Path of Sqlnet.ora and Tnsnames.ora

Hi all
Why I have one
Sqlnet.ora
in
C:\ORAWIN95\NETWORK\ADMIN
and
one in
C:\ORAWIN95\NET80\ADMIN
and
Tnsnames.ora
in
C:\ORAWIN95\NET80\ADMIN
and
C:\ORAWIN95\NETWORK\ADMIN
and
C:\ORAWIN95\NET80\TNSAPI
why they are duplicated?
thanks
Sobrinho

It looks like you have (or had) multiple versions of SQL*Net.
Oracle 8 put everything in %oracle_home%\net80 while Oracle 7 and 9 use %oracle_home%\network

Similar Messages

Meaning of sqlnet, listener and tnsnames

I am a newbie.
what is the purpose of sqlnet.
what is meaning of i the listener:
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\oracle\product\10.2.0\db1)
(PROGRAM = extproc)
what is the meaning of in tnsnames:
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = PLSExtProc)
This is a windows 10g database on my laptop.
I am getting error message when connecting using Toad:
ORA-12514 - tns Listener could not resolve service name given in connect descriptor
Thank You....................

first, open the net manager assistant, and add you database to the services of your listener, after this check your tnsnames.ora file, to see if the database service is on the file, for more information, search in the database documentation chapters about Oracle Net.
And sqlnet.ora, is the file that recognize the way you will connect to the database, try to read, the Oracle Databas 10g Administrator's Guide.

Database connectivity requiring oracle wallet, tnsnames.ora, and sqlnet.ora

We have a new datasource that I need to write a report against. In order to access the db, I have to install an Oracle wallet on my pc that contains a certificate. I then have an entry in the sqlnet.ora file that references this wallet, and I have an entry in my tnsnames file. I wrote a report successfully on my pc. We then have our Business Objects installation on a Sun Solaris machine with Unix. We installed the wallet, added the sqlnet.ora entry, and the tnsnames.ora entry. I am able to connect to the db from the unix command prompt by typing sqlplus username@dbname successfully. However, when I place my Crystal Report in Bus. Obj. I cannot get it to work. I go to the CMC, select the report, choose Process, Database. I am entering Use custom database logon info and choosing Oracle as my database driver. I then enter the tnsnames entry into the server and enter my username and password and check the use use same database logon as when report is run. I get the error The database logon information for this report is either incomplete or incorrect. I'm guessing the report is not using the certificate in the wallet when it is trying to log on, but I'm not sure. Does anyone have any suggestions or experience with this? Thanks in advance for any help.

Hi Angie,
you should install the 32bit Oracle driver on your Solaris machine and adjust the LD_LIBRARY_PATH environment variable (in the profile of the BOBJ installation user) to point to the path of the 32bit libraries of your Oracle driver.
BOBJ is not a native 64bit software and can therefore work only with the 32bit versions of the database drivers.
Regards,
Stratos
Edited by: Efstratios Karaivazoglou on Jul 15, 2009 4:49 PM

TNSNAME.ORA and SQLNET.ORA

Hi there!
My problems is regarding connection to Ora Frms/reports which for so many days I am trying but to no avail.
Some are suggesting to copy TNSNAME.ORA AND SQLNET.ORA for in order to work better connection on FORMS/REPORT.
Kindly advice on how to do it.
thnaks
null

If you use 8i, form and report use TNS
config from sqlplus. If you can get in sqlplus does not mean you can log in
form ad report. You need to Config the TNS in an option called something like
'Network Config Assistant'or similar. You should find it from the list.
Another is to edit the TNSname.ora in the admin directory under you form and report initial path with the command from the previous mail

Listener.ora and tnsnames.ora and sqlnet.ora

Hello newbie here, trying to look into simple RAC setup with 2 nodes (A.this.com, B.this.com), one service (PROD.this.com), one listener and one instance on each node (listener PRODlist1 using instance PRODinstance1 on node A, listener PRODlist2 using instance PRODinstance2 on node B), one database (ORCL).
db global db name = orcl.this.com
I would like loadbalancing=on, with TAF basic (no preconnect, retries 10, delay 5.)
With dynamic service registration.
What should the tnsnames.ora and listener.ora and sqlnet.ora look like?
Have read all sorts of literature, getting confused...

