How to turn off IPV6 tunnel under Windows 7 system

  
How to close IPV6 tunnel under Windows 7 system:
We only use the following 3 commands to close the IPv6 interface.
netsh interface teredo set state disable
Netsh interface 6to4 set state disabled
netsh interface isatap set state disabled
If you want to restore IPv6 tunnel, use the following command:
netsh interface teredo set state default
netsh interface 6to4 set state default
netsh Interface isatap set state default

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