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Caution: Microsoft warns that fully removing IPv6 components can create unsupported states. Use targeted methods for troubleshooting. How to Disable IPv6 on Mac and Your Router for Wi-Fi Troubleshooting. Start with the device and then the router.

The IPv6 address can be further simplified by removing leading zeros in each blockThe address prefix is always FE80::/64 and IPv6 router never forwards link-local traffic beyond the link. These addresses are comparable to the auto-configuration addresses 169.254.0.0/16 of IPv4.

Configuring IPv4 and IPv6 Protocol Stacks. Configuring Default Router Preference. Configuring IPv6 ICMP Rate Limiting.To remove all manually configured IPv6 addresses from an interface, use the no ipv6 address interface configuration command without arguments.