Wednesday 22 November 2017

Change MTU settings - Tool by srfix

Change MTU settings - Tool by srfix

The Maximum Transmission Unit (MTU) feature of network is an advanced configuration that allows  to determine the largest data size permitted on connection.  Generally, if MTU is too large for the connection, the computer will experience packet loss or dropping Internet connection. Therefore, the default value of 1500 is to be reduced. It should not be increased. The minimum value being 576 should not be more than 1500.
How to determine the right value? : Read here
Steps to change your MTU settings in windows: 
Open a command line window as an Administrator (ie. right click on All Programs > Accessories > Command Prompt and select Run as administrator) .

Type the command netsh interface ipv4 set subinterface "Local Area Connection" mtu=xxxx store=persistent

->Where “Local Area Connection” (including quotation marks as there is space in the name) is the name of the network connection on the computer, which is shown in the listing of network interfaces available.
->In addition, nnnn should be replaced with numeric value of the preferred size of MTU,
 
 After the change, reboot and restart the computer for the change to take effect.

To verify the change of MTU has been successfully saved, use the following command:
netsh int ip show int
MTU Set - by srfix: 
(Ensure that UAC setting  set to: never notify )
Run this tool to set the value desired.
Local Area Connection - the name of network is to be edited if required.
Value-Ideal value 1300 is given. This also can be changed. 
Click on Set.
Cmd will execute the script. After completion, press any key. Then click Exit.
Reboot the system.

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