> The problem of concatenating qdiscs is actually a little tricky, > because in most such cases, you would want to have some feedback > from the second qdisc to the first, or (worse) some shaping in the > middle, e.g. > > -> PRIO -> TBF -> (needs feedback from TBF to PRIO, or PRIO > forwards packets as soon as they enter) by the way, is there problem to nest classes into TBF (instead of its FIFO) ?