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Google services have been unstable recently, so I decided to use an IPv6 tunnel to connect to Google for better access speeds.
Following the article I wrote last October,
"Installation, Usage, and Bug Fixes for gogoCLIENT on Windows 8.1",
I set up the tunnel on my computer. But when I opened the command prompt and tried to ping ipv6.google.com, the system unexpectedly reported "Ping request could not find host ipv6.google.com".
This meant I was still connecting to Google services via IPv4, which didn't achieve the desired effect. Normally, I would search on Google for a solution, but the problem was that the connection to Google was intermittent...
After a long time, I finally found a solution.
The reason is that Microsoft, in designing the operating system, does not query DNS over IPv6 tunnels by default. The solution is as follows:
- Start → Run (or Win+R), type
regeditand press Enter.
- In the left pane, navigate to
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\Dnscache\Parameters.
- Right-click in the right pane, select New → DWORD (32-bit) Value, and name it
AddrConfigControl.
After performing these steps, you can resolve IPv6 addresses normally without restarting the computer.
Thanks to
http://blog.ihipop.info/2012/01/2953.html
and
http://ipv6-or-no-ipv6.blogspot.sg/2009/02/teredo-ipv6-on-vista-no-aaaa-resolving.html.