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    esxcfg-nics  [nic]
       -s|--speed       Set the speed of this NIC to one of 10/100/1000/10000.
                               Requires a NIC parameter.
       -d|--duplex     Set the duplex of this NIC to one of 'full' or 'half'.
                               Requires a NIC parameter.
       -a|--auto               Set speed and duplexity automatically.  Requires a NIC parameter.
       -l|--list               Print the list of NICs and their settings.
       -e|--ens                Print the ENS settings of all NICs.
       -r|--restore            Restore the nics configured speed/duplex settings (INTERNAL ONLY)
       -h|--help               Display this message.
    
    



Designed by SanjuD(@ngineerbabu)