84 lines
5.9 KiB
HTML
84 lines
5.9 KiB
HTML
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<meta name="DC.Title" content="Trace connection" />
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<meta name="abstract" content="You can trace encrypted data to locate the source of the problem by using trace connection. Trace connection is especially useful for connections, such as virtual Ethernet and OptiConnect, that do not support the general communications trace function." />
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<title>Trace connection</title>
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</head>
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<body id="traceconn"><a name="traceconn"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Trace connection</h1>
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<div><p>You can trace encrypted data to locate the source of the problem
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by using trace connection. Trace connection is especially useful for connections,
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such as virtual Ethernet and OptiConnect, that do not support the general
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communications trace function.</p>
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<p>The Trace connection (TRCCNN) command is a service function that provides
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output similar to the general communications trace. The TRCCNN SET (*ON) TRCTYPE(*IP)
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SIZE(128000) traces data at the Licensed Internal Code TCP/IP layer.</p>
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<div class="p">Trace connection is useful for situations in which the general communications
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trace is not available or not effective. For example: <ul><li>You have TCP applications that use Secure Sockets Layer (SSL) or you use
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IP security. In either case, the data that flows over the communications line
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is encrypted. Therefore, the general communications trace might not be helpful
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if you need to see the data. Trace connection traces the data before encryption
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and after decryption and therefore, can be used when the general communications
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trace is not effective.</li>
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<li>You are using TCP/IP over a connection that does not support the general
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communications trace function, such as Loopback, OptiConnect, or Twinaxial.
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In this situation, you can use the trace connection as an alternative method
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for generating a trace.</li>
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</ul>
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</div>
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<p>To use the CL commands to perform a trace connection, you must have *SERVICE
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special authority, or be authorized to the Service Trace function of i5/OS™ through iSeries™ Navigator.
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See the chapter on user profiles in iSeries Security Reference for more information
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about this type of authority.</p>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzakutoolstrc.htm" title="You can use various trace tools to solve problems with your TCP/IP connectivity.">Tools for tracing data and jobs</a></div>
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</div>
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<div class="relconcepts"><strong>Related concepts</strong><br />
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<div><a href="rzakutraceconn.htm" title="You can trace encrypted data to locate the source of the problem by using trace connection. Trace connection is especially useful for connections, such as virtual Ethernet and OptiConnect, that do not support the general communications trace function.">Trace connection</a></div>
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<div><a href="rzakutrctcpapp.htm" title="Use the Trace TCP Application (TRCTCPAPP) command to trace data that pertains to specific TCP/IP applications servers.">Trace TCP application</a></div>
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</div>
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<div class="reltasks"><strong>Related tasks</strong><br />
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<div><a href="rzakujobtrace.htm" title="Use the job trace tool to trace data in any job to help identify your problem.">Job trace</a></div>
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<div><a href="rzakucommunictrace.htm" title="You can use communications trace to determine whether your data is being transmitted correctly across the network.">Communications trace</a></div>
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</div>
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<div class="relref"><strong>Related reference</strong><br />
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<div><a href="../cl/trccnn.htm">Trace Connection (TRCCNN) command</a></div>
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</div>
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<div class="relinfo"><strong>Related information</strong><br />
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<div><a href="../books/sc415302.pdf" target="_blank">iSeries Security Reference PDF</a></div>
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</div>
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</div>
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</body>
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