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How to Check if Dead Connection Detection (DCD) is Enabled in 9i ,10g and 11g (Doc ID 395505.1)

Last updated on SEPTEMBER 11, 2023

Applies to:

Oracle Net Services - Version to [Release 9.2 to 11.2]
Information in this document applies to any platform.


You have enabled Dead Connection Detection (DCD) in the SQLNET.ORA file on the
database server.  The version of database is 9i through 11gR2 and you wish to verify
whether it is working.

Note that this document does NOT apply to version 12.   See the following: <Note 1591874.1>  Oracle Net 12c: New Implementation of Dead Connection Detection (DCD)



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In this Document

 Methods to check DCD functionality: 
 (1) Oracle Sqlnet Client Trace
 (2) Oracle Sqlnet Server Trace
 (3) Sniffer Trace
 (4) Strace or System level trace

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