- Entry:
- MU2
- VIT option:
- APPC
- Event:
- LU 6.2 message unit (Part 2)
- VIT processing module:
- ISTRACAC
This trace record is a continuation of the MU1 trace record.
- Byte (hex)
- Contents
- 00–03
- Record ID: C"MU2"
- 04
- 0
- 05–07
- Message unit ID shown in MU1 entry
- 08–0B
- Data address or 0. If the message unit contains an extended buffer list, this field points to the address of the first extended buffer list entry that contains RU data.
- 0C–0F
- AMUDATLN (data length) or 0. If the message unit contains an extended buffer list, this field contains the length of all RU data represented in that extended buffer list.
- 10–13
- Resource allocation block address or 0
- 14–15
- For MU ID X'020502': Session count. For all other MU IDs: 0.
- 16–17
- For MU ID X'020502': Session limit. For all other MU IDs: 0.
- 18–1B
- For MU IDs associated with an active conversation (X'010102', X'010201', X'010506', X'030108', X'050107', X'050109', X'050301'): Conversation ID. For all other MU IDs: 0.
- 1C–1F
- Variable overlay field
For MU ID X'020201': COPR control block address
For MU ID X'020502':- 1C–1D
- Change in the CNOS value
- 1E–1F
- 0
For MU IDs X'030106' and X'030108': Pacing count increment
For MU IDs X'030501', X'030503', X'030504', and X'030507': RPH address for inbound half session
For MU IDs X'040402' and X'040403': ACEE address
For MU IDs X'010701': Address of the associated data for the MU
For all other MU IDs: 0