Setting this variable to forward (1), will forward all packets that match on a single filter. Setting this variable to discard (3), will discard all packets that match on a single filter. Setting this variable to disable (2), will only forward or discard packets according to the learning tables. Setting this variable to alone (4), the packets are filtered with the private filter (forward) and than filtered with the normaly filter. Setting this variable to channel (5), between the ports hirmaFilterPortIn and hirmaFilterPortOut exists a channel. Setting this variable to delete (6), the filter entry will be deleted from the filter structure. Note: One single filter is defined as a set of hirmaFilterDest, hirmaFilterSrc, hirmaFilterType and hirmaFilterPortIn, where each entry may also be left unused. Forward on match will forward all packets to the specified output port(s). Discard on match will discard all packets regardless to any specified output port(s).