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MQSeries.net Forum IndexGeneral DiscussionFirewall Debugging on z/OS

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cicsprog
PostPosted: Tue Dec 14, 2004 3:52 am Post subject: Firewall Debugging on z/OS Reply with quote

Partisan

Joined: 27 Jan 2002
Posts: 347
Beside “TSO PING” and “MQ PING”, does anyone have any other utilities or places to look in z/OS to see if MQ Channels are failing due to a firewall? My firewall admins are difficult to locate and convince it’s a firewall issue.
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jefflowrey
PostPosted: Tue Dec 14, 2004 4:36 am Post subject: Reply with quote

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981
The system on one side or the other of the channel should log an error message when the channel fails to start, that indicates a TCP/IP error code.

That'll help you tell what the reason is.
_________________
I am *not* the model of the modern major general.
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rtsujimoto
PostPosted: Tue Dec 14, 2004 8:05 am Post subject: Reply with quote

Centurion

Joined: 16 Jun 2004
Posts: 119
Location: Lake Success, NY
A traceroute is the usual tool network guys/gals use to determine how far a packet got.
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offshore
PostPosted: Wed Dec 15, 2004 6:56 am Post subject: Reply with quote

Master

Joined: 20 Jun 2002
Posts: 222
cicsprog,

Have you tried to telnet from the mainframe to the destination?
Did it work before and now has quit?

Does the mainframe use VIPA addresses? One thing to remember is that MQ will send out using the physical adapter address not the vipa address.

Issue a TSO NETSTAT CO and see what address the XXXCHIN address space is using.

A TSO NETSTAT HO will show you all the available IP address on that system.

HTH
Offshore
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