Hi Wolfgang,

Thanks for the tip with ttcp, haven't heard of it before. As there are only few 
lines of code, I will give it a try to port it to RTnet as rtttcp. 

> > Tried the known ways like iperf but actually I think the produced traffic 
> > is encapsulated and not send at its optimum.  So I only get something 
> > between 2 and 6 Mbit/s on E1000 driver/PCI cards which is not what I need.
> 
> What protocol do you use?

Actually I'm still using a basic config setup with CYCLETIME=2000, OFFSET=200 
and TYPE=udp packet.

Cheers
 
 
Am Donnerstag, 11. Oktober 2012 21:48 CEST, Wolfgang Grandegger 
<w...@grandegger.com> schrieb: 
 
> Hi Michael,
> 
> On 10/09/2012 12:15 PM, Michael Morscher wrote:
> > Hi there,
> > 
> > What is the best way to measure the bandwidth between two RT Nodes? I've a 
> > setup running two clients and as I'm playing with configuration values for 
> > window sizes etc. I need a way to measure the available bandwidth. ( to get 
> > a better understanding/tuning for my project)
> 
> I would take a simple network benchmark program, e.g. ttcp and port it
> to RTnet. Should not be a big deal, think.
> 
> > Tried the known ways like iperf but actually I think the produced traffic 
> > is encapsulated and not send at its optimum.  So I only get something 
> > between 2 and 6 Mbit/s on E1000 driver/PCI cards which is not what I need.
> 
> What protocol do you use?
> 
> Wolfgang.
> 
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