I post my sample configuration here:
DBA1.WORLD =
(DESCRIPTION =
(ADDRESS_LIST =
(FAILOVER=ON)
(LOAD_BALANCE=ON)
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.1)(PORT = 1521))
(CONNECT_DATA =
(BACKUP=DBA2)
(SERVICE_NAME = DBA.WORLD)
DBA2.WORLD =
(DESCRIPTION =
(ADDRESS_LIST =
(FAILOVER=ON)
(LOAD_BALANCE=ON)
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.2)(PORT = 1521))
(CONNECT_DATA =
(BACKUP=DBA1)
(SERVICE_NAME = DBA.WORLD)
)

Help on Listener and Tnsnames.ORA

Hi guys,
I just installed Oracle Discoverer Admin Ed Rel 4 recently and i can't connect to Discoverer as well as SQL+ due to listener and tnsnames problem. Can you pls. help me to configure the .ORA files needed for the connection. I was trying to build database and connections local to my laptop. Is this possible using TCP-Loopback?
Appreciate any help...
Thanks.
Enzo

There's another possible problem on the Windows platform: Database and Discoverer are installed in different Oracle homes, many people configure the sqlnet files inside the database's ORACLE_HOME, which are not read automatically by the other home(s). So solution is to copy all configuration files to ORACLE_HOME\network\admin of all ORACLE_HOMEs OR to set TNS_ADMIN, which points to one central location.
Werner

How to write the listener.ora and tnsnames.ora

Hi, there
I store my oracle database in the machine A. In the machine B,
it only install the oracle without create database. How should
I write the
listener.ora and tnsnames.ora? So that the machine B could
acces the database which store in the machines A.
Could you give me a simple example and with some description.
Thanks you very much!!
null

wrjih (guest) wrote:
: Hi, there
: I store my oracle database in the machine A. In the machine B,
: it only install the oracle without create database. How should
: I write the
: listener.ora and tnsnames.ora? So that the machine B could
: acces the database which store in the machines A.
: Could you give me a simple example and with some description.
: Thanks you very much!!
1 - you can simply copy the files from the server to the client.
If they are correct, it must work fine
2 - Follow the examples inside the
$ORACLE_HOME/network/admin/samples
3 - Follow my examples:
I will try to make it simple:
The server must have the listener.ora. The client does not need
it if you don't have a database there.
I cannot tell you what is mandatory in the file, and what is not.
The listener.ora has the interface (addr or name)
to listen, the port/proto, and some info about your database
($ORACLE_HOME and Name).
#--- Listener.ora -- my minimal settings ---
LISTENER =
(ADDRESS_LIST =
(ADDRESS=(PROTOCOL= TCP)(Host=Server)(Port= 1521))
(ADDRESS=(PROTOCOL= IPC)(KEY = ORCL))
STARTUP_WAIT_TIME_LISTENER = 1
CONNECT_TIMEOUT_LISTENER = 10
TRACE_LEVEL_LISTENER = OFF
TRACE_LEVEL_CLIENT=OFF
SID_LIST_LISTENER =
(SID_LIST=(SID_DESC=
(SID_NAME = SACS)
(ORACLE_HOME=/oracle/805)))
#---- end of listener.ora ---
Both machines can, and should have similar TNSNAMES.ORA:
tnsnames.ora has the address or name of the server, and the Name
of the database you wish to connect to.
#--- tnsnames.ora --- minimal.
ORCL = (DESCRIPTION =
(ADDRESS_LIST=(ADDRESS = (PROTOCOL = TCP)(Host=Server)(Port =
1521)))
(CONNECT_DATA = (SID = SACS)))
#--- end of tnsnames.ora ---
And finally sqlnet.ora, that is very usefull for setting secure
networks or
just logging for looking for errors. You can also set your
keepalive timeout.
#--- sqlnet.ora
TRACE_LEVEL_CLIENT = OFF
names.directory_path = (TNSNAMES)
SQLNET.EXPIRE_TIME = 10
#-- end of sqlnet.ora --
null

