4. The method of claim 1 wherein storing the multi-rule header of the multi-rule further includes, given key matching rules each having at least one dimension, storing, consecutively, an enable value for each dimension in which storing a first value for the enable value corresponding to a subject dimension enables matching of the subject dimension, while storing a second value instead of the first value disables matching of the subject dimension.
4. The method of claim 1 wherein storing the multi-rule header of the multi-rule further includes, given key matching rules each having at least one dimension, storing, consecutively, an enable value for each dimension in which storing a first value for the enable value corresponding to a subject dimension enables matching of the subject dimension, while storing a second value instead of the first value disables matching of the subject dimension. 6. The method of claim 4 wherein disabling matching of the subject dimension further includes instructing a decoder not to assign a dimension match engine to the subject dimension.