Re: I can not set up filters

Linux Advanced Routing and Traffic Control

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Hi,

> qdisc htb 1: r2q 10 default 12 direct_packets_stat 0
>
> with the following classes attached to it
>
> #tc class show dev eth1
> class htb 1:11 parent 1:1 prio 0 rate 80Kbit ceil 800Kbit burst 1575b
> cburst 1969b
> class htb 1:1 root rate 800Kbit ceil 800Kbit burst 1969b cburst 1969b
> class htb 1:10 parent 1:1 prio 0 rate 240Kbit ceil 800Kbit burst 1772b
> cburst 1969b
> class htb 1:12 parent 1:1 prio 0 rate 480Kbit ceil 800Kbit burst 1181b
> cburst 1969b
>
> When I try to attach filters to it i get the following answer:
> # tc filter add dev eth1 protocol ip parent 1:0 prio 1 u32 match ip
> dport 80 0xffff flowid 1:10
> RTNETLINK answers: Invalid argument
>
> What am I doing wrong?

My guess:

You try to attach the filter to the class 1:0. Try attaching it to the
defined root class 1:1, or even better to the subclasses 1:10, 1:11 or 1:12
(think this is what you want).

Greetings,
Bjoern


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