Re: jitter testing

[Randy Wyatt <rwwyatt01 () gmail com>]

markus sesser wrote:
> Hi,
>
> Do anybody know how to measure delay variation (jitter) in layer2/3 
> networks?
> I'm looking for system- or freeware-tools to do this (no commercial 
> tools!).
>
> What about normal ping test?
> 1000 packets transmitted, 1000 received, 0% packet loss, time 9016ms
> rtt min/avg/max/mdev = 0.194/0.207/0.326/0.015 ms
> --> jitter should be 0.326 - 0.194 = 0.132 ?!?
>
> other suggestions?
>
> thanks,
> markus
What about iperf ?

 http://sourceforge.net/projects/iperf

Regards,
Randy