Assuming the listener is a started task, you can try the following:
1) As you say, set the _BPXK_SETIBMOPT_TRANSPORT variable. If the listener is a
z/OS UNIX C/C++ program, you can set this in the EXEC PARM field:
//LISTEN EXEC PGM=your_listener,
// PARM=('ENVAR("_BPXK_SETIBMOPT_TRANSPORT=desired_stack_name")',
// '/listen_parms')
2) Stick a BPXTCAFF step ahead of the step that calls your listener
//TRANSAFF EXEC PGM=BPXTCAFF,PARM=desired_stack_name
//LISTEN EXEC PGM=your_listener
See manuals:
SC31-8775 Communications Server - IP Configuration Guide, Chapter 2 IP
Configuration Overview, Section Considerations for Multiple Instances of TCP/IP
GA22-7800 UNIX System Services Planning, Chapter 19, Section Requesting
Transport Affinity
I think the IBMTCP-L list server is the one this should have gone to? I believe
that's active.
"Join the IBMTCP_-L mailing list by by sending an email with "sub IBMTCP-L your
name" in the body to lists...@vm.marist.edu"
I'm not on that list, I got the above from Dave's Planet MVS site.
Ant.
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf
Of Arye Shemer
Sent: Wednesday, 19 February 2014 2:12 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Is _BPXK_SETIBMOPT_TRANSPORT would be honored by a listener ?
I need a way to enforce in multi TCP/IP stacks connection to a specific stack.
The listener is currently open socket to all stacks and failed by RACF for the
stacks it is not allowed to.
This is not "nice".
This is how the product behaves and we could not get from the product support
any solution to avoid this.
Is _BPXK_SETIBMOPT_TRANSPORT variable will enforce the listener to a
specific stack ?
Any other ideas ?
By the way,
is there an active TCPIP forum that this kind of question might be more
appropriate ?
Thank you,
Arye.
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