Tnsnames.ora, sqlnet.ora & listener.ora files are not exit

DB version: 10.2
Hello All,
I just joined the project and notice tnsnames.ora, sqlnet.ora & listener.ora files are not exit under $ORACLE_HOME/network/admin.
But still we can connect to the database,
From command prompt or via enterprise manager studio from client site.
Any idea?
OR
what is the best way to create above files in the existing database?
DN

tnsnames.ora and sqlnet.ora are client side files, listener.ora and sqlnet.ora are server side files.
Listener.ora need not exist if using defaults and dynamic registration of services. It may be possible to cope without all those files, depending on the environment.
Is the database on the local or remote computer and how are you connecting (from sqlplus)?
Maybe you have a tnsnames.ora somwhere else? (Try using find command) Maybe TNS_ADMIN is set?

TOAD/OID and TNSNAMES.ORA

We had OID installed on a trial basis here to replace tnsnames.ora files on servers, laptops and desktops. We have since uninstalled and removed all files and registry entries of the application from the server where it was installed.
I had my laptop set up to use OID and I removed my TNSNAMES.ORA file. I have since removed all files from my laptop that had anything to do with OID and I put in a new TNSNAMES.ORA file. At the present time I can delete my TNSNAMES.ORA file from my laptop and TOAD will still connect to Oracle. However, SQLPlus or any other tool I use to connect to Oracle will not connect. Also, I can connect to Oracle databases that are not in my current TNSNAMES.ORA file.
I have scanned my laptop looking for TNSNAMES.ORA files. I have set my registry to include a TNS_ADMIN entry to point to my current TNSNAMES.ORA file and I have set up user and system variables to point to my current TNSNAMES.ORA file but nothing seems to stop TOAD from using the Oracle connection strings that were established in OID. By the way, I uninstalled TOAD, cleaned out all files and registry entries that I know of; then I reinstalled TOAD. That didn't help either.
Does anybody have any ideas of where I can look to resolve this?
Thanks,
Tom

Is it possible, you are a 'victim' of hostname resolution? If there's a constellation like:
1)You have a host named host.something.com
2) You enter 'sqlplus scott/[email protected]'
then Oracle generates
          (DESCRIPTION=
          (CONNECT_DATA=(SID=*)(SERVICE_NAME=host.something.com))
          (ADDRESS=(PROTOCOL=TCP)(HOST=host.something.com)(PORT=1521))
Connect will succeed if you have a corresponding configuration on the server side,you don't need any configuration files on the client side.
BUT, since you have sqlnet.ora, which points to tnsnames as name resolution, it would mean TOAD ignores yout sqlnet.ora. Nevertheless host name resolution could be an explanation for this mysterious behaviour.

Listener.ora and Tnsnames.ora created in a different location

Hi All,
I have both the files i.e Listener.ora and Tnsnames.Ora in a location called D:\OraHome_1 and not in D:\OraHome_1\Network\Admin !! Also I do not have the sqlnet.ora file in either of these two locations.
Though conn sys/pswd@sid is working fine and DB is also up and running, "conn / as sysdba" is not working. I would like to restore these files in their actual location and make "conn / as sysdba also working".
Thanks in advance
-Aditi

Is perhaps TNS_ADMIN set to d:\orahome_1 ?where do i check this parameter ?
What does output of following tell youc:\> tnsping sid
C:\WINNT\system32>tnsping sid
TNS Ping Utility for 32-bit Windows: Version 10.2.0.1.0 - Production on 05-JUL-2006 19:17:26
Copyright (c) 1997, 2005, Oracle. All rights reserved.
Used parameter files:
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 'complete host name')(PORT = 1521))) (CONNECT_DATA = (SERVICE_NAME = SID)))
OK (30 msec)
***NOTE*** this leaves a blank space when it says 'Used parameter files:' Isn't this unusual ....!!
You may not need the listener.ora - it is kinda "optional". Not sqlnet.ora either. There are defaults to survive on.That's fine but I still would like to know why these files got created in a directory different from oraclehome\network\admin?

