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MQSeries.net Forum Index » General IBM MQ Support » How to bind a qmanager to a single virtual IP on Mutihomed S

How to bind a qmanager to a single virtual IP on Mutihomed S

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Ilya

Posted: Thu Apr 18, 2002 1:21 pm Post subject:

Newbie

Joined: 17 Apr 2002
Posts: 5

What if I want to bind each Qmanager to a specific Virtual IP address. For
example: I do not want to use different ports, rather I would listen on the same port (1414) but ont he differnt ip on the same
machine. How can this be accomplished? What can I use instead of /etc/services entree? Or how can this entree be modified?
TIA Ilya

rwa

Posted: Fri Apr 19, 2002 4:43 am Post subject:

Voyager

Joined: 22 Jan 2002
Posts: 76
Location: Duesseldorf/Germany

A solution is to configure the listener to listen only on a single ip-address. This can be done by editing the section TCP in file qm.ini
[TCP]
PORT=n
IPADDR=x.x.x.x or hostname

mrlinux

Posted: Fri Apr 19, 2002 10:27 am Post subject:

Grand Master

Joined: 14 Feb 2002
Posts: 1261
Location: Detroit,MI USA

Just an FYI on LINUX!! This works

NOTE: Didnt try MQ due to resource constraints on box I tested

I setup 2 virtual IPs on the loop back device

and added the following to my inetd.conf

128.0.0.1:telnet1 stream tcp nowait root /usr/sbin/tcpd in.telnetd
129.0.0.1:telnet2 stream tcp nowait root /usr/sbin/tcpd in.ftpd

added the following to my services file
telnet1 1414/tcp
telnet2 1414/tcp

restarted inetd
when I issue a telnet to 128.0.0.1 1414 I get telnet session
when I issue a telnet to 129.0.0.1 1414 I get a ftp session

Now if the inetd works the same on Sun then this type of setup will allow you
to listen on 1414 for more than 1 queue manager if you have the seperate virtual IP Address

_________________
Jeff

IBM Certified Developer MQSeries
IBM Certified Specialist MQSeries
IBM Certified Solutions Expert MQSeri

_________________
[ This Message was edited by: mrlinux on 2002-04-19 11:28 ]

[ This Message was edited by: mrlinux on 2002-04-19 11:32 ]

rwa

Posted: Sun Apr 21, 2002 11:12 pm Post subject:

Voyager

Joined: 22 Jan 2002
Posts: 76
Location: Duesseldorf/Germany

I was just able to test the configuration with IPADDR. This feature is documented in the book IBM MQ Series Intercommunication (Appendix C). If I set this feature the listener did not start. The errormessage is "AMQ9224: Unexpected token detected.".

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