You can configure MHSRP to achieve load balancing and to use two or more standby groups as you would normally configure for router.standby 1 preempt, standby 1 ip 171.16.6.100,standby 2 preempt, standby 2 ip 171.16.6.200, standby 2 track serial 0,
standby 2 priority 95.