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MWG tcp window scaling guide

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Good day.

I am looking to find some guide somewhere on what the tcp window scale is in our MWG. i have ours set to 2 by default but i have been asked that only advertises to 16k. I have changed that to 7 just for troubleshooting but i cant find anything that says 0=?, 1=? 2=16k, ...

Is there anything out there to explain this?

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smasnizk
McAfee Employee
McAfee Employee
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Re: MWG tcp window scaling guide

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Dear @mikeyland1981 ,

 

The feature of Window scaling is not MWG specific. The same work for all IP communication to decide on biggest possible TCP window. In older Versions the TCP window scale might get set to "2" by default. The reason was, to address best possible usability as there are still devices not supporting window scaling. As the internet grow and bandwidth increase it make sense to review this setting. Bigger TCP window lead in some circumstances also to lower speed due to my personal experience. Below you can find Microsoft reference with all details about TCP window scale:

https://docs.microsoft.com/en-us/troubleshoot/windows-server/networking/description-tcp-features

 

Best Regards,
Sergej


If you find this post useful, Please give it a Kudos! Also, Please don't forget to select "Accept as a solution" if this reply resolves your query!

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1 Reply
smasnizk
McAfee Employee
McAfee Employee
Report Inappropriate Content
Message 2 of 2

Re: MWG tcp window scaling guide

Jump to solution

Dear @mikeyland1981 ,

 

The feature of Window scaling is not MWG specific. The same work for all IP communication to decide on biggest possible TCP window. In older Versions the TCP window scale might get set to "2" by default. The reason was, to address best possible usability as there are still devices not supporting window scaling. As the internet grow and bandwidth increase it make sense to review this setting. Bigger TCP window lead in some circumstances also to lower speed due to my personal experience. Below you can find Microsoft reference with all details about TCP window scale:

https://docs.microsoft.com/en-us/troubleshoot/windows-server/networking/description-tcp-features

 

Best Regards,
Sergej


If you find this post useful, Please give it a Kudos! Also, Please don't forget to select "Accept as a solution" if this reply resolves your query!

View solution in original post

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