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

    Default: False         Value: True or false

    Specifies whether transport connections using this template are
    looped back locally in the transport layer.

    set  [node node-id] osi transport template template-id -
         loopback boolean

    Example:

    set osi transport template osit$loop_clns -
         loopback true