Subido por Sergio Mora

CICS Listener configuration

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CICS SOCKET INTERFACE FOR CICSB8T1 REGION
Modifying CICS Startup:

Concatenation of TCPIP.SEZALINK or TCPIP.SEZALNK2 datasets in the
STEPLIB of the CICSB8T1 region.
//STEPLIB DD DSN=TCPIP.SEZALNK2,DISP=SHR

Concatenation of TCPIP.SEZATCP to the DFHRPL of the CICSB8T1 region
startup procedure.
//DFHRPL DD DSN=TCPIP.SEZATCP,DISP=SHR

Add the following TCPDATA DD card in order to have the log of TCPIP related
messages.
//TCPDATA DD SYSOUT=*,DCB=(DSORG=PS,RECFM=V,BLKSIZE=136)
TCPIP configuration:

Copy the EZACONFG member of TCPIP.SEZAINST to the
CICSTS31.TCS.DATA dataset.

The Configuration Macros has some parameters to be changed according to the
environment are :
APPLID
TCPADDR
FILNAME
TRANSID
PORT

Adding the Port and CICS region jobname in the user defined TCPIP profile.

Refresh the TCPIP profile in the SDSF using
/V TCPIP,,O,DSN=TCPIP.PROFILE.TCPIP.OBEYFILE

Copy the EZACICPT member of TCPIP.SEZAINST to the
CICSTS31.TCS.DATA dataset.
Submit the jcl to define the resources present in EZACICPT using the DFHCSDUP
utility.
//OPRSDMRD JOB (SSG,MVS,SSGCRS,D2,DT99X),'RDO',MSGCLASS=X,
// CLASS=O,NOTIFY=&SYSUID,MSGLEVEL=(1,1)
//*
//UTILCDS EXEC PGM=DFHCSDUP
//STEPLIB DD DSN=CICSTS13.CICS.SDFHLOAD,DISP=SHR
//DFHCSD DD DISP=SHR,DSN=CICSTS31.CICSB8T1.DFHCSD
//SYSPRINT DD SYSOUT=*
//SYSIN DD DISP=SHR,DSN=CICSTS31.TCS.DATA(EZACICPT)
Jcl to add the group SOCKETS to the TCSLIST:
//OPRSDMRD JOB (SSG,MVS,SSGCRS,D2,DT99X),'RDO',MSGCLASS=X,
// CLASS=O,NOTIFY=&SYSUID,MSGLEVEL=(1,1)
//*
//UTILCDS EXEC PGM=DFHCSDUP
//STEPLIB DD DSN=CICSTS13.CICS.SDFHLOAD,DISP=SHR
//DFHCSD DD DISP=SHR,DSN=CICSTS31.CICSB8T1.DFHCSD
//SYSPRINT DD SYSOUT=*
//SYSIN DD *
ADD GROUP(SOCKETS) LIST(TCSLIST)
/*

A PLT Post Initialization Program Entry(PLTPT) & Shut Entry is needed
(PLTST) entry is needed for CICS socket initialization & termination.
JCL to assemble DCT definitions into a load module. It is available in the dataset
CICSTS31.TCS.DATA($ASMDCT).
Verification of Socket setup:
1. Shut down & restart the CICS region once.
2. During the course of PLT processing as CICS comes up, you will see the following in
the DD Card JESMSGLG in the CICS region. This indicates normal successful
installation of CICS Sockets connection.
+EZY1224I 04/04/08 10:26:34 CICS/SOCKETS INITIALIZATION SUCCESSFUL
USING REUSABLE MVS SUBTASKS.
Also, you see messages in the DD Card TCPDATA in the CICS region like this:
EZY1258I 03/05/02 06:22:50 EZACIC02 ENTRY POINT IS 0F166028
EZY1258I 03/05/02 06:22:50 EZACIC01 ENTRY POINT IS 0006A240
EZY1261I 03/05/02 06:22:50 EZACIC03 ATTACH SUCCESSFUL, TCB
ADDRESS=007ADD90
EZY1291I 03/05/02 06:22:51 LISTENER TRANSACTION= BT00 TASKID=
0000026L ACCEPTING
REQUESTS VIA PORT 3011
3. Through the command CEMT I TA , we can check whether the transaction CSKL is
running.
4. Also using the TSO NETSTAT command we can also determine that the connection
is established by the listener using the specified port.
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