Use to specify the name by which this TCP/IP identifies this Open Systems Adapter (OSA) port; for example, PORT1.
Rules:
The maximum length is 8 characters.
Each character must be a non-blank printable character; ,;.= (comma, semicolon, period, or equal sign) are not allowed.
The first character must be one of $@# or an alphanumeric; if it is numeric, the name must not be a hexadecimal number.
This name must match the portname specified on the transport resource list element (TRLE), which may further restrict the set of valid names.
For more information on the TRLE, see the z/OS IBM Communications Server: SNA Resource Definition Reference.