nstreme a iperf + vliv TCP window size:
C:\Downloads>iperf.exe -c 192.168.1.111 -m -w 524288 -t 20
------------------------------------------------------------
Client connecting to 192.168.1.111, TCP port 5001
TCP window size: 512 KByte
------------------------------------------------------------
[1912] local 192.168.1.203 port 1523 connected with 192.168.1.111 port 5001
[ ID] Interval Transfer Bandwidth
[1912] 0.0-20.3 sec 221 MBytes 91.2 Mbits/sec
[1912] MSS and MTU size unknown (TCP_MAXSEG not supported by OS?)
C:\Downloads>iperf.exe -c 192.168.1.111 -m -w 262144 -t 20
------------------------------------------------------------
Client connecting to 192.168.1.111, TCP port 5001
TCP window size: 256 KByte
------------------------------------------------------------
[1912] local 192.168.1.203 port 1530 connected with 192.168.1.111 port 5001
[ ID] Interval Transfer Bandwidth
[1912] 0.0-20.3 sec 224 MBytes 92.5 Mbits/sec
[1912] MSS and MTU size unknown (TCP_MAXSEG not supported by OS?)
C:\Downloads>iperf.exe -c 192.168.1.111 -m -w 131072 -t 20
------------------------------------------------------------
Client connecting to 192.168.1.111, TCP port 5001
TCP window size: 128 KByte
------------------------------------------------------------
[1912] local 192.168.1.203 port 1535 connected with 192.168.1.111 port 5001
[ ID] Interval Transfer Bandwidth
[1912] 0.0-20.3 sec 225 MBytes 93.3 Mbits/sec
[1912] MSS and MTU size unknown (TCP_MAXSEG not supported by OS?)
C:\Downloads>iperf.exe -c 192.168.1.111 -m -w 65536 -t 20
------------------------------------------------------------
Client connecting to 192.168.1.111, TCP port 5001
TCP window size: 64.0 KByte
------------------------------------------------------------
[1912] local 192.168.1.203 port 1536 connected with 192.168.1.111 port 5001
[ ID] Interval Transfer Bandwidth
[1912] 0.0-20.0 sec 223 MBytes 93.5 Mbits/sec
[1912] MSS and MTU size unknown (TCP_MAXSEG not supported by OS?)
C:\Downloads>iperf.exe -c 192.168.1.111 -m -w 32768 -t 20
------------------------------------------------------------
Client connecting to 192.168.1.111, TCP port 5001
TCP window size: 32.0 KByte
------------------------------------------------------------
[1912] local 192.168.1.203 port 1537 connected with 192.168.1.111 port 5001
[ ID] Interval Transfer Bandwidth
[1912] 0.0-20.0 sec 215 MBytes 90.3 Mbits/sec
[1912] MSS and MTU size unknown (TCP_MAXSEG not supported by OS?)
C:\Downloads>iperf.exe -c 192.168.1.111 -m -t 20
------------------------------------------------------------
Client connecting to 192.168.1.111, TCP port 5001
TCP window size: 8.00 KByte (default)
------------------------------------------------------------
[1912] local 192.168.1.203 port 1531 connected with 192.168.1.111 port 5001
[ ID] Interval Transfer Bandwidth
[1912] 0.0-20.0 sec 115 MBytes 48.0 Mbits/sec
[1912] MSS and MTU size unknown (TCP_MAXSEG not supported by OS?)