Management data is supplied to a management agent by a network switch by generating management packets having at least a portion of a received data packet, and management information specifying receive status and network switch response characteristics to the corresponding received data packet. The network...http://www.google.se/patents/US6151316?utm_source=gb-gplus-sharePatent US6151316 - Apparatus and method for synthesizing management packets for transmission between a network switch and a host controller
