fs.StringVar(&o.config.ClusterCIDR, "cluster-cidr", o.config.ClusterCIDR, "The CIDR range of the pods in the cluster. (For dual-stack clusters, this can be a comma-separated dual-stack pair of CIDR ranges.). When --detect-local-mode is set to ClusterCIDR, kube-proxy will consider traffic to be local if its source IP is in this range. (Otherwise it is not used.) "+

	allocatorType ipam.CIDRAllocatorType) (*Controller, error) {

	if kubeClient == nil {
		return nil, fmt.Errorf("kubeClient is nil when starting Controller")
	}

	// Cloud CIDR allocator does not rely on clusterCIDR or nodeCIDRMaskSize for allocation.
	if allocatorType != ipam.CloudAllocatorType {
		if len(clusterCIDRs) == 0 {
			return nil, fmt.Errorf("Controller: Must specify --cluster-cidr if --allocate-node-cidrs is set")
		}

	sortedSizes := func(maskSizeIPv4, maskSizeIPv6 int) []int {
		nodeMaskCIDRs := make([]int, len(clusterCIDRs))

		for idx, clusterCIDR := range clusterCIDRs {
			if netutils.IsIPv6CIDR(clusterCIDR) {
				nodeMaskCIDRs[idx] = maskSizeIPv6
			} else {
				nodeMaskCIDRs[idx] = maskSizeIPv4
			}
		}
		return nodeMaskCIDRs
	}

			data: struct {
				ControlPlaneEndpoint, ProxyConfig, ProxyConfigMap, ProxyConfigMapKey string
			}{
				ControlPlaneEndpoint: "foo",
				ProxyConfig:          "  bindAddress: 0.0.0.0\n  clusterCIDR: 192.168.1.1\n  enableProfiling: false",
				ProxyConfigMap:       "bar",
				ProxyConfigMapKey:    "baz",
			},
		},
		{
			name:     "KubeProxyDaemonSet19",
			manifest: KubeProxyDaemonSet19,

// provided by kubeadm includes also enforcing consistency of values across components when required (e.g.
// cluster-cidr flag on controller manager and clusterCIDR on kube-proxy).
//
// Users are always allowed to override default values, with the only exception of a small subset of setting with
// relevance for security (e.g. enforce authorization-mode Node and RBAC on api server)
//

				RouteReconciliationPeriod:    metav1.Duration{Duration: 30 * time.Second},
				NodeMonitorPeriod:            metav1.Duration{Duration: 10 * time.Second},
				ClusterName:                  "k8s",
				ClusterCIDR:                  "1.2.3.4/24",
				AllocateNodeCIDRs:            true,
				CIDRAllocatorType:            "CloudAllocator",
				ConfigureCloudRoutes:         false,
			},

API rule violation: names_match,k8s.io/cloud-provider/config/v1alpha1,KubeCloudSharedConfiguration,CloudProvider
API rule violation: names_match,k8s.io/cloud-provider/config/v1alpha1,KubeCloudSharedConfiguration,ClusterCIDR
API rule violation: names_match,k8s.io/cloud-provider/config/v1alpha1,KubeCloudSharedConfiguration,ClusterName
API rule violation: names_match,k8s.io/cloud-provider/config/v1alpha1,KubeCloudSharedConfiguration,ConfigureCloudRoutes

    },
    "io.k8s.api.networking.v1alpha1.ClusterCIDR": {

- Removed the networking `alpha` API `ClusterCIDR`. ([#121229](https://github.com/kubernetes/kubernetes/pull/121229), [@aojea](https://github.com/aojea))

### API Change

- '`kube-apiserver`: adds `--authentication-config` flag for reading `AuthenticationConfiguration`

							Default:     "",
							Type:        []string{"string"},
							Format:      "",
						},
					},
					"ClusterCIDR": {
						SchemaProps: spec.SchemaProps{
							Description: "clusterCIDR is CIDR Range for Pods in cluster.",
							Default:     "",
							Type:        []string{"string"},
							Format:      "",
						},
					},