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Message Routing Codes

The region intercepts PPO and CNM messages and resends them with specific MVS routing codes.

A resent PPO or CNM message may have the following routing codes:

17

Indicates an SNA resource message.

18

Indicates that the job name associated with the message is the SNA resource name.

19

Indicates that the message is the response to an operator command.

Note: If a message is not assigned a routing code of 18, it indicates that the SNA resource name has not been determined. The region will process the message word by word to find a match with an SNA resource name.