Software Id is an optional argument which can be used if a
    System Image is required by the target system for the boot
    operation.  Address information is required for the boot mop
    circuit command; it must be obtainable either from the command
    line or from the MOP Client database.

    boot  [node node-id] mop circuit circuit-name -
          address lan-address, software id string

    Or, to override any default System Image information for this
    Client in the MOP Client database:

    boot  [node node-id] mop circuit circuit-name -
          client client-name, software id string

    Examples:

    boot mop circuit fddi-1 address 08-00-2b-00-33-44, software id "-1"

    boot mop circuit csmacd-1 client lamchp, software id "-1"