Dead conection detection and sqlnet.ora

Hello,
I´m having some doubts regarding the sqlnet.ora.
I´m configuring the sqlnet.expire_time=10 parameter in sqlnet.ora, restarted the listener and then I connected via a web conection and turned off my computer (client connection)
Sometimes in 18 or 20 minutes the connection closes, sometimes it remains connected for hours. I turned the trace on and I see a message that the net service read the sqlnet.expire_time = 10 parameter.
What could be wrong ? Anybody here had this kind of problems configuring dead conections detection ?
Another doubt. How can I set a inactivity time ? for example , if the user don´t make a query in 30 minutes he´s disconected... I already tried it configuring in Enterprise manager but it also failed.
SQLNET.EXPIRE_TIME
Purpose:
Determines time interval to send a probe to verify the session is alive
Default: None
Minimum Value: 0 minutes
Recommended Value: 10 minutes
Example:
sqlnet.expire_time=10
Thank you in advance,
Felipe

looking at the trace files we can see that the expire time is configured to 5 minutes . But making tests (like disconecting the net cable) I see a user conected and the 20 after 20 minutes it still conected ...
--- TRACE CONFIGURATION INFORMATION FOLLOWS ---
[13-SEP-2005 13:58:50:591] New trace stream is /oracle/db/9.2.0.4/network/admin/trace/svr_22551.trc
[13-SEP-2005 13:58:50:591] New trace level is 6
[13-SEP-2005 13:58:50:591] --- TRACE CONFIGURATION INFORMATION ENDS ---
[13-SEP-2005 13:58:50:591]
--- PARAMETER SOURCE INFORMATION FOLLOWS ---
[13-SEP-2005 13:58:50:591] Attempted load of system pfile source /oracle/db/9.2.0.4/network/admin/sqlnet.ora
[13-SEP-2005 13:58:50:591] Parameter source loaded successfully
[13-SEP-2005 13:58:50:591]
[13-SEP-2005 13:58:50:591] -> PARAMETER TABLE LOAD RESULTS FOLLOW <-
[13-SEP-2005 13:58:50:591] Successful parameter table load
[13-SEP-2005 13:58:50:591] -> PARAMETER TABLE HAS THE FOLLOWING CONTENTS <-
[13-SEP-2005 13:58:50:591] SQLNET.EXPIRE_TIME = 5
[13-SEP-2005 13:58:50:591] TRACE_DIRECTORY_SERVER = /oracle/db/9.2.0.4/network/admin/trace
[13-SEP-2005 13:58:50:591] SQLNET.ENCRYPTION_TYPES_SERVER = (RC4_128)
[13-SEP-2005 13:58:50:591] SSL_CIPHER_SUITES = (SSL_RSA_EXPORT_WITH_DES40_CBC_SHA, SSL_RSA_EXPORT_WITH_RC4_4
0_MD5)
[13-SEP-2005 13:58:50:592] SQLNET.ENCRYPTION_TYPES_CLIENT = (RC4_128)
[13-SEP-2005 13:58:50:592] WALLET_LOCATION = (SOURCE = (METHOD = FILE) (METHOD_DATA = (DIRECTORY = /oracle/d
b/9.2.0.4/network/admin)))
[13-SEP-2005 13:58:50:592] TRACE_LEVEL_SERVER = admin
[13-SEP-2005 13:58:50:592] NAMES.DIRECTORY_PATH = (TNSNAMES, ONAMES, HOSTNAME)
[13-SEP-2005 13:58:50:592] sqlnet.crypto_seed = fewkpfrepgomrepogmropegjerpogjpejvvmmrpm
[13-SEP-2005 13:58:50:592] SQLNET.CRYPTO_CHECKSUM_TYPES_CLIENT = (MD5)
[13-SEP-2005 13:58:50:592] SQLNET.CRYPTO_CHECKSUM_TYPES_SERVER = (MD5)
[13-SEP-2005 13:58:50:592] SSL_VERSION = 3.0
[13-SEP-2005 13:58:50:592] SQLNET.CRYPTO_CHECKSUM_SERVER = accepted
[13-SEP-2005 13:58:50:592] SQLNET.ENCRYPTION_CLIENT = accepted
[13-SEP-2005 13:58:50:592] SSL_CLIENT_AUTHENTICATION = TRUE
[13-SEP-2005 13:58:50:592] NAMES.DEFAULT_DOMAIN = sids.mg.gov.br
[13-SEP-2005 13:58:50:592] --- PARAMETER SOURCE INFORMATION ENDS ---
[13-SEP-2005 13:58:50:592]
--- LOG CONFIGURATION INFORMATION FOLLOWS ---
[13-SEP-2005 13:58:50:592] Log stream will be "/oracle/db/9.2.0.4/network/log/sqlnet.log"
[13-SEP-2005 13:58:50:592] Log stream validation not requested
[13-SEP-2005 13:58:50:592] --- LOG CONFIGURATION INFORMATION ENDS ---
If anybody here experienced this same problem please let me know..

