oradba11 wrote:the most common cause for TNS Timeout is a FireWall on or between client & DB Server.
I am wokring on oracle 11g and linux.We are finding following messages in alterlog files many time ,coming again and again ...
Is there any issue we are facing ...Is that we need to add some more parameters in our sqlnet.ora or other networking files..
Fatal NI connect error 12170.
TNS for Linux: Version 22.214.171.124.0 - Production
Oracle Bequeath NT Protocol Adapter for Linux: Version 126.96.36.199.0 - Production
TCP/IP NT Protocol Adapter for Linux: Version 188.8.131.52.0 - Production
Time: 10-JAN-2013 19:28:15
Tracing not turned on.
Tns error struct:
ns main err code: 12535
TNS-12535: TNS:operation timed out