Purpose of this information:

This document is intended to help system programmers in a VTAM® environment to diagnose problems with the VTAM program. Use the document to isolate and identify problems with your VTAM network and to collect appropriate documentation to resolve network problems. The information in this document supports both IPv6 and IPv4. Unless explicitly noted, information describes IPv4 networking protocol. IPv6 support is qualified within the text.

Who should read this information:

System programmers should use this document to analyze a VTAM problem, classify the problem as a specific type, and provide information about the problem to an IBM® Support Center representative.