How to change MTU size

03-19-2007, 12:06 AM

I need to lower the MTU size to 1300 or so to get a network app to work.
I've read almost every post on the subject, but none of the advice works
(works in XP, but not Vista). Does anyone know how to change the MTU size
in Vista (32-bit)?

thanks.

03-19-2007, 01:52 AM

"Tech_vs_Life" <limited@newsgroups.nospam> wrote in message
news:uqk1IqbaHHA.4220@TK2MSFTNGP03.phx.gbl...

Quote:

>I need to lower the MTU size to 1300 or so to get a network app to work.
>I've read almost every post on the subject, but none of the advice works
>(works in XP, but not Vista). Does anyone know how to change the MTU size
>in Vista (32-bit)?
>
> thanks.

Have you tried using "DrTCP" found on broadbandreports?

http://www.broadbandreports.com/tools

But changing the MTU size on Broadband/Network connected machine may
severely impact the performance of the machine.

--
---
Star Fleet Admiral Q @ your service!
"Google is your Friend"
http://www.google.com

03-19-2007, 06:02 AM

Dr Tcp did not cure me. However, It turns out that another old app,
tcpoptimizer.exe, does work. It changed a large number of registry settings
but at least it worked (after I allowed it to update the network card
settings).

"Admiral Q" <Star_Fleet_Admiral_Q(No_Spam)@(Spam_Me_Not)hotmai l.com> wrote
in message news:eJdiDlcaHHA.1296@TK2MSFTNGP02.phx.gbl...

Quote:

> "Tech_vs_Life" <limited@newsgroups.nospam> wrote in message
> news:uqk1IqbaHHA.4220@TK2MSFTNGP03.phx.gbl...

Quote:

>>I need to lower the MTU size to 1300 or so to get a network app to work.
>>I've read almost every post on the subject, but none of the advice works
>>(works in XP, but not Vista). Does anyone know how to change the MTU size
>>in Vista (32-bit)?
>>
>> thanks.

>
>
> Have you tried using "DrTCP" found on broadbandreports?
>
> http://www.broadbandreports.com/tools
>
> But changing the MTU size on Broadband/Network connected machine may
> severely impact the performance of the machine.
>
> --
> ---
> Star Fleet Admiral Q @ your service!
> "Google is your Friend"
> http://www.google.com
>

03-19-2007, 10:34 AM

there is a program called "Dr TCP Utility". you can change the MTU size with
that

"Tech_vs_Life" wrote:

Quote:

> I need to lower the MTU size to 1300 or so to get a network app to work.
> I've read almost every post on the subject, but none of the advice works
> (works in XP, but not Vista). Does anyone know how to change the MTU size
> in Vista (32-bit)?
>
> thanks.
>
>

03-19-2007, 12:06 AM	#1 (permalink)
How to change MTU size I need to lower the MTU size to 1300 or so to get a network app to work. I've read almost every post on the subject, but none of the advice works (works in XP, but not Vista). Does anyone know how to change the MTU size in Vista (32-bit)? thanks.	Tech_vs_Life Guest Posts: n/a

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