From: "Michel Santos" <michel@xxxxxxxxxxxxxx> > > anyway, level 3 switch/bridge understand up to OSI Layer4 and layer 4 > switch/bridge understand up to OSI layer 7 as I said already before > > so you can google for "OSI Layer definition" and see what that is, that > are the differente network layers from hardware up to application layer > I don't need more text book answers. Anyway many thanks for your attempt. This thread is considered closed. Regards.