Purpose of this information:
This information describes VTAM® or TCP⁄IP codes. You can use this information to look up specific VTAM or TCP⁄IP codes.
This information 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:
This information is for anyone required to interpret a VTAM or TCP⁄IP code. Familiarity with VTAM and TCP⁄IP concepts and terms is assumed.