Re: [LARTC] HTB and tc filter

[gypsy <gypsy@iswest.com>]

> d3xcrIpt wrote:
> 
> Help me  ...
> 
> I try use the tc filter, but seems he doesn't work, I already
> reconfigured my kernel ( 2.4.32 ) with all options related a QOS
> enabled ( like modules ) and nothing happens. I get the tc tool from
> HTB source package, well  this is my set :
> 
> eth0 is my internal NIC.
> 
> tc qdisc add dev eth0 root handle 1: htb default 12
> 
> tc class add dev eth0 parent 1: classid 1:1 htb rate 100kbps ceil
> 100kbps
> tc class add dev eth0 parent 1:1 classid 1:10 htb rate 30kbps ceil
> 100kbps
> tc class add dev eth0 parent 1:1 classid 1:11 htb rate 10kbps ceil
> 100kbps
> tc class add dev eth0 parent 1:1 classid 1:12 htb rate 60kbps ceil
> 100kbps
> 
> tc filter add dev eth0 protocol ip parent 1:0 prio 1 u32 match ip src
> <my_ip> flowid 1:10
> 
> tc qdisc add dev eth0 parent handle 20: pfifo limit 5
> tc qdisc add dev eth0 parent handle 30: pfifo limit 5
> tc qdisc add dev eth0 parent handle 40: sfq perturb 10
> 
> OK. but ... when I look the qdiscs
> 
> tc -s -d qdisc
> qdisc htb 1: r2q 10 default 12 direct_packets_stat 411 ver 3.17
>  Sent 181174 bytes 1324 pkts (dropped 0, overlimits 0)
> 
>  qdisc pfifo 20: parent 1:10 limit 5p
>  Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
> 
>  qdisc pfifo 30: parent 1:11 limit 5p
>  Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
> 
>  qdisc sfq 40: parent 1:12 quantum 1514b limit 128p flows 128/1024
> perturb 10sec
>  Sent 130091 bytes 866 pkts (dropped 0, overlimits 0)
> 
> All traffic is going to default class ( 1:12 ),  I try many filters
> with tc tool but nothing happens.
> I look the modules with lsmod and "cls_u32.o" and "sch_htb.o" is all
> loaded.
> 
> Thanks everyone.

"u32 match ip src <my_ip>"

Are you sure your IP isn't getting NATted somewhere?  You can't match
something that is changed!

Include a "prio" (non zero) in your filter line.

Direct packets are A Bad Thing too.  Read Devik's HTB documentation.
--
gypsy
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