Use the esxcli command to list all multipathing modules loaded into the system. Multipathing modules manage physical paths that connect your host with storage.
Before you begin
Install vCLI or deploy the vSphere Management Assistant (vMA) virtual machine. See Getting Started with vSphere Command-Line Interfaces. For troubleshooting, run esxcli commands in the ESXi Shell.
About this task
In the procedure, --server=server_name specifies the target server. The specified target server prompts you for a user name and password. Other connection options, such as a configuration file or session file, are supported. For a list of connection options, see Getting Started with vSphere Command-Line Interfaces.
esxcli --server=server_name storage core plugin list --plugin-class=MP
This command typically shows the NMP and, if loaded, the MASK_PATH module. If any third-party MPPs have been loaded, they are listed as well.