A method of handling data packets in a series of network switches is disclosed. An incoming data packet is received at a data port of a first switch of the series of network switches and a stack tag is resolved from a header of the incoming data packet. It is then determinined whether an incoming data...http://www.google.de/patents/US7099315?utm_source=gb-gplus-sharePatent US7099315 - Method and apparatus for enabling L3 switching by a network switch in a stacking environment
