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echo: nthelp
to: Frank Haber
from: Robert Comer
date: 2005-05-17 15:42:00
subject: Re: Crappy Windows 2000/XP UDP performance

From: "Robert Comer" 

That's about what i get, but if I put a -b of 500, I get

D:\netperformance>iperf -u -l 1025 -c 192.168.1.1 -i 1 -b 500m -w 256k
------------------------------------------------------------
Client connecting to 192.168.1.1, UDP port 5001 Sending 1025 byte datagrams
UDP buffer size:  256 KByte
------------------------------------------------------------
[1916] local 192.168.1.2 port 2331 connected with 192.168.1.1 port 5001 [
ID] Interval       Transfer     Bandwidth
[1916]  0.0- 1.0 sec  10.1 MBytes  84.8 Mbits/sec [1916]  1.0- 2.0 sec 
9.43 MBytes  79.1 Mbits/sec [1916]  2.0- 3.0 sec  10.1 MBytes  84.7
Mbits/sec [1916]  3.0- 4.0 sec  9.72 MBytes  81.5 Mbits/sec [1916]  4.0-
5.0 sec  9.60 MBytes  80.5 Mbits/sec [1916]  5.0- 6.0 sec  8.82 MBytes 
74.0 Mbits/sec [1916]  6.0- 7.0 sec  8.64 MBytes  72.5 Mbits/sec [1916] 
7.0- 8.0 sec  8.74 MBytes  73.3 Mbits/sec [1916]  8.0- 9.0 sec  9.67 MBytes
 81.1 Mbits/sec [1916]  9.0-10.0 sec  9.21 MBytes  77.3 Mbits/sec [1916] 
0.0-10.0 sec  94.0 MBytes  78.8 Mbits/sec

"Frank Haber"  wrote in message
news:428a446b$1{at}w3.nls.net...
> Half.
>
> [C:\DOWNLOAD]iperf -u -l 1025 -c 192.168.1.1 -i 1 -b 100m -w 256k
> ------------------------------------------------------------
> Client connecting to 192.168.1.1, UDP port 5001
> Sending 1025 byte datagrams
> UDP buffer size:  256 KByte
> ------------------------------------------------------------
> [1916] local 192.168.1.105 port 1211 connected with 192.168.1.1 port 5001
> [ ID] Interval       Transfer     Bandwidth
> [1916]  0.0- 1.0 sec  5.99 MBytes  50.3 Mbits/sec
> [1916]  1.0- 2.0 sec  5.99 MBytes  50.3 Mbits/sec
> [1916]  2.0- 3.0 sec  5.99 MBytes  50.3 Mbits/sec
> [1916]  3.0- 4.0 sec  5.99 MBytes  50.3 Mbits/sec
> [1916]  4.0- 5.0 sec  5.99 MBytes  50.3 Mbits/sec
> [1916]  5.0- 6.0 sec  5.99 MBytes  50.3 Mbits/sec
> [1916]  6.0- 7.0 sec  5.99 MBytes  50.3 Mbits/sec
> [1916]  7.0- 8.0 sec  5.99 MBytes  50.3 Mbits/sec
> [1916]  8.0- 9.0 sec  5.99 MBytes  50.3 Mbits/sec
> [1916]  9.0-10.0 sec  5.99 MBytes  50.3 Mbits/sec
> [1916]  0.0-10.0 sec  59.9 MBytes  50.2 Mbits/sec
> read failed: Connection reset by peer

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