Fatih Düzova wrote:
Hi,
I implemented queues on some ports with htb by filtering. and to have
a constant bw, i defined rate and ceil the same. But while watching
the bw's, I ve realized they may sometimes exceed the defined value
for short periods.
How are you measuring this and what rates do you use?
How could I avoid this situation? I thought that
implementing a leaky bucket'd be fine but i m not sure about this and
how to do it on tc.
I would be glad if anyone could help me. Thanks,
There are a few things you can do - I don't know if you really need to.
You could specify burst 10b cburst 10b quantum 1500 on the leaf classes.
There is also a setting - HYSTERESIS in the defines in
net/sched/sch_htb.c that when changed to 0 (need to recompile
kernel/module) makes htb a bit more accurate - though I never noticed it
affecting rates as such.
Andy.
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