Wireshark mailing list archives

Re: iperf UDP throughput


From: "netztier () bluewin ch" <netztier () bluewin ch>
Date: Tue, 27 Mar 2012 12:40:49 +0000 (GMT+00:00)

Well, it says so:

D:\iPerf>iperf --help

[...]

Client specific:
  -b, --bandwidth #[KM]    for UDP, bandwidth to send 
at in bits/sec
                           (default 1 Mbit/sec, implies -u)
[...]

regards

Marc

-- 
netztier@bluewin.
ch


----Ursprüngliche Nachricht----
Von: abhishekfishy2000 () gmail com
Datum: 27.03.2012 10:40
An: "Community 
support list for Wireshark"<wireshark-users () wireshark org>
Betreff: [Wireshark-users] iperf UDP throughput

Hello 
All,

This is not exactly a wireshark question still posting here and this list
gives very good explanations.



I'm using Wifi in g mode and WPA2AES between an Linux AP and Windows STA

I initiated a iperf TCP client|server for 
90 sec and observed throughput
was 11Mbits/sec
With UDP its just 1.04Mbits/sec

Wireshark shows both TCP and UDP 
packets transmitted at 54 or 36 Mb/s.

I'm not able to understand why is UDP throughput so low

commands

iperf -
s -u   (Win 7 STA)
iperf -c <IP> -u -t 90  ( linux AP)

regards
Abhishek

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