Default: clns          Value: Any, clns, cons, or RFC1006
                                                     (OpenVMS)

    Type of network service. On Tru64 UNIX, the default template
    network service cannot be set to any. The network service
    chosen must be compatible with the value of the protocol class
    attribute.

    any        Either
    clns       Connectionless Network Service
    cons       Connection-Oriented Network Service
    RFC1006    ISO Transport Service on top of TCP

    set  [node node-id] osi transport template template-id -
         network service service-type

    Examples:

    set osi transport template osit$rfc1006 -     ! OSI over TCP/IP
         network service rfc1006                  ! RFC1006

    set osi transport template osit$rfc1006plus - ! DECnet over TCP/IP
         network service rfc1006                  ! RFC1859 a.k.a.
                                                  ! RFC1006+