Tracing PU 2.1 Node

The following table details PU 2.1 Node traces.

Trace option	Activity traced for the SnaServer (PU 2.1 node).
Internal Messages	Messages between the SnaServer (PU 2.1 node) and the SNA Manager.
3270 Messages	Messages between the PU 2.1 node and all 3270 client computers (3270 emulators and/or LUA programs).
Data Link Control	Messages between the PU 2.1 node and link services.
SNA Formats	Data link control messages that are in Host Integration Server formats. Understanding such messages requires knowledge of Host Integration Server formats and protocols.
LU 6.2 Messages	Messages between the PU 2.1 node and the APPC DLL.

See Also