WAN_1 80.80.80.80/30 GATEWAY1 80.80.80.81 ether2
WAN_2 70.70.70.70/19 GATEWAY2 70.70.64.1 ether3
WAN_3 70.70.95.250/19 GATEWAY2 70.70.64.1 ether4
LAN_1 192.168.1.0/24 ether5
LAN_2 172.16.0.1/24 ether7
LAN_3 172.16.1.0/24 ether8
/ip firewall mangle add action=mark-routing chain=prerouting in-interface=ether5 new-routing-mark=to_Wan1
/ip firewall mangle add action=mark-routing chain=prerouting in-interface=ether7 new-routing-mark=to_Wan2
/ip firewall mangle add action=mark-routing chain=prerouting in-interface=ether8 new-routing-mark=to_Wan3
/ip route add distance=1 gateway=GATEWAY1
/ip route add distance=1 gateway=GATEWAY2%ethr3 routing-mark=to_Wan2
/ip route add distance=1 gateway=GATEWAY2%ethr4 routing-mark=to_Wan3
ping GATEWAY2
ping work
ping GATEWAY2 via ethr3
ping work
ping GATEWAY2 via ethr4
ping not work
ping 8.8.8.8 via all ethr
work
Help me find a solution to the problem