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IPV6 Connectivity: No network access

    Question

  • I have a router which supports IPV6. It is set to use 6to4 tunnelling and seems to be working properly. It has IPV6 WAN and LAN addresses and is supplying addresses for all of my PCs, except for one. If I run test-IPV6.com on those PCs I get 10/10 for IPv4 and 7/10 for IPV6. (Our ISP DNS does not support IPV6.) If I run test-ipv6.com on the other PC I get 10/10 for IPV4 and 0/10 for IPV6. I tried to run the troubleshooting utility but it didn't come up with anything. I'm not sure where to start looking to find out why this computer is not getting IPV6 connectivity. I would appreciate some suggestions on where to look. One possible clue is that if I run the Microsoft Internet Connectivity Tool, it reports a failure for UPnP.
    Wednesday, February 09, 2011 2:02 AM

Answers

All replies

  • Okaaaay. Thanks for that, but I'll decide whether I leave IPV6 up or not after I determine why it's not working.

    Anyone else?

    Wednesday, February 09, 2011 6:19 AM
  • who is your ISP? if you are a Comcast customer (these will only work on the
    Comcast network) the list you want is at
     
    depending... you might be able to use 2001:470:20::2 which is HE's anycast DNS
    server if you manually configure?
     
    which router?
     
     
    On Wed, 9 Feb 2011 02:02:11 +0000, bimmerdriver wrote:
     
    >I have a router which supports IPV6. It is set to use 6to4 tunnelling and seems to be working properly. It has IPV6 WAN and LAN addresses and is supplying addresses for all of my PCs, except for one. If I run test-IPV6.com on those PCs I get 10/10 for IPv4 and 7/10 for IPV6. (Our ISP DNS does not support IPV6.) If I run test-ipv6.com on the other PC I get 10/10 for IPV4 and 0/10 for IPV6. I tried to run the troubleshooting utility but it didn't come up with anything. I'm not sure where to start looking to find out why this computer is not getting IPV6 connectivity. I would appreciate some suggestions on where to look. One possible clue is that if I run the Microsoft Internet Connectivity Tool, it reports a failure for UPnP.
     

    Barb Bowman

    http://www.digitalmediaphile.com

    Wednesday, February 09, 2011 2:29 PM
  • Thanks for the replies. I think it must not be clear what I'm trying to do so I'll try to explain it again.

    I have several PCs, all are running Windows 7 64 bit, some home premium, some pro.

    My Netgear WNDR3700 router supports IPV6 since the most recent firmware release. (It is set to use 6to4 and it has both WAN and LAN IPV6 addresses.)

    On all of the PCs except one, I am getting IPV6 connectivity. The only problem being reported by test-ipv6.com is that my ISP's DNS server does not support IPV6.

    However, on one of the PCs, I am not getting any IPV6 connectivity as reported by the Windows network connection status and also by test-ipv6.com. That PC also fails the UPnP portion of the Microsoft Internet Connectivity Test. I am trying to determine why these problems are happening on only one PC. Maybe it's one problem causing both issues.

    I realize IPV6 is not widely used at this point. I am not trying to debate that. All I'm trying to do is figure out what is different / wrong about one of my PCs.

    I hope that helps to explain what I'm looking for.

    Thursday, February 10, 2011 4:00 AM
  • The way things work until your ISP changes to IP6 is to use IP4 only and NAT at the gateway.

     


    My MVP is for Windows XP, Vista and Windows 7 IT, and I am getting increasingly good with Visual Studio.

    Developer | Windows IT | Chess | Economics | Hardcore Games | Vegan Advocate | PC Reviews

    Did you not read what I posted? This is not an issue with my ISP. I know the ISP has not fully implemented IPV6. That is not stopping my other PCs from getting IPV6 connectivity and surely it  has nothing to do with why my PC is failing the UPnp test. There is a problem with one of my PCs and I an trying to find out what it is. Please don't bother to reply if all you have to say is the same thing over and over.
    Thursday, February 10, 2011 5:42 AM
  • Thanks for the reply. My ISP is telus, which does not yet support IPV6, but it's working on my other PCs using 6to4. My router seems to be working fine. I am wondering if the problem is related to UPnP. I just noticed that the router shows up on the network tab of the PC where IPV6 is working, but not on the other PC.

    Thursday, February 10, 2011 6:09 AM
  • what NIC? what driver? can you reset both the v4 and v6 stack and reboot?
     
     
    On Thu, 10 Feb 2011 04:00:46 +0000, bimmerdriver wrote:
     
    >However, on one of the PCs, I am not getting any IPV6 connectivity as reported by the Windows network connection status and also by test-ipv6.com. That PC also fails the UPnP portion of the Microsoft Internet Connectivity Test. I am trying to determine why these problems are happening on only one PC. Maybe it's one problem causing both issues.
     

    Barb Bowman

    http://www.digitalmediaphile.com

    Thursday, February 10, 2011 9:53 AM
  • NIC is the network interfaced card.

     


    My MVP is for Windows XP, Vista and Windows 7 IT, and I am getting increasingly good with Visual Studio.

    Developer | Windows IT | Chess | Economics | Hardcore Games | Vegan Advocate | PC Reviews

    Thursday, February 10, 2011 1:00 PM
  • I was asking what brand/model NIC. *I* certainly know what a NIC is.
     
    On Thu, 10 Feb 2011 13:00:13 +0000, Vegan Fanatic [MVP] wrote:
     
    >
    >
    >NIC is the network interfaced card.
    >
    >
    >
    >
    >My MVP is for Windows XP, Vista and Windows 7 IT, and I am getting increasingly good with Visual Studio.
    >
    >Developer | Windows IT | Chess | Economics | Hardcore Games | Vegan Advocate | PC Reviews
     

    Barb Bowman

    http://www.digitalmediaphile.com

    Thursday, February 10, 2011 7:46 PM
  • Thanks for your help. The computer with the problem is a laptop. It has a gigabit LAN and a wireless-n network interfaces. The problem is the same whether the connection is wired or wireless.
    Sunday, February 13, 2011 11:53 PM
  • The computer is an HP 8540w with an intel 82577LM ethernet and a centrino ultimate-n c-6300 wireless. All of the drivers are current. The OS was recently installed.
    Wednesday, February 16, 2011 6:07 AM
  • How do I reset the IPV4 and IPV6 stacks?
    Wednesday, February 16, 2011 6:08 AM
  •  
    it applies to W7 as well as Vista
     
     
     
    On Wed, 16 Feb 2011 06:08:34 +0000, bimmerdriver wrote:
     
    >How do I reset the IPV4 and IPV6 stacks?
     

    Barb Bowman

    http://www.digitalmediaphile.com

    Wednesday, February 16, 2011 8:49 AM
  • You shouldn't ask people for help if you're just going to act like an entitled ass. I don't even post on these things, but was searching for some help. I thought you were such a POS that I made a screen name just to reply to your posting. Stay behind your computer, cause society doesn't need you.
    Tuesday, August 20, 2013 5:32 AM