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esxcfg-vmknic -

    
    esxcfg-vmknic  
    -a|--add                      Add a VMkernel NIC to the system, 
                                  requires IP parameters and 
                                  connection point(portgroup/dvs-name & dvport-id).
    -d|--del                      Delete VMkernel NIC on the system 
                                  requires connection point(portgroup/dvs-name & dvport-id).
    -e|--enable                   Enable the given NIC if disabled.
    -D|--disable                  Disable the given NIC if enabled.
    -p|--portgroup                Setting portgroup as connection point.
    -s|--dvs-name                 Setting DVSwitch name of the connection point.
                                  This requires --dvport-id option to
                                  be given in the same command.
    -v|--dvport-id                Setting DVPort ID of connection point.
                                  This requires --dvs-name option to 
                                  be given in the same command.
    -l|--list                     List VMkernel NICs.
    -i|--ip              Where  can be one of the following...
                                        - to use static IPv4 address specified
                                  DHCP           - to enable IPv4 DHCP for address.
                                      - to use static IPv6 address
                                  DHCPV6         - to enable IPv6 DHCP for address.
                                  AUTOCONF       - to enable IPv6 Router advertised address.
    -U|--unset-ip        Where  can be one of the following...
                                  V4             - to unset IPv4 address.
                                      - to remove the specified IPv6 address
                                  DHCPV6         - to disable IPv6 DHCP address.
                                  AUTOCONF       - to disable IPv6 Router advertised flag.
    -n|--netmask         The IP netmask for this VMkernel NIC.
                                  Setting the IP netmask requires that the --ip 
                                  option be given in the same command.
    -P|--peerdns                  Set peer dns. If set the system 
                                  will use the HostName, HostIPAddress 
                                  Domain returned by DHCP. Valid only for DHCP
    -M|--mac-address 
    MAC address for the interface being created.
    -m|--mtu MTU                  MTU for the interface being created.
                                  Valid MTU values are 1280-9000
    -6|--enable-ipv6  Enable or disable IPv6 for next boot.
    -r|--restore                  Restore VMkernel TCP/IP interfaces from 
                                  Configuration file (FOR INTERNAL USE ONLY).
    -N|--netstack                 Netstack Instance
    -h|--help                     Show this message.
    Examples:
      To add a vmknic to a portgroup
          esxcfg-vmknic -a -i DHCP -p pgName
          or 
          esxcfg-vmknic -a -i x.x.x.x -n 255.255.255.0 pgName
      To delete a vmknic from a portgroup
          esxcfg-vmknic -d -p pgName
          or 
          esxcfg-vmknic -d pgName
    Note:
      esxcfg-vmknic does not support VMkernel NICs having opaque network as a
      connection point. However, they will be listed during -l|--list option.