SQL*Net Errors

From: VIVEK_SHARMA <VIVEK_SHARMA_at_infy.com>
Date: Thu, 19 Apr 2001 22:48:49 -0700
Message-ID: <F001.002ED6D7.20010419224021@fatcity.com>

CASE - Banking Product - All Staff users Logging into APP Server & Connecting to DB Server VIA SQL*Net . ORA-7.3.4.5 on Digital Unix 5.1

tnsping from APP Server to DB Server :-
$ tnsping <CONNECT_STRING>

OK (9300msec)

But Unix ping from APP to DB Server
$ ping <DB Server>

64 bytes from 192.168.77.66: icmp_seq=1 ttl=64 time=3 ms

sqlnet.log :- TNS-12537 , TNS-12560 , TNS-507

---

Fatal OSN connect error 12537, connecting to:  (LOCAL=NO)   VERSION INFORMATION:

        TNS for DEC OSF/1 AXP: Version 2.3.4.0.0 - Production
        Oracle Bequeath NT Protocol Adapter for DEC OSF/1 AXP: Version
2.3.4.0.0 - Production
        TCP/IP NT Protocol Adapter for DEC OSF/1 AXP: Version 2.3.4.0.0 -

Production
  Time: 19-APR-01 09:40:33
  Tracing not turned on.
  Tns error struct:
    nr err code: 0
    ns main err code: 12537
    TNS-12537: TNS:connection closed
    ns secondary err code: 12560
    nt main err code: 507
    TNS-00507: Connection closed
    nt secondary err code: 0
    nt OS err code: 0

NOTE -
Listener.ora :-
STARTUP_WAIT_TIME_LISTENER = 0
CONNECT_TIMEOUT_LISTENER = 0
TRACE_LEVEL_LISTENER = OFF sqlnet.ora on DB & APP Server - Most Tracing Switched OFF AUTOMATIC_IPC=OFF
TRACE_LEVEL_CLIENT=OFF
TRACE_LEVEL_SERVER=OFF
TNSPING.TRACE_LEVEL=OFF
SQLNET.EXPIRE_TIME=40
DISABLE_OOB=ON NOTE - THe APP & DB SERvers are DIRECTLY Connected by a 100MBPS Cross-Cable

Qs. What may be the Cause ?

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Author: VIVEK_SHARMA
  INET: VIVEK_SHARMA_at_infy.com

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Received on Fri Apr 20 2001 - 00:48:49 CDT