Hello,

I think I know the answer but in case of I'm wrong ;-)

If I run multiple instance of Informix Server [Same Version 14.10.FC3] on the same Linux Machine [Red Hat Enterprise Linux Server 7.9], is it mandatory to have for each instance a different port ? Are we not able to use the standard port 1525 for all the instances ?

Regards,

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Noreddine Allay
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#Informix

Noreddine:

The combination of IP address (or host name) and Port # (or service name) must be unique among not just all instances on a single box but among all aliases of all instances on a single box.

If your server has multiple DBSERVERALIAS entries that are network connections (say one for encrypted communication, another using SSL, etc.) then each much either use a different NIC or a different port on the same NIC.

Art​

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Art S. Kagel, President and Principal Consultant
ASK Database Management Corp.
www.askdbmgt.com
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We have some legacy Delphi apps that are locked to port 1525. As Art suggested, we've gotten around this by using multiple IPs, one for each DBSERVERNAME/DBSERVERALIAS that needs to listen on that port.

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TOM GIRSCH
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