A computer implemented method, a tangible computer readable medium, and a data processing system intelligently propagate link status information received by a blade server to the various ports of an embedded multi-port switch. The link status of a switch port in an external switch module can be communicated...http://www.google.se/patents/US7996594?utm_source=gb-gplus-sharePatent US7996594 - Interrupt-driven link status feedback mechanism for embedded switches
