lb_algodetermines which real server gets to serve a request, and possible algorithms include round-robin (weighted or not), least-connections (weighted or not), etc (see RHEL docs).
lb_kinddetermines how the real server receives the request, and the supported methods on RHEL 7 are NAT and DR.
- The load balancers and the real servers need to be on the same network segment
- The Virtual IP is configured on all real servers, and real servers need to
be configured to ignore ARP requests for the virtual IP. This can be
achieved with either