红帽全球峰会This documentation is for a release that is no longer maintained
See documentation for the latest supported version 3 or the latest supported version 4.3.7. 使用 FeatureGate 启用技术预览功能
您可以通过编辑 FeatureGate 自定义资源（CR）为集群中的所有节点开启当前技术预览功能的子集。
3.7.1. 了解功能门
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您可以使用 FeatureGate 自定义资源（CR）在集群中启用特定的功能集。功能集是 OpenShift Container Platform 功能的集合，默认情况下不启用。
您可以使用 FeatureGate CR 激活以下功能集：
-
IPv6DualStackNoUpgrade.此功能门在集群中启用双栈网络模式。双堆栈网络支持同时使用 IPv4 和 IPv6。启用此功能集 不被支持，无法撤消，并会阻止更新。不建议在生产环境集群中使用此功能集。
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