Hello!
> What I intend doing is have a set of classes (just 2 currently) and give
> higher priority to one class. At the same time, I intend to throttle the
> rate at which the boxes send using a TBF. I have attached the script I
> used for this purpose at the end of this mail. I ran this script on one
> machine only, as I wanted to test the throughput in one direction only.
First, look not at rates shown by ttcp, but at class statistics.
("tc -s ..."). Probably, it will show something unexpected.
Second, setup rate estimator adding "est 1 8" to command line,
when creating classes.
Third, remove TBF. It is redundant with bounded CBQ.
After this repeat the experiment. I see no mistakes in your configuration,
but I still think the reason is here. BTW look at packet lossage,
it is more important sign that rate.
Actually, CLIP is difficult case. It is passive device
(rather it is not device, but tunnel), which does not generate
end of service events, so that CBQ and TBF have to rely only on timers.
It means, that it is very sensitive to the choice of parameters.
Alexey
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