红帽全球峰会6.20.4. 备注
Ingress Operator 在 openshift-ingress 项目中设置路由，并为路由创建部署：
$ oc get deployment -n openshift-ingress
Ingress Operator 使用来自 network/cluster 状态的 clusterNetwork[].cidr 来决定受管入口控制器（路由器）应该在其中操作的模式(IPv4、IPv6 或双堆栈）。例如，如果 clusterNetwork 只包含 v6 cidr，则 Ingress Controller 在只纯 IPv6 模式下运行。
在以下示例中，Ingress Operator 管理的 ingress 控制器将以 IPv4 模式运行，因为只有一个集群网络存在，网络是 IPv4 cidr：
$ oc get network/cluster -o jsonpath='{.status.clusterNetwork[*]}'输出示例
map[cidr:10.128.0.0/14 hostPrefix:23]
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