Для Билайна.

C:\Users\user>iperf -c sock.corbina.ru -u -b 80000000 -p 50000
------------------------------------------------------------
Client connecting to sock.corbina.ru, UDP port 50000
Sending 1470 byte datagrams
UDP buffer size: 8.00 KByte (default)
------------------------------------------------------------
[288] local 192.168.0.102 port 53498 connected with 85.21.78.80 port 50000
write failed: Invalid argument.
[ ID] Interval       Transfer     Bandwidth
[288]  0.0- 2.0 sec  4.95 MBytes  20.7 Mbits/sec
[288] WARNING: did not receive ack of last datagram after 10 tries.
[288] Sent 3535 datagrams

C:\Users\user>iperf -c sock.corbina.ru -u -b 80000000 -p 50000
------------------------------------------------------------
Client connecting to sock.corbina.ru, UDP port 50000
Sending 1470 byte datagrams
UDP buffer size: 8.00 KByte (default)
------------------------------------------------------------
[288] local 192.168.0.102 port 53499 connected with 85.21.78.80 port 50000
write failed: Invalid argument.
[ ID] Interval       Transfer     Bandwidth
[288]  0.0- 0.0 sec  1.44 KBytes   754 Kbits/sec
[288] Server Report:
[288]  0.0- 0.0 sec  1.44 KBytes   604 Kbits/sec  0.000 ms    1/    2 (50%)
[288] Sent 2 datagrams

C:\Users\user>iperf -c sock.corbina.ru -u -b 80000000 -p 50000
------------------------------------------------------------
Client connecting to sock.corbina.ru, UDP port 50000
Sending 1470 byte datagrams
UDP buffer size: 8.00 KByte (default)
------------------------------------------------------------
[288] local 192.168.0.102 port 53500 connected with 85.21.78.80 port 50000
[ ID] Interval       Transfer     Bandwidth
[288]  0.0-10.0 sec  25.2 MBytes  21.1 Mbits/sec
[288] Server Report:
[288]  0.0-10.3 sec  51.7 KBytes  41.2 Kbits/sec  565.775 ms 17948/17984 (1e+002
%)
[288] Sent 17984 datagrams

C:\Users\user>iperf -c sock.corbina.ru -u -b 80000000 -p 50000
------------------------------------------------------------
Client connecting to sock.corbina.ru, UDP port 50000
Sending 1470 byte datagrams
UDP buffer size: 8.00 KByte (default)
------------------------------------------------------------
[288] local 192.168.0.102 port 53501 connected with 85.21.78.80 port 50000
[ ID] Interval       Transfer     Bandwidth
[288]  0.0-10.0 sec  24.6 MBytes  20.6 Mbits/sec
[288] Server Report:
[288]  0.0-10.3 sec  44.5 KBytes  35.5 Kbits/sec  494.570 ms 17534/17565 (1e+002
%)
[288] Sent 17565 datagrams

C:\Users\user>iperf -c sock.corbina.ru -u -b 80000000 -p 50000
------------------------------------------------------------
Client connecting to sock.corbina.ru, UDP port 50000
Sending 1470 byte datagrams
UDP buffer size: 8.00 KByte (default)
------------------------------------------------------------
[288] local 192.168.0.102 port 53502 connected with 85.21.78.80 port 50000
write failed: Invalid argument.
[ ID] Interval       Transfer     Bandwidth
[288]  0.0- 4.7 sec  10.7 MBytes  18.9 Mbits/sec
[288] WARNING: did not receive ack of last datagram after 10 tries.
[288] Sent 7630 datagrams

C:\Users\user>