The present invention pertains to a method for performing specific data forwarding actions depending on the nature of data traffic comprising data packets, which method comprises the steps of: —receiving incoming data traffic of a specific nature, belonging to at least a specific class among a number of pre-defined classes, step 101—classifying the data traffic by determining the nature of the data traffic, step 102, provided by a process of inspecting values of one or more selected header field(s) of an address space of a data packet and selecting a first matching class from an ordered list of classes providing multi-dimensional classification, step 103.