Re: CBQ filters seem to be ignoring me?

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On Mon, Sep 04, 2000 at 04:49:38PM +0100, Colin Watson wrote:

[CBQ rate-limiting not working - 10.0.0.{10,11} are aliases for
localhost]

> As far as I can tell, this is as expected. However, FTP connections (for
> example) to 10.0.0.{10,11} don't get rate-limited, and tc says that no
> packets have passed through the rate-limiting classes:

Ah. Problem solved, I think, courtesy of some strategically placed
printk()s. Adding 10.0.0.{10,11} as aliases for the local machine added
entries to the local routing table, which gets looked at before any of
the CBQ business. In fact, cbq_classify() was never even being called;
no wonder filters weren't working. So be careful when testing on
localhost.

> I'm rather at a loss as to how to debug this. 'tc -s filter ...' doesn't
> show anything useful, for instance; I'd like to be able to find out
> something about the flow of data through the filters.

I still think this particular type of statistics would be useful,
though.

Thanks,

-- 
Colin Watson                                     <cjw44@flatline.org.uk>
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