Re: [LARTC] Please i don't understand CBQ at all

Linux Advanced Routing and Traffic Control

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Thanks for answer my question, but...

If i want to be more specific in my ipchains rules, and i want to
control the output bandwidth of eth1 card (that means the input traffic
of eth0 card), must i make a setup like this?


Internet eth0 (207.87.93.32)|---------| eth1     /--- 10.10.10.0/28
(intranet - PRIVATE addresses)
        --------------------|  LINUX  |-----<HUB>  
        	            |---------| eth1:0   \--- 63.121.156.184/29
(intranet - Voice Service -
PUBLIC                                         (Virtual Interface) 

WHAT AM I CONTROLING HERE? OUTGOING OF ETH0?

ipchains -A input i eth1 -s 207.87.93.32 -d 0/0 -j ACCEPT -m 1
ipchains -A input i eth1 -s 10.10.10.0/28 -d 0/0 -j ACCEPT -m 1

tc qdisc add dev eth0 root handle 10: cbq bandwidth 10Mbit avpkt 1000
tc class add dev eth0 parent 10:0 classid 10:1 cbq bandwidth 10Mbit rate
10Mbit allot 1514 weight 1Mbit \ 			prio 8 maxburst 20 avpkt 1000
tc class add dev eth0 parent 10:1 classid 10:100 cbq bandwidth 10Mbit
rate 64Kbit allot 1514 weight 6Kbit \ 			prio 5 maxburst 20 avpkt 1000
bounded
tc qdisc add dev eth0 parent 10:100 sfq quantum 1514b perturb 15
tc filter add dev eth0 protocol ip handle 1 fw classid 10:100


WHAT AM I CONTROLING HERE? OUTGOING OF ETH1?

ipchains -A input -i eth0 -d 207.87.93.32 -j ACCEPT -m 2
ipchains -A input -i eth0 -d 10.10.10.0/28 -j ACCEPT -m 2
 
tc qdisc add dev eth1 root handle 20: cbq bandwidth 10Mbit avpkt 1000
tc class add dev eth1 parent 20:0 classid 20:1 cbq bandwidth 10Mbit rate
10Mbit allot 1514 weight 1Mbit \ 			prio 8 maxburst 20 avpkt 1000
tc class add dev eth1 parent 20:1 classid 20:100 cbq bandwidth 10Mbit
rate 64Kbit allot 1514 weight 6Kbit \ 			prio 5 maxburst 20 avpkt 1000
bounded
tc qdisc add dev eth1 parent 20:100 sfq quantum 1514b perturb 15
tc filter add dev eth1 protocol ip handle 2 fw classid 20:100


Thanks

Alexandra

Stef Coene wrote:
> 
> Alexandra Alvarado wrote:
> >
> > Hello,
> >
> > I need somebody to help me with an example that control incoming packets
> > to 64Kbit and outgoing packets to 64Kbit from external interface of the
> > linux but using ipchains rules.
> You can't control incoming bandwidth.  For outgoing bandwidth :
> 
> - mark the packets witm -m option of ipchains :
>        ipchains -A output -p tcp -m 1
> 
> - use the mark in a filter :
>        tc filter add $DEV parent 10: protocol ip prio 3 handle 1 fw
> classid 10:2
> 
> - set up a bounded class 10:2 :
>        tc qdisc add $DEV root handle 10: cbq bandwidth 10mbit avpkt 1000
>        tc class add $DEV parent 10:0 classid 10:2 cbq bandwidth 10mbit
> rate 64kbit allot 1514 maxburst 20 avpkt 1000 prio 4 isolated bounded
> 
> --
> 
> Stef
> 
> More QOS info : http://users.belgacom.net/staf/



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