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<p class="MsoNormal">Can anyone tell me if iperf3 is designed to be used with cellular technology and if so what command should I be running. I’ve been running these two commands for ethernet and getting great results.<o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:9.0pt;font-family:"Courier New";color:#002060">iperf3 -c xxx.xxx.xxx.xxx -i 2 -t 20 -w 230K -P 3
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<p class="MsoNormal"><i><span lang="EN" style="font-size:12.0pt;font-family:"Arial",sans-serif">LOWELL E. SHARRAH<o:p></o:p></span></i></p>
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<p class="MsoNormal"><i><span lang="EN" style="font-size:12.0pt;font-family:"Arial",sans-serif">221 N Washington Sq. Lansing, MI 48933
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<p class="MsoNormal"><i><span lang="EN" style="font-size:12.0pt;font-family:"Arial",sans-serif">O: (517) 281-1443<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN" style="font-size:12.0pt;font-family:"Arial",sans-serif"><a href="mailto:ls3129@att.com">ls3129@att.com</a><o:p></o:p></span></i></p>
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<p class="MsoNormal"><b>From:</b> Bob McMahon via Iperf-users <iperf-users@lists.sourceforge.net>
<br>
<b>Sent:</b> Sunday, August 07, 2022 12:31 AM<br>
<b>To:</b> iPerf User Group <iperf-users@lists.sourceforge.net><br>
<b>Cc:</b> Rpm <rpm@lists.bufferbloat.net><br>
<b>Subject:</b> [Iperf-users] iperf 2 responsiveness test in 2.1.8-rc, --bounceback option<o:p></o:p></p>
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<p class="MsoNormal">Hi All,<br>
<br>
I've added a low impact, low duty cycle responsiveness test to iperf 2. <a href="https://iperf2.sourceforge.io/iperf-manpage.html">
Man page is here.</a><br>
<br>
[rjmcmahon@bobcat iperf2-code]$ iperf -v<br>
iperf version 2.1.8-rc (6 August 2022) pthreads<br>
<br>
[rjmcmahon@bobcat iperf2-code]$ iperf -s --permit-key=mytest -P 1 --hide-ips<br>
------------------------------------------------------------<br>
Server listening on TCP port 5001<br>
TCP window size: 128 KByte (default)<br>
Permit key is 'mytest' (timeout in 20.0 seconds)<br>
------------------------------------------------------------<br>
<br>
[rjmcmahon@ryzen3950 iperf2-code]$ iperf -c hostname -i 1 --bounceback --permit-key=mytest --hide-ips<br>
------------------------------------------------------------<br>
Client connecting to (**hidden**), TCP port 5001<br>
Bursting: 100 Byte writes 10 times every 1.00 second(s)<br>
Bounce-back test (size= 100 Byte) (server hold req=0 usecs)<br>
TCP window size: 16.0 KByte (default)<br>
------------------------------------------------------------<br>
[mytest(1)] local *.*.*.96 port 38048 connected with *.*.*.123 port 5001 (bb len/hold=100/0) (icwnd/mss/irtt=14/1448/15038)<br>
[ ID] Interval Transfer Bandwidth BB cnt=avg/min/max/stdev Rtry Cwnd/RTT RPS<br>
[mytest(1)] 0.00-1.00 sec 1.95 KBytes 16.0 Kbits/sec 10=11.333/9.247/15.596/2.493 ms 0 14K/11667 us 88 rps<br>
[mytest(1)] 1.00-2.00 sec 1.95 KBytes 16.0 Kbits/sec 10=10.164/9.340/13.791/1.417 ms 0 14K/10374 us 98 rps<br>
[mytest(1)] 2.00-3.00 sec 1.95 KBytes 16.0 Kbits/sec 10=11.301/9.321/14.310/2.010 ms 0 14K/10796 us 88 rps<br>
[mytest(1)] 3.00-4.00 sec 1.95 KBytes 16.0 Kbits/sec 10=11.242/9.432/14.401/2.128 ms 0 14K/10720 us 88 rps<br>
[mytest(1)] 4.00-5.00 sec 1.95 KBytes 16.0 Kbits/sec 10=11.576/9.558/14.442/2.196 ms 0 14K/10821 us 86 rps<br>
[mytest(1)] 5.00-6.00 sec 1.95 KBytes 16.0 Kbits/sec 10=11.310/9.514/14.615/2.151 ms 0 14K/10806 us 88 rps<br>
[mytest(1)] 6.00-7.00 sec 1.95 KBytes 16.0 Kbits/sec 10=10.944/9.310/14.490/2.233 ms 0 14K/10548 us 91 rps<br>
[mytest(1)] 7.00-8.00 sec 1.95 KBytes 16.0 Kbits/sec 10=11.584/9.468/19.286/3.254 ms 0 14K/10794 us 86 rps<br>
[mytest(1)] 8.00-9.00 sec 1.95 KBytes 16.0 Kbits/sec 10=10.987/9.378/14.322/2.139 ms 0 14K/10533 us 90 rps<br>
[mytest(1)] 9.00-10.00 sec 1.95 KBytes 16.0 Kbits/sec 10=11.449/9.930/14.722/2.151 ms 0 14K/10832 us 87 rps<br>
[mytest(1)] 0.00-10.03 sec 19.5 KBytes 15.9 Kbits/sec 100=11.189/9.247/19.286/2.190 ms 0 14K/11083 us 89 rps<br>
[ 1] 0.00-10.03 sec BB8(f)-PDF: bin(w=100us):cnt(100)=93:1,94:9,95:5,96:11,97:9,98:2,99:5,100:6,101:9,102:3,103:3,104:1,105:1,106:2,107:1,115:1,129:1,130:1,132:1,137:1,138:2,139:3,141:4,142:2,143:4,144:3,145:4,147:2,148:1,156:1,193:1 (5.00/95.00/99.7%=94/147/193,Outliers=0,obl/obu=0/0)<br>
<br>
Bob<o:p></o:p></p>
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