Load Balancing PCC pada dua koneksi ISP

topologi nyomot dari mikrotik indonesia

MIKROTIK

/ ip address

add address=192.168.123.1/24 interface=LAN

add address=123.255.203.2/28 interface=DataUtama

add address=192.168.1.2/24 interface=Speedy

/ ip firewall mangle

add chain=prerouting dst-address=123.255.203.0/28  action=accept in-interface=LAN

add chain=prerouting dst-address=192.168.1.0/24  action=accept in-interface=LAN

add chain=prerouting in-interface=DataUtama connection-mark=no-mark action=mark-connection \

    new-connection-mark=DataUtama_conn

add chain=prerouting in-interface=Speedy connection-mark=no-mark action=mark-connection \ 

    new-connection-mark=Speedy_conn

add chain=prerouting  in-interface=LAN connection-mark=no-mark dst-address-type=!local \

    per-connection-classifier=both-addresses:3/0 action=mark-connection new-connection-mark=DataUtama_conn 

add chain=prerouting  in-interface=LAN connection-mark=no-mark dst-address-type=!local \ 

    per-connection-classifier=both-addresses:3/1 action=mark-connection new-connection-mark=DataUtama_conn 

add chain=prerouting  in-interface=LAN connection-mark=no-mark dst-address-type=!local \ 

    per-connection-classifier=both-addresses:3/2 action=mark-connection new-connection-mark=Speedy_conn

add chain=prerouting connection-mark=DataUtama_conn in-interface=LAN action=mark-routing \ 

    new-routing-mark=to_DataUtama

add chain=prerouting connection-mark=Speedy_conn in-interface=LAN action=mark-routing \

    new-routing-mark=to_Speedy

add chain=output connection-mark=DataUtama_conn action=mark-routing new-routing-mark=to_DataUtama     

add chain=output connection-mark=Speedy_conn action=mark-routing new-routing-mark=to_Speedy

/ ip route

add dst-address=0.0.0.0/0 gateway=123.255.203.1 routing-mark=to_DataUtama check-gateway=ping

add dst-address=0.0.0.0/0 gateway=192.168.1.1 routing-mark=to_Speedy check-gateway=ping

add dst-address=0.0.0.0/0 gateway=123.255.203.1 distance=1 check-gateway=ping

add dst-address=0.0.0.0/0 gateway=192.168.1.1 distance=2 check-gateway=ping

add dst-address=0.0.0.0/0 gateway=123.255.203.1 distance=2 check-gateway=ping

add dst-address=0.0.0.0/0 gateway=192.168.1.1 distance=1 check-gateway=ping

/ ip firewall nat 

add chain=srcnat out-interface=DataUtama action=masquerade

add chain=srcnat out-interface=Speedy action=masquerade

sumber : http://wiki.mikrotik.com/wiki/Manual:PCC

Topologi tested, LB + FailOver berjalan normal.
next to do , LB proxy external.