Log Shipment Between Primary and Standby Intermittently Errors with ORA-12570

(Doc ID 550103.1)

Last updated on MARCH 19, 2010

Applies to:

Oracle Net Services - Version: 9.2.0.1.0 to 11.2.0.1 - Release: to 11.2
Information in this document applies to any platform.
Archive log shipment between nodes in Dataguard intermittently fail.

Checked for relevance on 19-MAR-2010.

Symptoms

Shipment of log files between primary and standby Dataguard nodes may fail intermittently with
ORA-12570 TNS:packet reader failure.  If there is a firewall between the two nodes, this document may provide a solution.

Alert log shows

Creating archive destination LOG_ARCHIVE_DEST_4: 'Orcl2'
ARC0: Error 12570 Creating archive log file to 'Orcl2'
Sat Sep 29 00:59:48 2007
Errors in file /Software/Oracle/udump/orcl1_arc0_817588.trc:
ORA-12570: TNS:packet reader failure

Udump trace shows

*** 2007-09-29 00:59:48.452
Error 12570 creating standby archive log file at host 'Orcl2'
*** 2007-09-29 00:59:48.453
ARC0: Error 12570 Creating archive log file to 'Orcl2'
*** 2007-09-29 00:59:48.453
kcrrfail: dest:4 err:12570 force:0
ORA-12570: TNS:packet reader failure



Cause

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