You can administer NSX-T Container Plug-in from the NSX Manager GUI or from the command-line interface (CLI). Manage IP Blocks from the NSX Manager GUIYou can add, delete, edit, view details of, and manage the tags for an IP block from the NSX Manager GUI. Manage IP Block Subnets from the NSX Manager GUIYou can add and delete subnets for an IP block from the NSX Manager GUI. CIF-Attached Logical PortsCIFs (container interfaces) are network interfaces on containers that are connected to logical ports on a switch. These ports are called CIF-attached logical ports. CLI CommandsTo run CLI commands, log in to the NSX-T Container Plug-in container, open a terminal and run the nsxcli command.