DirectConnect depends on the communications support supplied by the platform vendor to communicate with the DB2 UDB Option for CICS. Depending on the server-based communications software installed, DirectConnect uses SNA or TCP/IP Uplink support.
SNA software uses the SNA trace file to record SDLC/SNA traffic between the server and mainframe. The vendor trace utility extracts this file.
For Windows NT platforms, the error log file records errors that SNA Server for Windows NT detects.
For CICS TCP/IP environments, third-party TCP/IP trace facilities provide a way of obtaining low-level TCP/IP level traces between the mainframe and DirectConnect. For AIX platforms, the error log file records errors that SNA Server/6000 detects. The IBM error log report utility extracts this information. Microsoft SNA Server for Windows NT also has a trace process.
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