Multi-stack (CINET)

z/OS® Communication Server allows you to have multiple TCP/IP stacks concurrently active on a single system. This is referred to as a CINET setup.

If z/OS Explorer is not active on the default stack, then selected z/OS Explorer functions might fail. Using stack affinity is a sure way to resolve this. Stack affinity instructs z/OS Explorer to use only a specific TCP/IP stack (instead of every available TCP/IP stack, which is the default for the started tasks).

Stack affinity is set for the RSED started task by uncommenting and customizing the _BPXK_SETIBMOPT_TRANSPORT directive in the rse.env configuration file. See the related section in "Chapter 2 Basic Customization" of the Host Configuration Guide (SC27-8437) for more details on customizing this configuration file.