat \
to-addresses=192.168.3.253 to-ports=0-65535 comment="" disabled=no
/ip route list
Destination: 0.0.0.0/0
gateway: 192.168.1.254
Mark: EthWan1
Destination: 0.0.0.0/0
gateway: 192.168.2.254
Mark: EthWan2
Destination: 0.0.0.0/0
gateway: 192.168.3.254
Mark: EthWan3