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Can the same CUADDR be used across different paths or channel path identifiers (CHPIDs) in an ESCON Multiple Image Facility (EMIF) scenario?

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Can the same CUADDR be used across different paths or channel path identifiers (CHPIDs) in an ESCON Multiple Image Facility (EMIF) scenario?

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A. Yes. Q. There is no documentation or recommendation on the second value in the UNITADD parameter in the IOCP GEN. How many devices should be coded for each path? Are there any recommendations? Is there a minimum requirement? A. In the past, most people would use a minimum of 16. The CIP minimum is 2. If you only have one TCP/IP stack per partition, two should be adequate. However, it actually makes sense to define more than two subchannels, if you want to use these: • Second TCP/IP address space for: • Testing new versions or other products. • Security. • Performance. • Something else, like Interlink DECnet.

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