LAN setup can become complicated, partly because we must deal with physical LAN hardware and interfaces in the underlying Linux as well as z System interfaces. At the z System level, zPDT provides emulated OSA functions. OSA functions are closely tied to CHPID usage (on a large z System) and we must deal with CHPID-like details at the zPDT level. A Linux-based zPDT system can use more than one LAN adapter, although this is unusual. The following discussions are based on z/OS usage, but similar considerations are present with other z operating ...

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