Tuesday, January 23, 2024

Load balance Over Multiple Gateways (2 WAN) in Mikrotik



/ip address add address=10.20.30.1/24 network=10.20.30.0 broadcast=10.20.30.255 interface=Local add address=192.168.10.2/24 network=192.168.10.0 broadcast=192.168.10.255 interface=WAN1 add address=192.168.188.2/24 network=192.168.188.0 broadcast=192.168.188.255 interface=WAN2 /ip dns set allow-remote-requests=yes cache-max-ttl=1w cache-size=5000KiB max-udp-packet-size=512 servers=8.8.8.8,8.8.4.4 /ip firewall mangle add chain=input in-interface=WAN1 action=mark-connection new-connection-mark=WAN1_conn add chain=input in-interface=WAN2 action=mark-connection new-connection-mark=WAN2_conn add chain=output connection-mark=WAN1_conn action=mark-routing new-routing-mark=to_WAN1 add chain=output connection-mark=WAN2_conn action=mark-routing new-routing-mark=to_WAN2 add chain=prerouting dst-address=10.20.30.0/24 action=accept in-interface=local add chain=prerouting dst-address=10.20.30.0/24 action=accept in-interface=local add chain=prerouting dst-address-type=!local in-interface=Local per-connection-classifier=both-addresses-and-ports:2/0 action=mark-connection new-connection-mark=WAN1_conn passthrough=yes add chain=prerouting dst-address-type=!local in-interface=Local per-connection-classifier=both-addresses-and-ports:2/1 action=mark-connection new-connection-mark=WAN2_conn passthrough=yes add chain=prerouting connection-mark=WAN1_conn in-interface=Local action=mark-routing new-routing-mark=to_WAN1 add chain=prerouting connection-mark=WAN2_conn in-interface=Local action=mark-routing new-routing-mark=to_WAN2 /ip routeß add dst-address=0.0.0.0/0 gateway=192.168.10.1 routing-mark=to_WAN1 check-gateway=ping add dst-address=0.0.0.0/0 gateway=192.168.188.1 routing-mark=to_WAN2 check-gateway=ping add dst-address=0.0.0.0/0 gateway=192.168.10.1 distance=1 check-gateway=ping add dst-address=0.0.0.0/0 gateway=192.168.188.1 distance=2 check-gateway=ping /ip firewall nat add chain=srcnat out-interface=WAN1 action=masquerade add chain=srcnat out-interface=WAN2 action=masquerade

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