Re: [LARTC] tc filter problem

[gypsy <gypsy@iswest.com>]

jeremy@ossnetworks.org wrote:
> 
> Hi,
> 
> I'm using a linux 2.4.29 kernel and having trouble getting my filters added. The
> script I'm editing I actually use on a different system currently. Is this a
> tc/iproute/kernel type incompatibility? Any ideas how to debug it?
> 
> Thanks, Jeremy
> 
> # create a qdisc on T1 interface
> tc qdisc add dev w1g1 root handle 1: htb default 77
> OK
> 
> # create a master class
> tc class add dev w1g1 parent 1: classid 1:1 htb rate 1400kbit
> OK
> 
> # create a leaf class
> tc class add dev w1g1 parent 1:1 classid 1:10 htb rate 175kbit \
>      ceil 1400kbit prio 0
> OK
> 
> # create a SFQ qdisc within our subclass
> tc qdisc add dev w1g1 parent 1:10 handle 10: sfq perturb 10
> OK
> 
> # filter traffic on iptables mark 10
> tc filter add dev w1g1 parent 1:0 prio 0 protocol ip handle 10 fw flowid 1:10
> Error: RTNETLINK answers: Invalid argument

I just ran that script on a 2.4.32 kernel and it does not error.  Be
sure to destruct before running:
tc qdisc del dev w1g1 root

I doubt that the above is everything in your script.  Because there is a
problem with prio 49152 (tc -s filter show dev w1g1), my hunch is that
you will find that "prio 0" is the problem.  Try E.G. "prio 9" for all
your filter lines.

(Rhetorical: What device is w1g1?)
--
gypsy
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