- While the broadband speed depends on several factors including the external factors like speed provided by the ISP, hardware used etc.
- We can certainly improve the internal factor through a technique known as TCP optimization. Windows 7 and above has the ability to automatically change its own TCP Window auto-tuning behavior to a more conservative state regardless of any user settings. Now we can change the tcp parameters to increase throughput.
- Open cmd in administrator mode and type this
netsh int tcp show global and press enter
- Now we are going to change some TCP global parameters. Open notepad and type these commands
cd\
netsh int tcp show global
netsh int tcp set global chimney=enabled
netsh int tcp set heuristics disabled
netsh int tcp set global autotuninglevel=normal
netsh int tcp set global congestionprovider=ctcp
- Now save the file as say Speedbooster.bat
- Run the Speedbooster.bat in administrator mode
- You will notice substantial increase of speed of about 30–35%.
- Now to reset tcp global parameters to default values Type these in notepad
cd\
netsh int tcp show global
netsh int tcp set global chimney=default
netsh int tcp set heuristics enabled
netsh int tcp set global congestionprovider=none
- And save it as say Reset.bat to reset the TCP global parameters to their respective default values. Run it as an administrator.
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