Library /sys$common/syshlp/tracehlp.hlb ANALYZE, /TRACE_LEVEL  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    /TRACE_LEVEL=(protocol_identifier,...)
    This specifies the type of tracepoint you wish  to  analyze,  if  a
    file contains more than one type of tracepoint.

    See ANALYZE/PROTOCOL for a list of valid protocol identifiers.

    Protocol identifiers take the following defaults:

           Tracepoint     Default Protocol Identifiers

           DDCMP                    DDCMP
           ETHERNET                 ETHERNET
           NSP                      NSP
           ROU_ETHERNET             ROUTING
           ROU_SYNC                 ROUTING
           X25L2                    L2, L3 or L2E, L3
           X25L3LINE                L3
           X25L3CHANNEL             L3
           X25GAP                   GAP
           X25GATEWAY               GTW
           LLC2LINE                 IEEE8023, IEEE8022
           LLC2CHANNEL              IEEE8022, L3
           X29                      X29
           TRANSPORT                TRANSPORT
           INTERNET                 INTERNET
           MAC                      IEEE8022
           QLLC                     QLLC
           SDLC                     SDLC
           CHAN                     CHAN
           PU                       PU