Address is the LAN address of the remote system on the circuit
    over which the boot message is to be sent.  Both the Circuit and
    the Address arguments must be specified, either directly or via
    the client entity in the MOP Client database.

    boot  [node node-id] mop client client-name -
          address lan-address [,optional argument...]

    Optional arguments for this boot mop client command are:  device,
    script id, software id, and verification.

    Example:

    boot mop client lamchp address 08-00-2B-00-33-44