At command prompt, to disable IPv6 from all interfaces, type these commands. Then press enter - one command at a time. netsh interface teredo set state disabled netsh interface ipv6 6to4 set state state=disabled undoonstop=disabled netsh interface ipv6 isatap set state state=disabled
Teredo Server: Teredo Server is used for initial configuration of a Teredo tunnel. It is a node which has IPv4 connectivity and can be used to provide IPv6 connectivity to Teredo clients. Teredo Relay: Teredo Relay is an IPv6 router which is used to forward all of the data on behalf of Teredo client it serves. netsh interface Teredo set state disable Disabling Teredo Adapter. After the adapter is disabled, press Windows + R, type "devmgmt.msc" in the dialogue box and press Enter. Once in the device manager, click on View and click Show hidden devices. Now, click on Network adapters, right-click on all Teredo adapters and select Uninstall. net.ipv6.conf.lo.disable_ipv6 = 1. 4. Save and close the file. 5. Reboot the machine. To re-enable IPv6, remove the above lines from /etc/sysctl.conf and reboot the machine. The caveats. To disable unused IPv6 transition protocols on a per-host basis on Windows 7 client using netsh, open an elevated command prompt and execute the following commands: netsh interface 6to4 set state disabled netsh interface teredo set state disabled netsh interface isatap set state disabled Set Teredo State - Enable - choose "Client" (If after doing all steps it fails, try choose Enterprise Client instead.) After that, Win+R , services.msc, look for "IP Helper" and restart services. Now , Win+R, cmd, input " netsh interface teredo show state" and you should be seeing something like this: Xbox Support loading
Even if you disable IPv6, you can't disable IPv6 on pfSense itself. These days, IPv6 is the main network protocol - and IPv4 is the "tolerated while time lasts" protocol. So, your DNS - the Resolver - will still resolve any URL to AAAA and A if they exist.
Even if you disable IPv6, you can't disable IPv6 on pfSense itself. These days, IPv6 is the main network protocol - and IPv4 is the "tolerated while time lasts" protocol. So, your DNS - the Resolver - will still resolve any URL to AAAA and A if they exist. Teredo is a networking protocol that used to establish secure connections between client and servers. If the Teredo interface is not working or cannot be enabled, means that something is blocking Teredo from starting (e.g. you Firewall program), or that the Teredo interface is not properly installed and enabled on the system.
In order to disable IPv6 in Windows Server 2012 follow this Free PDF step by step process. The world is running out of Internet addresses. IPv6 is the answer to that problem, but in some cases and implementations it can cause problems of its own. There's no reason to disable IPv6
net.ipv6.conf.lo.disable_ipv6 = 1. 4. Save and close the file. 5. Reboot the machine. To re-enable IPv6, remove the above lines from /etc/sysctl.conf and reboot the machine. The caveats.