Re: Weird traffic shaping behavior after kernel upgrade

Linux Advanced Routing and Traffic Control

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Hi again,

Disregard my previous email. It seems that you have to reload your htb
qdisc, class and filter rules after updating the kernel htb_rate_est
parameter.

On 6 January 2014 12:17, Remy Mudingay <remy.mudingay@xxxxxxxxx> wrote:
> Hi again,
>
> Disregard my previous email. It seems that you have to reload your htb
> qdisc, class and filter rules after updating the kernel htb_rate_est
> parameter.
>
> Remy
>
>
> On 6 January 2014 11:58, Remy Mudingay <remy.mudingay@xxxxxxxxx> wrote:
>>
>> Hi Hoggins,
>>
>> Maybe it's a bug but try setting it a couple of times. Do something like
>>
>> For i in 1 2 3 4; do
>> echo 1 > /sys/module/sch_htb/parameters/htb_rate_est
>> done
>>
>> I've just tested it in a 3.12.1 kernel.
>>
>> Ref: http://patchwork.ozlabs.org/patch/249551/
>>
>> Let us know how it goes.
>>
>> Remy
>>
>> Sent from my Phone
>>
>> > On 06 Jan 2014, at 09:59, "Hoggins!" <fuckspam@xxxxxxxxxxx> wrote:
>> >
>> > Hello,
>> >
>> > Thanks for the help !
>> > Unfortunately, setting this parameter to 1 does not make the rate
>> > indicators change from zero. Strange.
>> > The "Sent" counters do change over time, so I guess the traffic is
>> > actually shaped, but maybe in a different way that I was used to. There
>> > may also be another variable that I don't master, but I cannot see what
>> > for the moment.
>> >
>> > How can I track any other change that would have happened on the Linux
>> > traffic classifier and HTB between these two kernel versions ?
>> >
>> > Le 06/01/2014 02:50, Remy Mudingay a écrit :
>> >> Hi Hoggins,
>> >>
>> >> The rate estimator was disabled in kernel 3.12. You can re-enable it
>> >> by doing the following :
>> >>
>> >> echo 1 > /sys/module/sch_htb/parameters/htb_rate_est
>> >>
>> >> I hope that helps.
>> >>
>> >> Cheers,
>> >>
>> >>
>> >> Remy
>> >
>> > --
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>
>
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