Library /sys$common/syshlp/nclhelp.hlb boot, mop, circuit, address  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Address is the LAN address of the remote system on that circuit.
    This argument is required for LAN circuits. If you do not supply
    this information as an argument for this command, you must
    specify a Client in the MOP Client database which can provide
    default Address information.

    boot  [node node-id] mop circuit circuit-name -
          address lan-address [,optional arguments...]

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

    Example:

    boot mop circ csmacd-1 address 08-00-2B-00-33-44