Win7 closes the IPv6 tunnel command line

  

We can only use the following three commands to close the ipv6 interface:
netsh interface teredo set state disablenetsh interface 6to4 set state disablednetsh interface isatap set state disabled

To restore an IPv6 tunnel, use the following command:
netsh interface teredo set state defaultnetsh interface 6to4 set state defaultnetsh interface isatap set state default

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