Type J (Stack) Entry

Type J records are TCP/IP stack records, written each interval when STACK collection and logging is turned on. STACK=(Y,Y).

All fields are available for both Other and IBM type stacks unless indicated otherwise.

Length

Offset (hex)

Type

Description

4

000000

N

Receive buffer size (IBM stack type only)

4

000004

N

Send buffer size (IBM stack type only)

8

000008

N

TCP/IP IPL date and time (IBM stack type only)

4

000010

N

Maximum number of socket connections (MIIBII)

8

000014

C

TCP/IP procedure name

4

00001C

N

Minimum retransmission time

4

000020

N

Maximum retransmission time

4

000024

N

Limit on number of connections supported

4

000028

N

Active opens

4

00002C

N

Passive opens

4

000030

N

Number of failed connection attempts

4

000034

N

Number of resets

4

000038

N

Current established on closed-wait connections

4

00003C

N

Received segments

4

000040

N

Sent segments

4

000044

N

Retransmitted segments

4

000048

N

Segments with errors

4

00004C

N

Reserved

4

000050

N

TCP/IP address space ID

4

000054

N

UDP receiver buffer size

4

000058

N

UDP send buffer size

4

00005C

N

IF (interface) number

4

000060

N

IP forwarding

4

000064

N

IP in receives

4

000068

N

IP header errors

4

00006C

N

IP address errors

4

000070

N

IP forward datagrams

4

000074

N

IP unknown protocols

4

000078

N

IP input discards (for lack of buffer space)

4

00007C

N

IP input successfully delivered

4

000080

N

IP output requests

4

000084

N

IP output discards

4

000088

N

IP out no routes

4

00008C

N

IP reassembly time outs

4

000090

N

IP reassembly required

4

000094

N

IP reassembly OKs

4

000098

N

IP reassembly failures

4

00009C

N

IP fragmented OKs

4

0000A0

N

IP fragmented failures

4

0000A4

N

IP fragment creates

4

0000A8

N

IP valid routing entries discarded

4

0000AC

N

TCP segments sent containing RST flags

4

0000B0

N

UDP datagrams delivered to UDP customers

4

0000A4

N

UDP no ports

4

0000A8

N

UPD in errors

4

0000BC

N

UDP out datagrams


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