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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!

Changing Windows MTU: Difference between revisions

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The MTU (Maximum Transmission Unit) is the size of the largest network packet that can be transferred in a single network transmission without any fragmentation happening.
The MTU (Maximum Transmission Unit) is the size of the largest network packet that can be transferred in a single network transmission without any fragmentation happening.

We have a separate page on testing your [[MTU]].


Sometimes you may have a reason to change the MTU on your windows computer. Here is how.
Sometimes you may have a reason to change the MTU on your windows computer. Here is how.
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#Enter the command: <SyntaxHighlight inline>netsh</SyntaxHighlight>
#Enter the command: <SyntaxHighlight inline>netsh</SyntaxHighlight>
#Then: <SyntaxHighlight inline>interface</SyntaxHighlight>
#Then: <SyntaxHighlight inline>interface</SyntaxHighlight>
Then: <SyntaxHighlight inline>ipv4</SyntaxHighlight>
#Then: <SyntaxHighlight inline>ipv4</SyntaxHighlight>
Then: <SyntaxHighlight inline>set subinterface "Ethernet" mtu=1320</SyntaxHighlight>
#Then: <SyntaxHighlight inline>set subinterface "Ethernet" mtu=1320</SyntaxHighlight>
Then: <SyntaxHighlight inline>exit</SyntaxHighlight>
#Then: <SyntaxHighlight inline>exit</SyntaxHighlight>

The screenshot shows all these commands being run...


<gallery widths=700 heights=400>
<gallery widths=700 heights=400>