Error in alert log
Hi ,Please help to identify the root cause of the below prob in alert log.
Wed Mar 13 11:49:48 2013
LNS: Standby redo logfile selected for thread 1 sequence 702 for destination LOG_ARCHIVE_DEST_2
Wed Mar 13 11:49:48 2013
Archived Log entry 1369 added for thread 1 sequence 701 ID 0x2225261e dest 1:
Wed Mar 13 13:02:25 2013
***********************************************************************
Fatal NI connect error 12170.
VERSION INFORMATION:
TNS for Linux: Version 11.2.0.3.0 - Production
Oracle Bequeath NT Protocol Adapter for Linux: Version 11.2.0.3.0 - Production
TCP/IP NT Protocol Adapter for Linux: Version 11.2.0.3.0 - Production
Time: 13-MAR-2013 13:02:25
Tracing not turned on.
Tns error struct:
ns main err code: 12535
TNS-12535: TNS:operation timed out
ns secondary err code: 12606
nt main err code: 0
Wed Mar 13 11:49:48 2013
LNS: Standby redo logfile selected for thread 1 sequence 702 for destination LOG_ARCHIVE_DEST_2
Wed Mar 13 11:49:48 2013
Archived Log entry 1369 added for thread 1 sequence 701 ID 0x2225261e dest 1:
Wed Mar 13 13:02:25 2013
***********************************************************************
Fatal NI connect error 12170.
VERSION INFORMATION:
TNS for Linux: Version 11.2.0.3.0 - Production
Oracle Bequeath NT Protocol Adapter for Linux: Version 11.2.0.3.0 - Production
TCP/IP NT Protocol Adapter for Linux: Version 11.2.0.3.0 - Production
Time: 13-MAR-2013 13:02:25
Tracing not turned on.
Tns error struct:
ns main err code: 12535
TNS-12535: TNS:operation timed out
ns secondary err code: 12606
nt main err code: 0
0