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MQSeries.net Forum IndexGeneral IBM MQ SupportConnectivity issue between Unix and Z/OS

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jotwanimukul
PostPosted: Mon Nov 02, 2020 9:24 am Post subject: Connectivity issue between Unix and Z/OS Reply with quote

Newbie

Joined: 21 Jul 2020
Posts: 3

Hello all.

We are currently facing connectivity issue between Distribute to Mainframe queue manager.
Both Distributed and Mainframe queue manager on running Version 9.1.
We have created one sender channel from Distribute queue manager toward Mainframe queue manager. We have configured SSLCIPH as "ECDHE_RSA_AES_128_GCM_SHA256" on both sender and receiver channels.
When we try to start the channel, We are getting below error in our logs.
On Distributed Side.
AMQ9209E: Connection to host 'svipa-XXXX (xxx.xx.x.xx)(xxxx)' for channel.

While on Mainframe side, we are seeing below error.
+CSQX053E < CSQXFFST Error information recorded in CSQSNAP data set
+CSQX207E <CSQXRESP Invalid data received, 910
connection XXXXXX (XX.XXX.XXX.XXX)
(queue manager ????)
TRPTYPE=TCP
+CSQX504E < CSQXRESP Local protocol error, 911
channel
type=0000000B data=00000000

When we remove the SSLCIPH, the channel is running fine, but with SSLCIPH we are getting error.

Can you please help us on the same

Thanks
Mukul
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exerk
PostPosted: Mon Nov 02, 2020 11:48 am Post subject: Reply with quote

Jedi Council

Joined: 02 Nov 2006
Posts: 6206

Questions:

1. What platform is the distributed queue manager?
2. What's in the logs of the distributed queue manager?
_________________
It's puzzling, I don't think I've ever seen anything quite like this before...and it's hard to soar like an eagle when you're surrounded by turkeys.

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hughson
PostPosted: Tue Nov 03, 2020 1:09 am Post subject: Reply with quote

Padawan

Joined: 09 May 2013
Posts: 1512
Location: Bay of Plenty, New Zealand

I see you are using a VIPA address. Is this a QSG? Is the SSLCIPH configured on the channel on all queue managers?

What is the data shown as having been received in the CSQSNAP dump on the CHINIT job? Remember to scroll right to see the whole width.

Cheers,
Morag
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Morag Hughson @MoragHughson
IBM MQ Technical Education Specialist
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