Le lundi 14 décembre 2009 à 09:26 +0100, Benoit PAPILLAULT a écrit :

> First, you need to run "iperf -s" on a server machine (not on your PC, best 
> is a
> machine on your wired LAN). Then, you need to run "iperf -c <server_IP>" on 
> your
> PC. It will connect to the iperf server and sends a TCP stream for 10 seconds.
> After 10 seconds, it will display the throughput measured. A better command 
> is :
> "iperf -c <server_IP> -i 1 -t 60" => iperf will run for 60s instead of 10s and
> will display throughput every seconds.

I tried it between two of my computers, both on wireless, the client
being the one using a zd1211rw chip.

If i don't manually set the bitrate to 1M, I don't get any throughput.
If I set it to 54M, I get 
* on the server side : [  4]  0.0-11.6 sec  3.73 MBytes  2.70 Mbits/sec
* on the client side : [  3]  0.0-10.3 sec  3.73 MBytes  3.05 Mbits/sec

But the rc_stats file still contains only zeroes :

rate     throughput  ewma prob   this prob  this succ/attempt   success
attempts
TtP  1         0.0        0.0        0.0          2(  0)          0
0
     2         0.0        0.0        0.0          0(  0)          0
0
     5.5       0.0        0.0        0.0          0(  0)          0
0
    11         0.0        0.0        0.0          0(  0)          0
0
     6         0.0        0.0        0.0          0(  0)          0
0
     9         0.0        0.0        0.0          0(  0)          0
0
    12         0.0        0.0        0.0          0(  0)          0
0
    18         0.0        0.0        0.0          0(  0)          0
0
    24         0.0        0.0        0.0          0(  0)          0
0
    36         0.0        0.0        0.0          0(  0)          0
0
    48         0.0        0.0        0.0          0(  0)          0
0
    54         0.0        0.0        0.0          0(  0)          0
0

Total packet count::    ideal 2831      lookaround 149

Thanks for your help,

Julien.


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