<body style="font-family:Arial;font-size:14px">Hi I need to configure two physical servers as active-active cluster and configure Loadbalancing with High availabiltiy for Nagios. Can somebody help me how to achieve this. I have checked some of loadbalancing modules like mod_gearmen, merlin and DNX. If any one knows about the difference between these modules please let me know. Rgds, Aravind M D</body>