Before you enable the VM tracking feature on
      specific ports, you must enable VM tracking on the switch, configure the authentication method
      and sequence, and the VM authentication databases.
    - 
        When this configuration is complete,
you can use the following command to enable VM tracking on one or
more ports:
        enable
          vm-tracking ports port_list  
- 
        To disable the VM tracking feature on a group of ports,
          use the following command:
        disable
          vm-tracking ports port_list  
- 
        To view the VM tracking feature configuration on one or
          more ports, use the following command:
        show
          vm-tracking port port_list