ORA-03113, ORA-12571 Issuing a Select Over a dblink Through a Firewall

(Doc ID 1507098.1)

Last updated on OCTOBER 27, 2016

Applies to:

Oracle Net Services - Version and later
Information in this document applies to any platform.


Intermittently receiving the below error while doing a select over the dblink

ORA-03113: end-of-file on communication channel
ORA-12571: TNS:packet writer failure


Database is recently moved to different network or firewall rules are changed recently.


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