Opmnctl @Cluster Status Shows Duplicate Entries in Environments Using NAT
(Doc ID 740620.1)
Last updated on APRIL 28, 2023
Applies to:
Oracle Fusion Middleware - Version 10.1.3.0.0 to 10.1.3.4.0 [Release AS10gR3]Information in this document applies to any platform.
This problem can occur on any platform.
Symptoms
In an Application Server 10.1.3 environment on AIX with several nodes "opmnctl @cluster status" returns the same node twice in some cases. The topology is as follows:
host1 -> subnetA
host2 -> subnetB
host3 -> subnetB
Each node has its own local IP and expose a different IP to the nodes in the other subnet using NAT (Network Address Translation). The nodes have been specified in $ORACLE_HOME/opmn/conf/opmn.xml as an static node list using the local IP for each node, e.g. for host1:
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |