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IPv6 help needed

Kelemvor

Lifer
So I'm running Windows 7 ad used to have IPv6 working on this machine but it seems to have stopped at some point. If I check IPConfig it shows me:
Link-local IPv6 Address . . . . . : fe80::f1c5:c19e:246e:f31a%11

However if I go to a test website (http://test-ipv6.com/) it says no IPv6 detected. I also have a online service I use that only works over IPv6 and it stopped working.

I don't remember what all I had to do to get it setup a logn tiem ago so if anyone has any suggestions for what I can try or where to start troubleshooting, please let me know.

Thanks.
 
Can you explain your IPv6 network infrastructure a little bit?
You need a global IPv6 IP to communicate, and it looks like you only have a link-local address.
You're not receiving an IPv6 global IP via SLAAC or other means.
 
I thought Win 7 had something built into it that could handle IPv6. I don't recall how I set it up initially since it was a few years ago... hmm.

This is just a regular home network with a DD-WRT router and Time Warner Cable.
 
You're correct that Win7 comes w/ IPv6 enabled by default.
What allows you to speak IPv6 to the rest of the world requires (almost) every hop to be IPv6 capable and working.
The fact that you don't even have a unique global IPv6 tells me there's something wrong between your Win7 & the DD-WRT router, since NAT66 doesn't yet exist (to my knowledge).
 
Windows (and any other v6 host) auto-provisions a link-local address. This doesn't mean that you have any actual v6 routing capability; in fact I wouldn't be surprised if your router didn't support it at all.

Also I can virtually guarantee that your ISP isn't extending v6 services to your home.
 
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