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root@v3s:~ # iperf3 -c 192.168.1.108
Connecting to host 192.168.1.108, port 5201
[  5] local 192.168.1.105 port 48722 connected to 192.168.1.108 port 5201
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec  1.17 MBytes  9.79 Mbits/sec    0    269 KBytes
[  5]   1.00-2.00   sec   709 KBytes  5.81 Mbits/sec    0    269 KBytes
[  5]   2.00-3.00   sec  1.07 MBytes  8.99 Mbits/sec    0    269 KBytes
[  5]   3.00-4.00   sec  1.09 MBytes  9.13 Mbits/sec    0    269 KBytes
[  5]   4.00-5.00   sec   689 KBytes  5.64 Mbits/sec    0    269 KBytes
[  5]   5.00-6.00   sec  1.23 MBytes  10.3 Mbits/sec    0    269 KBytes
[  5]   6.00-7.00   sec   565 KBytes  4.63 Mbits/sec    0    269 KBytes
[  5]   7.00-8.00   sec   701 KBytes  5.75 Mbits/sec    0    269 KBytes
[  5]   8.00-9.00   sec   753 KBytes  6.17 Mbits/sec    0    269 KBytes
[  5]   9.00-10.00  sec   542 KBytes  4.44 Mbits/sec    0    269 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec  8.43 MBytes  7.07 Mbits/sec    0             sender
[  5]   0.00-10.00  sec  8.34 MBytes  7.00 Mbits/sec                  receiver

iperf Done.
root@v3s:~ # iperf3 -c 192.168.1.108 -R
Connecting to host 192.168.1.108, port 5201
Reverse mode, remote host 192.168.1.108 is sending
[  5] local 192.168.1.105 port 48726 connected to 192.168.1.108 port 5201
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-1.00   sec   530 KBytes  4.34 Mbits/sec
[  5]   1.00-2.00   sec   683 KBytes  5.59 Mbits/sec
[  5]   2.00-3.00   sec   678 KBytes  5.56 Mbits/sec
[  5]   3.00-4.00   sec   710 KBytes  5.82 Mbits/sec
[  5]   4.00-5.00   sec   688 KBytes  5.64 Mbits/sec
[  5]   5.00-6.00   sec   646 KBytes  5.29 Mbits/sec
[  5]   6.00-7.00   sec   729 KBytes  5.97 Mbits/sec
[  5]   7.00-8.00   sec   676 KBytes  5.54 Mbits/sec
[  5]   8.00-9.00   sec   667 KBytes  5.47 Mbits/sec
[  5]   9.00-10.00  sec   675 KBytes  5.53 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-10.00  sec  6.75 MBytes  5.66 Mbits/sec                  sender
[  5]   0.00-10.00  sec  6.53 MBytes  5.47 Mbits/sec                  receiver

iperf Done.

root@v3s:~ # iw wlan0 link
Connected to aa:aa:aa:xx:xx:xx(on wlan0)
        SSID: testssid
        freq: 2462
        RX: 27181928 bytes (25067 packets)
        TX: 38910550 bytes (33613 packets)
        signal: -29 dBm
        rx bitrate: 65.0 MBit/s
        tx bitrate: 72.2 MBit/s

        bss flags:      short-slot-time
        dtim period:    1
        beacon int:     100