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Oracle on multihomed host

We have a client running Oracle 11g on a server with 2 NICs. Only one is currently enabled, as the machine is servicing a community of users on a network related to a large construction project. The client now wants people on another related project to be able to use the Oracle instance on this machine, which will require the activation of the second NIC so that it appears on the other project's network as well.

What (if anything) do we need to do to the Oracle instance to ensure that it serves requests for data via port 1521 on both IP addresses? I assume we may need to edit some .ora files but detailed guidance would be welcome.

Thanks in advance

Richard

johnsone

The one I can think of is the listener.ora file. I am not sure you can listen on 2 addresses with one listener. We always set up a separate listener for situations like this. That way we can control each NIC separately.

Richard Jebb

ASKER

Can you point me at any docs for how to set up a listener, as I assume there will only be one on this machine at the moment. I am not an Oracle expert, my expertise is with the application using the database and the client doesn't have any Oracle DBA skills inhouse.

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johnsone

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Richard Jebb

ASKER

Thanks for this - hours of fun with network parameters ahead!