Re: [LARTC] HTB in a bridge+trunk

[Stef Coene <stef.coene@docum.org>]

On Monday 22 September 2003 13:37, kristiadi himawan wrote:
> Dear All,
>
> Sorry if my question here ever asked before by someone else.
>
> I have configuration like this :
>                      |---------trunking------|
>
>                     V  eth0         eth1  V
>          router<--->bridge with htb<--->switch
> 202.xx.xx.227
>
> #!/bin/bash
> tc qdisc del dev eth0 root handle 1:
> tc qdisc add dev eth0 root handle 1: htb default 10
> tc class add dev eth0 parent 1: classid 1:1 htb rate 32kbit ceil 32kbit
> tc class add dev eth0 parent 1:1 classid 1:10 htb rate 24kbit ceil 24kbit
> tc class add dev eth0 parent 1:1 classid 1:20 htb rate 8kbit ceil 8kbit
> tc filter add dev eth0 parent 1: protocol ip prio 1 u32 match ip dst
> 202.xx.xx.227 flowid 1:20
>
> I already patch kernel and tc with htb3.6-020525.tgz from htb website.
>
> Here is the result when there's traffic to 202.xx.xx.227, it should go to
> 1:20, but fill class 1:10 (red sign).
>
> ### eth0: queueing disciplines
> qdisc htb 1: r2q 10 default 10 direct_packets_stat 0
>  Sent 584256 bytes 881 pkts (dropped 0, overlimits 1113)
>  backlog 35p
>
> ### eth0: traffic classes
> class htb 1:1 root rate 32Kbit ceil 32Kbit burst 1639b cburst 14704b
>  Sent 554186 bytes 846 pkts (dropped 0, overlimits 0)
>  rate 3040bps 3pps
>  lended: 0 borrowed: 0 giants: 0
>  tokens: -7997 ctokens: 8145
> class htb 1:10 parent 1:1 prio 0 rate 24Kbit ceil 24Kbit burst 1629b cburst
> 1629b Sent 584256 bytes 881 pkts (dropped 0, overlimits 0)
>  rate 3040bps 3pps backlog 35p
>  lended: 846 borrowed: 0 giants: 0
>  tokens: -447876 ctokens: -447876
> class htb 1:20 parent 1:1 prio 0 rate 8Kbit ceil 8Kbit burst 1609b cburst
> 1609b Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
>  lended: 0 borrowed: 0 giants: 0
>  tokens: 1287999 ctokens: 1287999
>
> ### eth0: filtering rules
> filter parent 1: protocol ip pref 1 u32
> filter parent 1: protocol ip pref 1 u32 fh 800: ht divisor 1
> filter parent 1: protocol ip pref 1 u32 fh 800::800 order 2048 key ht 800
> bkt 0 flowid 1:20 match ca2ba0e3/ffffffff at 16
>
>
> Why when i put htb on eth0 to filter class 1:20 the shaping always goes to
> default class 1:10 not 1:20 class, the same problem occur when i put htb on
> eth1? I already patch the kernel with 3c95x vlan patch too.
> Any idea why the filter not working properly or i need another patch to get
> u32 working in bridging+trunking or i must replace u32 filter with fwmark
> from ebtables?
See this faq entry (last line), maybe that's the solution :
http://www.docum.org/stef.coene/qos/faq/cache/41.html

Stef

-- 
stef.coene@docum.org
 "Using Linux as bandwidth manager"
     http://www.docum.org/
     #lartc @ irc.openprojects.net

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