Where the init.ora , tnsnames.ora, listener.ora, sqlnet.ora

If client-side and server-side software are located in different machines, basically, init.ora and listener.ora are located in the server-side, and tnsnames.ora and sqlnet.ora are located in the client-side, am I right?

The confusion comes because, as stated earlier by Sanjay, a server could also be a client...
Here a very simple example on one and only one Windows machine with the same user :
---here it is a connection as from client
E:\apps\oracle\ora1110PE\NETWORK\ADMIN>tnsping demo111p
TNS Ping Utility for 32-bit Windows: Version 11.1.0.7.0 - Production on 21-JUN-2009 09:36:38
Copyright (c) 1997, 2008, Oracle. All rights reserved.
Used parameter files:
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = phoenix)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = DEMO111P)))
OK (10 msec)
E:\apps\oracle\ora1110PE\NETWORK\ADMIN>sqlplus scott/demo111@demo111p
SQL*Plus: Release 11.1.0.7.0 - Production on Sun Jun 21 09:27:02 2009
Copyright (c) 1982, 2008, Oracle. All rights reserved.
Connected to:
Personal Oracle Database 11g Release 11.1.0.7.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> quit
Disconnected from Personal Oracle Database 11g Release 11.1.0.7.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
--- we remove the sqlnet.ora
E:\apps\oracle\ora1110PE\NETWORK\ADMIN>rename sqlnet.ora _sqlnet.ora
---here it is a connection as from client
E:\apps\oracle\ora1110PE\NETWORK\ADMIN>tnsping demo111p
TNS Ping Utility for 32-bit Windows: Version 11.1.0.7.0 - Production on 21-JUN-2009 09:37:30
Copyright (c) 1997, 2008, Oracle. All rights reserved.
Used parameter files:
TNS-03505: Failed to resolve name
E:\apps\oracle\ora1110PE\NETWORK\ADMIN>sqlplus scott/demo111@demo111p
SQL*Plus: Release 11.1.0.7.0 - Production on Sun Jun 21 09:27:11 2009
Copyright (c) 1982, 2008, Oracle. All rights reserved.
ERROR:
ORA-12154: TNS:could not resolve the connect identifier specified
Enter user-name:
---here it is a connection as from server, still working, in that case it does not use tnsnames/sqlnet
E:\apps\oracle\ora1110PE\NETWORK\ADMIN>set ORACLE_SID=demo111p
E:\apps\oracle\ora1110PE\NETWORK\ADMIN>sqlplus scott/demo111
SQL*Plus: Release 11.1.0.7.0 - Production on Sun Jun 21 09:27:37 2009
Copyright (c) 1982, 2008, Oracle. All rights reserved.
Connected to:
Personal Oracle Database 11g Release 11.1.0.7.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL>So, we are on server, the behaviour change depending what we are connecting with (client or server method).
Nicolas.

