How to Change MTU Value to 1500 for WiFi Interface in netsh int IPv4

Abstract: Learn how to change the MTU value to 1500 for a WiFi interface using netsh int IPv4 command in Windows.

Created: 2024-03-16 by UserComp.com Editors

Changing MTU Value on WiFi Interface using netsh int ipv4

The netsh int ipv4 is a command-line tool that is used to configure network interfaces in Windows. One of the configurations that can be done using this tool is changing the Maximum Transmission Unit (MTU) value of a network interface. In this article, we will cover the steps to change the MTU value of a WiFi interface to 1500 using the netsh int ipv4 tool.

What is MTU?

MTU is the maximum size of a data packet that can be transmitted over a network interface. The default MTU value for Ethernet networks is 1500 bytes. However, in some cases, it may be necessary to change the MTU value to resolve network connectivity issues. For example, if you are experiencing slow network performance or are unable to connect to a particular network, changing the MTU value may help.

Changing MTU Value using netsh int ipv4

To change the MTU value of a WiFi interface using the netsh int ipv4 tool, follow the steps below:

Open the Command Prompt as an administrator. To do this, search for "Command Prompt" in the Start menu, right-click on the "Command Prompt" result, and select "Run as administrator".
Type the following command to display the network interfaces and their current MTU values:

netsh int ipv4 show subinterfaces

This will display a list of network interfaces and their current MTU values. Look for the WiFi interface in the list and note down its name (e.g. "WiFi" or "Wireless Network Connection").

To change the MTU value of the WiFi interface to 1500, type the following command:

netsh int ipv4 set subinterface "WiFi" mtu=1500 store=persistent

Replace "WiFi" with the name of your WiFi interface. This command will change the MTU value of the WiFi interface to 1500 and store the change persistently, meaning that the change will survive a reboot.

Troubleshooting

If you encounter an error when trying to change the MTU value, it may be due to file name, directory name, or volume issues. Make sure that the network interface name is correct and that you have the necessary permissions to change the MTU value.

The netsh int ipv4 tool can be used to change the MTU value of a network interface in Windows.
The default MTU value for Ethernet networks is 1500 bytes.
Changing the MTU value may help resolve network connectivity issues.
To change the MTU value of a WiFi interface to 1500 using the netsh int ipv4 tool, use the following command:

netsh int ipv4 set subinterface "WiFi" mtu=1500 store=persistent

References

Tags: techsupport networking Windows netsh MTU

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