Re: tc filter del won't work

Linux Advanced Routing and Traffic Control

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Hi Vincent,
You used the line below to create the filter. All you need to do is to
substitute the add with a del to remove it.
tc filter add dev peth1 parent 1: protocol ip prio 16 u32 match ip src
x.x.x.x flowid 1:1

Unless you are fluent in hexidecimal, I would recommend adding the -p
option as in "tc -p  filter ls dev peth1" to format the output and
make it more readable.

Cheers,

Remy


On 22 October 2013 10:32, Vincent Jancso <vincent.jancso@xxxxxxxxxxxxx> wrote:
> Hi,
>
> I have created a filter with the following command:
>
> tc filter add dev peth1 parent 1: protocol ip prio 16 u32 match ip src x.x.x.x flowid 1:1
>
> And here is the output of "tc filter show dev peth1":
>
> filter parent 1: protocol ip pref 16 u32
> filter parent 1: protocol ip pref 16 u32 fh 800: ht divisor 1
> filter parent 1: protocol ip pref 16 u32 fh 800::800 order 2048 key ht 800 bkt 0 flowid 1:1
>   match 5bd6aaf9/ffffffff at 12
>
> If I have multiple filters, how do I know, which filter is that I configured before?
> And how do I delete only 1 filter?
>
> I tried it with:
>
> tc filter del dev peth1 pref 1 protocol ip handle 800:.800 u32
> But I always get:
> RTNETLINK answers: No such file or directory
> We have an error talking to the kernel
>
> Regards,
>
> Vincent Jancso
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