Connect with ldap.ora and sqlnet.ora

Hi
I am trying to connect Raptor to 9i oracle server. Our server connects using ldap.ora and sqlnet.ora files. I looked at some threads about this issue but do not understand how to connect. Is there a step by step instruction for connecting this way?
Thanks
DH

Hi VRamirez,
That's a pretty cool workaround. I'm sorry to hear it didn't work perfectly.
Here is the "low tech" workaround anyone can use -
From the %ORACLE_HOME% where your sqlnet.ora is, run %ORACLE_HOME%\bin\tnsping eg.
C:\> tnsping oracle.world
TNS Ping Utility for 32-bit Windows: Version 10.2.0.1.0 - Production on 21-APR-2006 22:56:31
Copyright (c) 1997, 2005, Oracle. All rights reserved.
Used parameter files:
c:\oracle\oracli92\network\admin\sqlnet.ora
Used LDAP adapter to resolve the alias
Attempting to contact (DESCRIPTION=(SOURCE_ROUTE=OFF)(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=oracle.xxxx.xx)(
PORT=xxxx)))(CONNECT_DATA=(SID=ORCL))(SRVR=SHARED))
OK (200 msec)
C:\>
Now copy the (DESCRIPTION=...) and paste it into the advanced TNS info tab in the Connections dialog. This works for me for everything but RAC TNS aliases which have load balancing and failover configured -- the advanced TNS info tab chokes on those. For such connections, I was able to use the JDBC string.
-Natalka
http://toolkit.rdbms-insight.com

Listener.ora and tnsnames.ora

What are the differences between the files listerner.ora and tnsname.ora in terms of their functions? Their contents are so similiar. Thks.
A beginner

I need to use ADO with the connection string
"provider=sqloledb; server=OrclServer;
DATABASE=PMSYS;UID=PMUSER;PWD=" in the application IWhy do you "need" to use the MS OLE DB data provider for SQL Server (SQLOLEDB)?
And the rest of the connection string you are trying to use looks like one for odbc dsn-less connection. Be sure you are using the correct syntax when you have decided on the type of data access api that is suitable for your application and database.
You should probably be using OraOLEDB.Oracle data provider, Like Sybrand suggested. Also, be aware of other obsolete providers such as msdaora and msdasql - I'd suggest that you do not use these for a new application (unless you really know what you are doing).
If you are developing with .NET Framework, then you have another range of data providers to choose from. If you are developing for Oracle data sources, the one from Oracle should be your first choice: ODP.NET.
Message was edited by:
orafad

Setting the listener and tnsnames.ora

Hi,
I have two node cluster database 10.2.0.4 on Linux. Someone messed up with the tnsnames file and also the local,remote listener setting are gone during the switchover.
Now I just want to replace the new tns entries,listener entries, set the local/remote listener and then register the local/remote listener. During these changes it will not affect the applications, but just want to know is there any specific steps which I have to keep in mind.
Thank you.
Edited by: 936264 on May 23, 2012 8:52 AM

Hi
Did you not back them up? :-)
The answer to your question is yes. Basically, you need your listener referenced in the listener.ora for each node, then you need to reference those listeners in your tnsnames.ora - one for your local listener and another for your remote listener. A good starting point will be what you've got in your LOCAL_LISTENER and REMOTE_LISTENER parameter - that will show the names of the entries you need to create in the tnsnames.ora. I have all entries in the listener.ora and tnsnames.ora on both nodes just for simplicity but you don't have to do that.
Any idea what port you used for your listener? The default 1521?
A couple of examples from my test system:
listener.ora (we use port 1550 by the way):
LISTENER_DEVDB_NODE1 =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = node1-vip)(PORT = 1550)(IP = FIRST))
(ADDRESS = (PROTOCOL = TCP)(HOST = node1)(PORT = 1550)(IP = FIRST))
tnsnames.ora
LISTENER_DEVDB_NODE1 =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = node1-vip)(PORT = 1550)(IP = FIRST))
LISTENER_DEVDB_NODE2 =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = node2-vip)(PORT = 1550)(IP = FIRST))
LISTENERS_DEVDB =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = node1-vip)(PORT = 1550)(IP = FIRST))
(ADDRESS = (PROTOCOL = TCP)(HOST = node2-vip)(PORT = 1550)(IP = FIRST))
So our local listener is LISTENER_DEVDB_NODEn for each and REMOTE_LISTENER is LISTENERS_DEVDB on each node.
Hope that helps. Any further questions let me know....
cheers,
Mark
orabackus.wordpress.com

Path of Sqlnet.ora and Tnsnames.ora

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