Configure Kubernetes control plane to operate over IPv6

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Big picture

If you have IPv6 connectivity between your nodes and workloads, you may also want to configure the Kubernetes control plane to operate over IPv6, instead of IPv4.

How to

To configure Kubernetes components for IPv6 only, set the following flags.

Component Flag Value/Content
kube-apiserver --bind-address or --insecure-bind-address Set to the appropriate IPv6 address or :: for all IPv6 addresses on the host.
  --advertise-address Set to the IPv6 address that nodes should use to access the kube-apiserver.
kube-controller-manager --master Set with the IPv6 address where the kube-apiserver can be accessed.
kube-scheduler --master Set with the IPv6 address where the kube-apiserver can be accessed.
kubelet --address Set to the appropriate IPv6 address or :: for all IPv6 addresses.
  --cluster-dns Set to the IPv6 address that will be used for the service DNS; this must be in the range used for --service-cluster-ip-range.
  --node-ip Set to the IPv6 address of the node.
kube-proxy --bind-address Set to the appropriate IPv6 address or :: for all IPv6 addresses on the host.
  --master Set with the IPv6 address where the kube-apiserver can be accessed.

For dual stack settings, see Enable IPv4/IPv6 dual-stack.