Mikrotik Load Balancing How To
/ ip address
add address=192.168.1.5/24 network=192.168.1.0 broadcast=192.168.1.255 interface=LAN
add address=192.168.3.2/24 network=192.168.3.0 broadcast=192.168.3.255 interface=ISP1
add address=192.168.2.2/24 network=192.168.2.0 broadcast=192.168.2.255 interface=ISP2
/ ip firewall mangle
add chain=prerouting dst-address=192.168.1.0/24 action=accept in-interface=LAN
add chain=prerouting dst-address=192.168.5.0/24 action=accept in-interface=LAN
add chain=prerouting in-interface=ISP1 connection-mark=no-mark action=mark-connection new-connection-mark=ISP1_conn
add chain=prerouting in-interface=ISP2 connection-mark=no-mark action=mark-connection new-connection-mark=ISP2_conn
add chain=prerouting in-interface=LAN connection-mark=no-mark dst-address-type=!local per-connection-classifier=both-addresses:2/0 action=mark-connection new-connection-mark=ISP1_conn
add chain=prerouting in-interface=LAN connection-mark=no-mark dst-address-type=!local per-connection-classifier=both-addresses:2/1 action=mark-connection new-connection-mark=ISP2_conn
add chain=prerouting connection-mark=ISP1_conn in-interface=LAN action=mark-routing new-routing-mark=to_ISP1
add chain=prerouting connection-mark=ISP2_conn in-interface=LAN action=mark-routing new-routing-mark=to_ISP2
add chain=output connection-mark=ISP1_conn action=mark-routing new-routing-mark=to_ISP1
add chain=output connection-mark=ISP2_conn action=mark-routing new-routing-mark=to_ISP2
/ ip route
add dst-address=0.0.0.0/0 gateway=192.168.1.254 routing-mark=to_ISP1 check-gateway=ping
add dst-address=0.0.0.0/0 gateway=192.168.5.1 routing-mark=to_ISP2 check-gateway=ping
add dst-address=0.0.0.0/0 gateway=192.168.1.254 distance=1 check-gateway=ping
add dst-address=0.0.0.0/0 gateway=192.168.5.1 distance=2 check-gateway=ping
/ ip firewall nat
add chain=srcnat out-interface=ISP1 action=masquerade
add chain=srcnat out-interface=ISP2 action=masquerade
exempt 1
/ip firewall address-list add list=site-exempted-from-pcc address=72.29.71.155
/ip firewall mangle add action=accept chain=prerouting disabled=no dst-address-list=site-exempted-from-pcc
exempt 2
/ip firewall mangle
add action=mark-connection chain=prerouting dst-address=72.29.71.155 in-interface=ISP1 new-connection-mark=ISP1_conn passthrough=yes
add action=mark-connection chain=prerouting dst-address=72.29.71.155 dst-address-type=!local in-interface=LAN new-connection-mark=ISP1_conn passthrough=yes per-connection-classifier=both-addresses:2/0
