RE: Setting MSS on TCP Sockets
- From: v-terryf@xxxxxxxxxxxxxxxxxxxx ("TerryFei")
- Date: Tue, 17 Jan 2006 07:02:42 GMT
Hi Shankar,
Welcome to MSDN Newsgroup!
I believe you can achieve this goal indirectly by modifying MTU. MSS should
automatically be set at 40 bytes less than the MTU of a given adapter (to
accommodate for TCP and IP headers).
We could set the relevant value in registry to change the default MTU
(Maximum Transmission Units). The parameter is GlobalMaxTcpWindowSize found
at ["HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\"]
Increase the global TCP receive window size
[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Tcpip\Parameters]
"GlobalMaxTcpWindowSize"="65535"
and set to 65535 seemed to allow us to increase our MTU value to what
everybody else on the network has.
You also could refer to the following articles. I hope it's helpful for you,
Title: HOW TO: Change the Default Maximum Transmission Unit (MTU) Size
Settings for PPP Connections or for VPN Connections
URL:
http://support.microsoft.com/default.aspx?scid=kb;en-us;826159&Product=win20
00
Title: Default MTU Size for Different Network Topology
URL: http://support.microsoft.com/kb/314496/EN-US/
If you have any questions, please feel free to let me know. Thanks and
have a nice day!
Best Regards,
Terry Fei [MSFT]
Microsoft Community Support
Get Secure! www.microsoft.com/security
--------------------
>Thread-Topic: Setting MSS on TCP Sockets
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>From: "=?Utf-8?B?U2hhbmthcg==?=" <Shankar Agarwal@xxxxxxxxxxxxxxxx>
>Subject: Setting MSS on TCP Sockets
>Date: Fri, 13 Jan 2006 13:13:02 -0800
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>Hi All,
>I want to fix the size of MSS for my TCP sockets and was looking for an
>option TCP_MAXSEG to be set on Sockets. I could not find any. Does window
>support setting of this option on sockets. I would appreciate any help in
>this regard.
>Thanks
>Shankar
>
>
.
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