If memory serves me right, Kasper Biegun wrote: > currently I'm working on project connected with testing UDP throughput > for different QoS values. To get the needed results I have to use Best > Effort (0x70), Background (0x28), Voice (0xc0) and Video (0xb8) traffic > at the same time. I have troubles with running them, because one stream > was waiting for another to finish or if they started - only one was > working (the rest had 0 bandwidth). Then I updated iperf to newest > version available on github and installed it. Now, for testing purposes, > I am running only Voice and Video at the same time, and I am still > getting the same issue - one transfer is waiting for the second one to > finish. > > I am using commands: > > - on server: #iperf3 -s -p 5015 and #iperf -s -p 5020 > > - on transmitter: #iperf3 -c 10.10.0.1 -p 5015 -S 192 --bind > 10.10.0.2 --cport 5013 -u -b 1000m and > > #iperf3 -c 10.10.0.1 -p 5020 -S 184 --bind 10.10.0.2 --cport > 5018 -u -b 1000m > > Server is working on Ubuntu 16.04 and transmitter is on Raspberry Pi 3. > > > Could you please help me with that?
Hi Kasper-- Is it possible that one test is starving the other? What is the bandwidth on the path between your server and client? (For what it's worth you're setting up the tests correctly by using two independent sets of client and server.) Bruce.
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