[altq:1861] Re: AltQ - CBQ RIO and Best Effort Flows

[Kenjiro Cho <kjc@csl.sony.co.jp>]

You should use altqstat(1) to see what's going on inside ALTQ.

-Kenjiro


Franck GRIFFON wrote:
> I am using AltQ 3.1 on FreeBSD 4.7.
> 
> The configuration in place is using a DiffServ flow classification with CBQ RIO
> and conditionners. 
> I have limited the bandwidth of the output interface to 64Kbps (ISDN serial link
> used on the path). I have read the limitations in the AltQ tips for such slow links.
> 
> I am using a SmartBit device to generate packets, in order to check the
> behaviour of the configuration. 
> 
> Results are in accordance with awaited behaviour for the EF and AFxx classes.
> However, the Best Effort flows are not dropped (almost not at all); and I would
> like them to be dropped first...
> 
> Do you have any idea why ?
> 
> I have not set any queue/buffer size. A guess could be that the BE buffer is to
> big for such a small bandwidth. How could I decrease it ?
> 
> Any help or idea would be welcomed.
> 
> Thank you very much
> 
> Best Regards
> 
> Franck GRIFFON
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