Re: tc filter show dev xxx doesn't output anything

Linux Advanced Routing and Traffic Control

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Hi,

On 05/23, Lee Brown wrote:
> Hi,
> 
> I've only played around with filters before, but I seem to remember
> that 'tc filter show dev eth0' used to display all the filters.  Now
> there is no output at all.  I moved from Centos5 (2.6.18) to 6
> (2.6.32) so I've no clue where this was introduced.  Same happens on
> slackware 14.1 (3.10.17) there's no output.
> 
> Is the new behaviour intentional?

It's probably a bug but it hasn't been working for a really long time
now. In fact I can't remember it ever outputting anything at all (at
least since Debian etch). The TC framework is a piling mass of spagetti
code with almost no maintenance done. People keep adding qdiscs but as
far as I know nobody runs comprehensive test cases to ensure stuff does
not break.

All best,
Ben
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