W dniu 16.11.2023 o 01:47, Michael Babcock pisze:
We have an OSA-ICC connection set up as a 3270 session type. The LU Name in that definition is TERM140. The CUA is B400. We have a 3270 session defined with the proper IP and the same LU Name of TERM140. This all works as expected. My question is that I thought a VTAM APPL with an LUNAME of TERM140 was required but I do not see a TERM140 defined in VTAM at all. I’m not a network guy. Since this is working, I assume it’s not required. Can someone enlighten me?
In simple words, LUNAME used in OSA-ICC session definition and emulator - it does NOT exist in any VTAM or TCPIP configuration. Instead, VTAM use device number (devnum), which is in turn not used in emulator session. However OSA-ICC session ties devnum with LUNAME. Note: the same devnum can be used by different LPARs and every LPAR has its own console/terminal. It is not shared, just "duplicate" devnum. However OSA-ICC use devum *and* MIF and CSS to uniquely identify the device.
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