Thursday, 19 December 2013

How to change the default MTU size in Windows 7 ?

Steps to follow to change mtu size in Windows 7:

1) Go to Start-> type cmd-> right click on cmd.exe-> select->Run as administrator

2) Using this command prompt give below command to know the existing MTU of interfaces

C:\>netsh interface ipv4 show subinterfaces

MTU  MediaSenseState   Bytes In  Bytes Out  Interface
------  ---------------  ---------  ---------  -------------
4294967295                1          0    1486381  Loopback Pseudo-Interface 1
  1300                1   16167334    2330876  Wireless Network Connection
  1300                5          0          0  Local Area Connection



3) To change give below commands

C:\> netsh interface ipv4 set subinterface "Local Area Connection" mtu=1500 store=persistent
ok

4) View the changed MTU

C:\>netsh interface ipv4 show subinterfaces

MTU  MediaSenseState   Bytes In  Bytes Out  Interface
------  ---------------  ---------  ---------  -------------
4294967295                1          0    1486381  Loopback Pseudo-Interface 1
  1300                1   16167334    2330876  Wireless Network Connection
  1500                5          0          0  Local Area Connection

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