$ iperf3 -c ping.online.net -p 5207 -R -u -t10 -b18M
Connecting to host ping.online.net, port 5207
Reverse mode, remote host ping.online.net is sending
[ 7] local 192.168.0.115 port 56355 connected to 62.210.18.40 port 5207
[ ID] Interval Transfer Bitrate Jitter Lost/Total Datagrams
[ 7] 0.00-1.00 sec 1.98 MBytes 16.6 Mbits/sec 0.063 ms 0/1471 (0%)
[ 7] 1.00-2.00 sec 2.15 MBytes 18.0 Mbits/sec 0.055 ms 0/1598 (0%)
[ 7] 2.00-3.00 sec 2.16 MBytes 18.1 Mbits/sec 0.036 ms 0/1607 (0%)
[ 7] 3.00-4.00 sec 2.13 MBytes 17.9 Mbits/sec 0.070 ms 0/1586 (0%)
[ 7] 4.00-5.00 sec 2.14 MBytes 18.0 Mbits/sec 0.104 ms 0/1594 (0%)
[ 7] 5.00-6.00 sec 2.16 MBytes 18.2 Mbits/sec 0.042 ms 0/1612 (0%)
[ 7] 6.00-7.00 sec 2.13 MBytes 17.9 Mbits/sec 0.092 ms 0/1587 (0%)
[ 7] 7.00-8.00 sec 2.13 MBytes 17.9 Mbits/sec 0.116 ms 0/1589 (0%)
[ 7] 8.00-9.00 sec 2.16 MBytes 18.1 Mbits/sec 0.065 ms 0/1609 (0%)
[ 7] 9.00-10.00 sec 2.14 MBytes 17.9 Mbits/sec 0.080 ms 0/1591 (0%)
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Jitter Lost/Total Datagrams
[ 7] 0.00-10.00 sec 21.5 MBytes 18.0 Mbits/sec 0.000 ms 0/15844 (0%) sender
[ 7] 0.00-10.00 sec 21.3 MBytes 17.8 Mbits/sec 0.080 ms 0/15844 (0%) receiver