You can verify the change took place by using the -getMTU flag again to verify the number.įor the change to actually take effect, you will probably want to cycle the wi-fi connection off and on which can also be done through networksetup at the command line, or through the wi-fi dropdown menu on a Mac, though that isn’t always necessary. To change and set a new MTU size, you can use the -setMTU flag with the networksetup command line, then choose the interface, and provide a new MTU size, like so:Įn0 in this case is the wi-fi interface of a MacBook Air without an ethernet port, and 1453 is the MTU setting chosen for the example because it’s the magic number that resolved a persistent wireless dropping problem with some Macs. How to Change MTU Size on Mac by Command Line Unless it has been changed, the default MTU size in Mac OS X is 1500 and will be reported back like so:Īs 1500 is the default, we’re going to change the MTU size. To see the current MTU size, use the following networksetup flag, pointing it at the network interface like so: How to Get Current MTU Size on Mac via Command Line Let’s start with getting the current MTU size from the command line on a Mac, then move on to setting a new MTU size. It’s probably important to note that most users will never need to adjust this setting, making this a more advanced tip. If you’re in a situation where you need to change the transmission unit size, you can do so easily through the Mac command line by way of the ever-useful networksetup utility. In the installation process just click on 'Next. Immediately after the installer finish off downloading, click on it to get you started with the installation process. Changing the MTU size has been a helpful solution to some dropping wi-fi connections in OS X and Mac OS, particularly when the standard troubleshooting protocol of deleting the wireless pref files hasn’t worked to resolve stubborn wi-fi issues. How to Download MagicConnect Viewer for PC: To start off, you should download either BlueStacks or Andy os for PC from the download link provided in the beginning in this web site.

Magic viewer for mac