Re: [Iperf-users] Server/Client buffer size -d

[Bob McMahon via Iperf-users]

Try the docs and let me know.

https://sourceforge.net/p/iperf2/code/ci/master/tree/INSTALL

Bob

On Fri, Nov 20, 2020 at 1:35 PM Valerio Scheleter <
valerio.schele...@virginorbit.com> wrote:

> Hi Bob,
>
> Thanks for your response. I honestly don't know how to build it from the
> source code. Have anyone done it already and I can access that?
>
> Thank you,
>
> Valerio
>
> -Original Message-
> From: Bob McMahon [mailto:bob.mcma...@broadcom.com]
> Sent: Thursday, November 19, 2020 11:47 AM
> To: Valerio Scheleter 
> Cc: iperf-users@lists.sourceforge.net
> Subject: Re: [Iperf-users] Server/Client buffer size -d
>
>
>
> [EXTERNAL EMAIL]
>
>


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Re: [Iperf-users] Server/Client buffer size -d

[Valerio Scheleter via Iperf-users]

Hi Bob,

Thanks for your response. I honestly don't know how to build it from the source 
code. Have anyone done it already and I can access that?

Thank you,

Valerio

-Original Message-
From: Bob McMahon [mailto:bob.mcma...@broadcom.com] 
Sent: Thursday, November 19, 2020 11:47 AM
To: Valerio Scheleter 
Cc: iperf-users@lists.sourceforge.net
Subject: Re: [Iperf-users] Server/Client buffer size -d



[EXTERNAL EMAIL]



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Re: [Iperf-users] Server/Client buffer size -d

[Bob McMahon via Iperf-users]

Probably a bug.  Can you try 2.0.14
? You will have to compile from
source.

Bob

On Thu, Nov 19, 2020 at 11:22 AM Valerio Scheleter via Iperf-users <
iperf-users@lists.sourceforge.net> wrote:

> Hello everyone,
>
>
>
> I am using iperf 2.0.9 with 1 client and 1 server with the option -d in
> order to have a dual test.
>
> From the documentation showed below, I can specify using –L the port that
> the server will connect back to the client, but I don’t see anything where
> I can specify the buffer size of the dual test.
>
>
>
> In my test I set the buffer size to 50MB for both Server and Client (-w
> 50M) and on the Client Linux machine I see both being 50MB.
>
> But for the Server Windows machine, I see the client connecting with a
> lower buffer size which depends on the bandwidth selected. (picture below)
>
>
>
>
>
> Is there a way I can set the buffer size for both of the buffer to 50MB?
>
> Am I missing something?
>
>
>
> Specifically the commands I am using are:
>
>
>
> *Server:* iperf -s -u -i 1 -w 50M -p 510  -b 2M  -B 172.16.1.101 –l 45000
>
> *Client: *iperf -c -172.16.1.101  -t 10  -u -i 1  -w 50MB  -b 2MB  -d  -p
> 510 –l 45
>
>
>
> Thanks,
>
>
>
> Valerio
>
>
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[Iperf-users] Server/Client buffer size -d

[Valerio Scheleter via Iperf-users]

Hello everyone,

I am using iperf 2.0.9 with 1 client and 1 server with the option -d in order 
to have a dual test.
>From the documentation showed below, I can specify using -L the port that the 
>server will connect back to the client, but I don't see anything where I can 
>specify the buffer size of the dual test.

In my test I set the buffer size to 50MB for both Server and Client (-w 50M) 
and on the Client Linux machine I see both being 50MB.
But for the Server Windows machine, I see the client connecting with a lower 
buffer size which depends on the bandwidth selected. (picture below)

[cid:image001.png@01D6BE63.FE772830]

Is there a way I can set the buffer size for both of the buffer to 50MB?
Am I missing something?

Specifically the commands I am using are:

Server: iperf -s -u -i 1 -w 50M -p 510  -b 2M  -B 172.16.1.101 -l 45000
Client: iperf -c -172.16.1.101  -t 10  -u -i 1  -w 50MB  -b 2MB  -d  -p 510 -l 
45

Thanks,

Valerio

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