The virtual IP (VIP) address that is assigned to a load balancer is the front-end address for a service. The dedicated IP ...

The virtual IP (VIP) address that is assigned to a load balancer is the front-end address for a service. The dedicated IP addresses that are assigned to the virtual machines in a service tier are the back-end addresses. Specify from which logical networks VMM should assign the front-end and back-end IP addresses. If you do not select at least one front-end and back-end logical network affinity, the load balancer will not be selected during placement.