Re: [LARTC] Ethloop?

[Martin Devera <devik@cdi.cz>]

What is the problem ? use cat ethloop_script|./ethloop
for example ..
devik

On Thu, 6 Jun 2002, King Yung Tong wrote:

> Dear all,
>
> I copy a Ethloop script for tc script, but no response???
> Does anyone know how to use ethloop?
>
>
> Ethloop;
> #1st parameter -- time in milliseconds from program start
> #2nd parameter -- operation to do
> #3rd parameter -- flow id
> #4th parameter -- operation dependent
> #
> #e.g 5000 R 2 4500000
> #means at time 5sec set rate of flow 2 to 4.5MBps
> #Time should be in increasing time order
> #Each line is executed at its time and will change the ongoing traffic
> generators
>
> #example1
> #Two flow simulation
> # Two flow simulation
>
> # lo will be used to TX and RX
> 0       i       P 0x10010       lo
> 0       i       P 0x10020       lo
>
> # set simulation packet size to 1k
> 0       S      P 0x10010        1k
> 0       S      P 0x10020   1k
>
> # start both flows
> 0       R      P 0x10010        100k
> 0       R      P 0x10020        100k
>
> # flow 1 to 50k and 10k later
> 2000    R      P 0x10010        50k
> 4000    R      P 0x10020        10k
>
> # finish at 6sec
> 6000    X      0        0
>
>
> tc script:
>
> echo Clean all the tc setup
> ./tc qdisc del dev eth0 root
>
> echo Core router
>
> echo Create qdisc and set default to 1:30
> ./tc qdisc add dev eth1 root handle 1: htb default 30
> ./tc class add dev eth1 parent 1: classid 1:1 htb rate 1.5Mbit burst 50k
>
> echo Create class for EF
> ./tc class add dev eth1 parent 1:1 classid 1:10 htb rate 0.5Mbit ceil
> 0.5Mbit burst 50k prio 1
>
> echo Create class for AF
> ./tc class add dev eth1 parent 1:2 classid 1:20 htb rate 0.5Mbit ceil
> 1Mbit burst 30K prio 1
>
> echo Create class for BE
> ./tc class add dev eth1 parent 1:2 classid 1:30 htb rate 0.3Mbit ceil
> 1Mbit burst 30k prio 2
> ./tc qdisc add dev eth1 parent 1:30 red limit 1800KB min 150KB max 450KB
> burst 200 avpkt 1000 bandwidth 1Mbit probability 0.4
>
> echo Filter
> ./tc filter add dev eth1 parent 1: protocol ip prio 1 u32 match ip tos
> 0xb8 0xff classid 1:10
> ./tc filter add dev eth1 parent 1: protocol ip prio 2 u32 match ip tos 0x0
> 0xff classid 1:20
> ./tc filter add dev eth1 parent 1: protocol ip prio 3 u32 match ip tos
> 0x98 0xff classid 1:30
>
>
> Thank you
>
> Patrick
>
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>
>

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