With IP address management (IPAM), you can create IP blocks to support NSX Container Plug-in (NCP). For more info about NCP, see the NSX-T Container Plug-in for Kubernetes - Installation and Administration Guide.
If you use the Advanced Networking & Security user interface to modify objects created in the policy interface, some settings might not be configurable. These read-only settings have this icon next to them: . See Overview of the NSX Manager for more information.