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Method of forcing XP to use a single native / global IPv6 address
![[us]](/s/countries/us.gif) Shadow Hawkins on Thursday, 21 June 2007 23:46:11
This procedure is useful only when you are provisioning an IPv6 subnet from a tunneling router (a la a Linux box running radvd and a tunnel client or native link). This should not be done on an XP machine that is operating a tunnel client.
a. I put the following commands in a batch file and run it...
netsh interface ipv6 set privacy state=disable
netsh interface ipv6 6to4 set state state=disabled
netsh interface ipv6 isatap set state state=disabled
netsh interface ipv6 set teredo disable
b. I stop & disable the "6to4 Helper Service" that acts as a DDNS proxy.
c. I open the network properties for the LAN, uncheck IPv6 & OK, recheck IPv6 & OK. Uninstalling IPv6 would force a reboot and possibly remove the previous netsh commands; disabling and re-enabling the protocol for the adapter works fine for this fix.
d. Teredo may still appear as an interface when "ipconfig" is run, but it will be dormant.
Method of forcing XP to use a single native / global IPv6 address
After applying those netsh commands you have to reboot for them to actually take effect. (Unplugging/disable&enable the network can also work sometimes).
Disabling the 6to4 helper service is a bad idea as it also serves other things related to IPv6, disabling it might break IPv6 functionality in general.
As such, only step A is needed, as detailed in the FAQ.
Method of forcing XP to use a single native / global IPv6 address
Shadow Hawkins on Friday, 22 June 2007 05:17:55
http://technet2.microsoft.com/windowsserver/en/library/6ecf3d92-a57c-41b1-be9e-03a43331f2b71033.mspx?mfr=true
http://www.blackviper.com/WinXP/Services/IPv6_Helper_Service.htm
http://www.hostingforum.ca/494632-vista-ip-helper.html
I did some more checking on the IPv6 Helper Service, and its primary function is to provide 6to4 connectivity when IPv6 service is otherwise unavailable. I did find a comment from the IPv6 manager at Microsoft saying its does more, but this was in the context of Vista. I will leave my configuration as is, and report back any problems. I do agree its optional vs mandatory to disable on a router-provided IPv6 network.
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![[ch]](/s/countries/ch.gif)
on Friday, 22 June 2007 01:02:48
Posting is only allowed when you are