Re: [Iperf-users] iperf 3.1.3 TCP throughput issue

2018-05-12 Thread Bob McMahon via Iperf-users
The tcptrace tool may provide insights. Also, if you can test without -R then a run with iperf2 and -e could provide confirmation of the expected throughputs and possibly some other information, e.g. the RTT samples. Also, with a

Re: [Iperf-users] iperf 3.1.3 TCP throughput issue

2018-05-12 Thread Kaliaperumal, Rajesh
Thanks Bruce. I had to do MSS mangling to avoid fragmentation of packets after ESP header addition. With single streams I get about 1/3rd of what I get using multiple streams Thanks and regards Rajesh > On May 12, 2018, at 2:34 AM, Bruce A. Mah wrote: > > If memory serves

Re: [Iperf-users] iperf 3.1.3 TCP throughput issue

2018-05-12 Thread Bruce A. Mah
If memory serves me right, Kaliaperumal, Rajesh wrote: > Hi Bruce, > Single stream was pretty low and then I started trying multiple > streams. I am expecting a throughput of the order of 70-100Mbps (my ISP DL > being the limiting factor). Hmmm. I don't have any good explanation

Re: [Iperf-users] iperf 3.1.3 TCP throughput issue

2018-05-09 Thread Kaliaperumal, Rajesh
Hi Bruce, Single stream was pretty low and then I started trying multiple streams. I am expecting a throughput of the order of 70-100Mbps (my ISP DL being the limiting factor). Thanks and regards, Rajesh K On 5/9/18, 4:02 PM, "Bruce A. Mah" wrote: If memory serves

Re: [Iperf-users] iperf 3.1.3 TCP throughput issue

2018-05-09 Thread Bruce A. Mah
If memory serves me right, Kaliaperumal, Rajesh wrote: > Hi all, > >   > > Iperf version – iperf 3.1.3 > >   > > My set up:  iperf server (GCE) <=> Gateway VM (GCE) <=> IPsec server > (GCE) <=> WAN <=> Laptop with IPSec Client > >   > > *My test:* > > Server – /iperf3 -s / > >