Using Dead Connection Detection (DCD) in Oracle Cloud Environments (Doc ID 2360121.1)

Last updated on MARCH 30, 2022

Applies to:

Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Compute Cloud Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

When attempting to setup Dead Connection Detection (DCD) between Oracle Cloud environments - such as between an Oracle Compute Cloud Classic and an Exadata Cloud Service running a Database Service - please note that both Ingress and Egress rules must be used for the client connections side on the Compute environment:

Egress to send client traffic to the Database Server on ExaCS
Ingress to receive the DCD packet from the Database Server on ExaCS

Cause

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Using Dead Connection Detection (DCD) in Oracle Cloud Environments (Doc ID 2360121.1)

Applies to:

Symptoms

Cause

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