Changing mtu size in windows vista

July 5, by Snakefoot 12 Comment. The show interfaces line reveals that the loopback is set to a much higher number, should that be changed to as well? Phantom The show interfaces line reveals that the loopback is set to a much higher number, should that be changed to as well? The loopback adapter can only communicate with the local machine hence the name. No need to change the MTU. When looking in the ipv6 i find 6 other NICs but they are not given a index number.

How do i change the MTU for these? Share This Post! No more external tools required! Thanks mate.. I had problems browsing any site but Google. Changed the MTU to from and solved the problem right away. No need to reboot or reset services in Win7. Great post. I have been trying to fix mtu, as I was unable to view quite a few websites after upgrading my Internet connection to Fiber. Changing mtu to under resolved the issue. Restart you computer and then test again.

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Note that if a value greater than the dynamically-determined MTU, the system uses the value of the dynamically-determined MTU instead. If you want to change the MTU for ipv6 network interface, change the ipv4 in commands above to ipv6.

To verify the change of MTU has been successfully saved, use the following command:. Replace ipv4 with ipv6 if necessary. The command will return the response similar to the following:.