Library /sys$common/syshlp/nclhelp.hlb set, routing, manual_network_entity_titles  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Support: End
    Default: No NETs       Value: Set of NETs

    Network entity titles (NETs) to be used for this node. If the
    characteristic dna address format is set to false, there must be
    at least one NET.

    set [node node-id] routing manual network entity titles {NET[,NET...]}

    Example:

    set routing manual network entity titles -
          {49::00-04:AA-00-04-00-45-13:00}