Tnx Mathieu I will try with pfifo, my voice traffic can be marked with diffserv from the source device, so i´ll try to take advantage of this marked traffic regards --- Mathieu Deziel <mathieu.deziel@xxxxxx> wrote: > Hi Victor, see below. > > > > > >Why not a simple fifo? You can adapt the size of > it > > >from the command line. > > > I want tu use this pfifo queue i know its > hardwired > > and that i need to mark packets here or from the > > source > > in order to use dscp field > > > > The pfifo and bfifo qdiscs are not "hardwired". > Their size is configurable (specified in bytes for > the bfifo, and in number of packets for the pfifo). > The one that is hardwired is the pfifo_fast: it is > the default qdisc, the one that is there when you > don't configure anything. The pfifo_fast has 3 > internal prio > queues. Packets are classified in one of the three > prio queue according to the dscp mark, just like you > said in you previous mail. Yes, to make use of the > priority capability of pfifo_fast, your packets must > marked before they enter the tc software. You can > use iptables to mark the packets before they enter > tc. > > Another thing you can do it make use of the prio > qdisc, and then create your own (u32) filters. You > can then mark the packets with dsmark before the > packets go out, if you want. > > Hope this helps, > Mathieu. > __________________________________________________ Do you Yahoo!? Yahoo! Shopping - Send Flowers for Valentine's Day http://shopping.yahoo.com