1. A switch comprising: an ingress port receiving an incoming call; a first server storing routing information; a switching fabric coupled to the ingress port and coupled to the first server, the switching fabric generating a switched call by switching the incoming call in response to the routing information; an egress port coupled to the switching fabric, the egress port communicating an outgoing call in response to the switched call; and a second server coupled to the first server, the second server generating learned information in response to the routing information stored in the first server and in response to the switched call.