HP-UX TN3270 Administration Guide

Using TN3270 Tracing Facilities
Trace File Formats
Chapter 5 65
the format in which they flow over the network. These
messages are useful for investigating network
problems.
FMI data
Traces data transferred between TN3270 and the host
in the format in which they are represented inside
TN3270. These messages can be useful for
investigating local problems and problems with remote
systems.
The start of each trace entry shows the type of message being traced and
a decoded version of some of the header information. The header
information and message data is then traced.
The header information in trace messages uses the following
abbreviations:
Table 5-1 Abbreviations Used in Trace Message Headers
+RSP Positive response
-RSP Negative response
BBI Begin bracket indicator
BCI Begin chain indicator
CEB Conditional end bracket
DAF Destination address field
DR1,DR2 Definite response 1 and 2 indicators
EBI End bracket indicator
ECI End chain indicator
ERI Exception response indicator
OAF Origin address field
ODAI OAF/DAF indicator
RH Request header or response header
RU Request unit or response unit