← Back to team overview

opensand team mailing list archive

iperf and opensand-collector show different results

 

Hi,

we have tried to changed the maximum value of RBDC and the rt_fixed_bandwidth : when the RBDC value is higher than the throughput we set up with iperf, the "Throughputs.gw_from_SAT" from the collector is approximately the same in average than the throughput we set, as expected.

Iperf is showing different results though : lower throughputs received by gw, datagrams loss. We have to change the value of rt_fixed_bandwidth simultaneously, or to set the RBDC_max significantly higher than the throughput we want to send (when we send 4000kps with a 4500kps RBDC_max for 10s, 0% loss for 4s then 15% loss).

How come ?

Thanks in advance,

Jonas & François.


Follow ups