internet on two lan cards

[Imran Imtiaz]

I have three lan cards on my system on which two lan cards have the alive ip now what i want is that how can i gave them different gateways cause i want some traffic to be passed from one lan card (one internet connection of isp) and some other traffic to be passed from other lan card (internet of other companies isp) how is it possibe this is some sort of load balancing ?

regards,
imran imtiaz