1. An information handling system comprising: a management switch; and a plurality of management controllers coupled to the management switch to form a management network; wherein a first management controller of the plurality of management controllers: receives from the management switch a first list of active ports, wherein each particular active port is coupled to an associated second management controller of the plurality of management controllers; receives from the management switch a plurality of second lists, one for each particular active port in the first list, each second list including an identification for the associated second management controller; determines a map of the management network based upon the first list and the plurality of second lists; and controls operation of the plurality of management controllers based upon the map.