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Re: Diffserv over ATM not really supported by Linux??

Joachim Hillebrand wrote:
> 2.) We have tried to use the ATM queuing discipline. This works fine,
>     but it is not possible to mark the packets, because marking is done
>     at the "dequeue-function". But the packets never get that function
>     (no matter how many qdisc you nest into each other), because 
>     they leave earlier via ATM queueing discipline. (According to
>     ftp://lrcftp.epfl.ch/pub/linux/diffserv/misc/dsid-01.txt).

Yep, if you're not afraid of slightly monstrous configurations, you
can try this:

dsmark for retrieving the DSCP
  prio/cbq for the queues
    sch_atm for ATM
      dsmark for marking

- Werner

 / Werner Almesberger, ICA, EPFL, CH       werner.almesberger@ica.epfl.ch /