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ODA Instance Not Available After Enabling IPTABLES (Doc ID 2081287.1)

Last updated on SEPTEMBER 16, 2021

Applies to:

Oracle Database Appliance - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.

Symptoms

After starting IPTABLES (i.e. firewall) on Node 0 of the rack, none of the RAC/CRS services on that node are working.
After trying to disable IPTABLES RAC/CRS, one node is still having problems with service startup.
After rebooting the node, the IPTABLES were still enabled and CRS still would not start. 
Local connections to the instance on node 0 works, but client connections are not available.
LSNR service appears to be not working.

 

CRS / CLUSTER

 

Changes

Starting IPTABLES on one or both of the ODA nodes.

Cause

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