[Devel] Re: [HELP] for using class group classifier network controller

Minoru Usui usui at mxm.nes.nec.co.jp
Wed Jun 17 21:13:00 PDT 2009


> when I set the classid to 0x10010, class 1:10's packet count was increased. 
> But, according to your configuration, every packet has to flowed to 1:10 class. 

Yes, you are right.

> Of course I know that the net_cls can't classify all packet because of the getting classid from the current task. 
> Even though we consider it, Many packets are flowed to 1:30 class. 
> therefore, the rate of the socket showed about 30mbps. This is the 1:30 class's rate.
> I think it's because that 1:30 class is the default class. 
> When I changed the default to 20, the rate was varied to 20mbps, class 1:20's rate.
>
> 
> To measure this rate, I used the iperf and scp command. Two results are the same.
> How about your experiment's result? 
> Would you check the accurate rate of the network using applications like a iperf?

I did same experience with nuttcp, I observed the same result, too.
(Almost packets were classified into default classid.)
 
> By the results of my experiments, net_cls couldn't control the network rate of the group. 
> What is your opinion?

I agree with you.
I'm going to investigate this problem. 

-- 
Minoru Usui <usui at mxm.nes.nec.co.jp>
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