Simple MTU Test is designed to test the Internet connection by sending a series of packets and checking which ones are fragmented.This test enables the program to discover the MTU size in order to

Unfortunately traditional MTU tools such as Dr TCP wont work on Windows Vista and if you wish to change your MTU settings these have to be configured manually. Step One ~ How to check the your MTU setting in Vista. From the command prompt (start, run, cmd), type the following command:-netsh interface ipv4 show subinterfaces Oct 25, 2018 · On Windows XP, Vista and 7, Click on Start button and click on “Run“, type “cmd” and click “OK“. On Windows 8, right click at bottom left corner and select “ Command Prompt (Admin )”. 2 Type the below command and hit enter to check current MTU value . Changing the MTU size in Windows Vista, 7 or 8 Sometimes a computer may struggle to reliably receive and transmit data – resulting in slow speeds or interrupted access to some sites and Internet services. Unfortunately, I was wrong - the MTU is still a fixed setting, in Vista. The legendary tool, DrTCP, which is used by everybody to change the MTU in Windows 2000 and XP, doesn't work under Windows Vista. Fortunately, Microsoft now allows us to adjust the MTU using the "netsh" command.

Dec 03, 2006 · Regards to mss mtu and automatic tcp tuning, my isp works best on a mtu of 1478, vista doesnt tune to this, when I set mtu to 1478 and rebooted the mss became 1438 and tcp auto tuning set a rwin to match mss so that was good but I did have to manually set the mtu. I also did the ctcp setting as I believe that to improve performance.

Jul 05, 2007 · The default Max Transfer Unit (MTU) size for ethernet is 1500 bytes, if using a network with a different MTU size, then one should make sure to configure MTU in Windows to avoid packet fragmentation or connection loss.

sounds like an MTU/MSS problem, im not sure how this would be addressed in Windows, the guide certainly doesnt cover it, perhaps its not the problem and Windows fixes MTU itself (unlikely though).

Apr 10, 2020 · Prerequisite update 935509 that is listed in this article only applies to Windows Vista Enterprise and to Windows Vista Ultimate. The other prerequisite updates that are listed in this article apply to all versions of Windows Vista.