High Availability Monitors Version A.03.02 Release Notes

NOF API Verbs (QUERY Verbs)
QUERY_CN_PORT
Chapter 4 539
Returned Parameters: Function Not Supported
If the verb does not execute successfully because the local node is a LEN
node, SNAplus2 returns the following parameters:
primary_rc AP_FUNCTION_NOT_SUPPORTED
The local node is a LEN node. This verb is valid only at
an end node.
Returned Parameters: Other Conditions
Appendix A, “Common Return Codes,” lists further combinations of
primary and secondary return codes that are common to all NOF verbs.