GnatGoSplat
Occasional Visitor
On 5GHz Wifi, when I run iperf3 using these switches (-u -b 1G -l 32K -R) which I just saw in someone else's example, I get this result:
Is that showing host-to-receiver, the connection is choking after about 6-seconds? Also why is the summary showing 934 Mbit/sec when each of the individual bandwidth in the 0-10 second test is much less?
If I remove -R for reverse mode, I get numbers and a summary that is more in line with what I would expect:
I don't really understand the -R summary results after what I saw in the individual intervals above it.
Code:
C:\iperf-3.1.3-win64\iperf3 -c 192.168.10.99 -u -b 1G -l 32K -R
Connecting to host 192.168.10.99, port 5201
Reverse mode, remote host 192.168.10.99 is sending
[ 4] local 192.168.10.100 port 50912 connected to 192.168.10.99 port 5201
[ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams
[ 4] 0.00-1.00 sec 25.5 MBytes 214 Mbits/sec 0.905 ms 2163/2980 (73%)
[ 4] 1.00-2.00 sec 29.6 MBytes 248 Mbits/sec 0.567 ms 2659/3606 (74%)
[ 4] 2.00-3.00 sec 30.3 MBytes 254 Mbits/sec 1.814 ms 2603/3572 (73%)
[ 4] 3.00-4.00 sec 30.3 MBytes 254 Mbits/sec 1.108 ms 2608/3578 (73%)
[ 4] 4.00-5.00 sec 7.03 MBytes 59.0 Mbits/sec 2.589 ms 3254/3479 (94%)
[ 4] 5.00-6.00 sec 352 KBytes 2.88 Mbits/sec 7.444 ms 2221/2232 (1e+02%)
[ 4] 6.00-7.00 sec 0.00 Bytes 0.00 bits/sec 7.444 ms 0/0 (0%)
[ 4] 7.00-8.00 sec 64.0 KBytes 525 Kbits/sec 11.675 ms 7192/7194 (1e+02%)
[ 4] 8.00-9.00 sec 0.00 Bytes 0.00 bits/sec 11.675 ms 0/0 (0%)
[ 4] 9.00-10.00 sec 0.00 Bytes 0.00 bits/sec 11.675 ms 0/0 (0%)
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams
[ 4] 0.00-10.00 sec 1.09 GBytes 934 Mbits/sec 11.675 ms 22700/26641 (85%)
[ 4] Sent 26641 datagrams
iperf Done.
Is that showing host-to-receiver, the connection is choking after about 6-seconds? Also why is the summary showing 934 Mbit/sec when each of the individual bandwidth in the 0-10 second test is much less?
If I remove -R for reverse mode, I get numbers and a summary that is more in line with what I would expect:
Code:
C:\iperf-3.1.3-win64\iperf3 -c 192.168.10.99 -u -b 1G -l 32K
Connecting to host 192.168.10.99, port 5201
[ 4] local 192.168.10.100 port 59200 connected to 192.168.10.99 port 5201
[ ID] Interval Transfer Bandwidth Total Datagrams
[ 4] 0.00-1.00 sec 30.2 MBytes 253 Mbits/sec 966
[ 4] 1.00-2.00 sec 33.1 MBytes 277 Mbits/sec 1058
[ 4] 2.00-3.00 sec 31.8 MBytes 267 Mbits/sec 1019
[ 4] 3.00-4.00 sec 30.9 MBytes 258 Mbits/sec 988
[ 4] 4.00-5.00 sec 27.7 MBytes 232 Mbits/sec 886
[ 4] 5.00-6.04 sec 26.2 MBytes 212 Mbits/sec 837
[ 4] 6.04-7.00 sec 27.5 MBytes 239 Mbits/sec 880
[ 4] 7.00-8.01 sec 29.2 MBytes 242 Mbits/sec 933
[ 4] 8.01-9.00 sec 26.6 MBytes 225 Mbits/sec 852
[ 4] 9.00-10.00 sec 27.2 MBytes 229 Mbits/sec 872
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams
[ 4] 0.00-10.00 sec 290 MBytes 244 Mbits/sec 1.474 ms 22/9290 (0.24%)
[ 4] Sent 9290 datagrams
iperf Done.
I don't really understand the -R summary results after what I saw in the individual intervals above it.