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| HACMP auto cluster-sender channel firewall |
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| gerimqseries |
 Posted: Tue Jul 12, 2011 5:33 am Post subject: HACMP auto cluster-sender channel firewall |
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Apprentice
Joined: 03 Aug 2009
Posts: 30
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Dear Experts,
the situation is the following:
I have a QM1 QManager on a host which has two ip address, because of HACMP configuration, one is the host ip, one is the service ip, the service ip owns the QManager. I have another host in the HACMP, with QM2.
I set the QManager's listener's ip address to the service ip.
I made a full repository cluster with QM1 and QM2, it works well.
Now I have to connect a third host with QMFW to this full repository, but this is behind a firewall. My colleagues set the firewall rule to the service ip-s, but the auto cluster-sender channel can not start!
With "netstat" I see, that the connection wants to go out from the host ip, it should be the service ip! Sure I do not have fw rule to it (it should not to be)!
I can not set "locladdr" property to an auto cluster-sender channel.
What do You suggest?
How to force an auto cluster-sender channel to communicate from the service ip address?
Thank You. |
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| Vitor |
| Posted: Tue Jul 12, 2011 5:37 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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What IP address is in the cluster receiver on QM1 & QM2? Is it the HACMP controlled service ip? If not, why not? What additional configuration have you on HACMP and/or WMQ to make that unnecessary?
Is the host ip fully forwarded to the service ip by HACMP?
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Honesty is the best policy.
Insanity is the best defence. |
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| zpat |
| Posted: Tue Jul 12, 2011 5:40 am Post subject: |
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Jedi Council
Joined: 19 May 2001
Posts: 5866
Location: UK
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| Can you set the LOCLADDR value for the channel? This will ensure the outbound IP address (and/or port) is the one you want. |
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| skoobee |
| Posted: Tue Jul 12, 2011 7:20 am Post subject: |
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Acolyte
Joined: 26 Nov 2010
Posts: 52
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It is not possible to set the LOCLADDR attribute on a CLUSSDR channel. It is always overwritten by the value on the CLUSRCVR.
To set the LOCLADDR you must use a channel auto-definition exit. |
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| gerimqseries |
| Posted: Wed Jul 13, 2011 2:25 am Post subject: |
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Apprentice
Joined: 03 Aug 2009
Posts: 30
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The "locladdr" for CLUSSDR has been already set.
If I set on QM1 CLUSRCVR "locladdr" value for it's service ip, on the other side for example QMFW the "Auto explicit cluster/sender channel" has that ip address in the "locladdr" parameter, which does not exist there 
Sure I have "AMQ9248: The program could not bind to a TCP/IP socket" there.
Maybe the exit should be the solution, what skoobee wrote, or to add the host ip addresses to the firewall rules...
Thank You! |
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| RogerLacroix |
| Posted: Wed Jul 13, 2011 9:47 am Post subject: |
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Jedi Knight
Joined: 15 May 2001
Posts: 3264
Location: London, ON Canada
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| gerimqseries wrote: |
| Maybe the exit should be the solution, what skoobee wrote, or to add the host ip addresses to the firewall rules... |
If you are interested in a CHAD exit solution then have a look at: MQ Channel Auto Creation Manager (MQCACM). MQCACM can set/override most fields of a CLUSSDR channel including the connection name field.
Regards,
Roger Lacroix
Capitalware Inc.
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