Warning in RAC Alert Log "WARNING: No Cluster Interconnect Has Been Specified."

(Doc ID 949223.1)

Last updated on OCTOBER 12, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 and later
Information in this document applies to any platform.

Goal

What does this warning in the alert log mean, and how to clear it?

 WARNING: No cluster interconnect has been specified. Depending on
          the communication driver configured Oracle cluster traffic
          may be directed to the public interface of this machine.
          Oracle recommends that RAC clustered databases be configured
          with a private interconnect for enhanced security and
          performance.


Solution

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