177 lines
5.7 KiB
HTML
177 lines
5.7 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<meta name="Copyright" content="Copyright (c) 2006 by IBM Corporation">
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<title>Change Mode Name (QNMCHGMN) API</title>
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<!-- Begin Header Records ========================================== -->
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<!-- NETMG2 SCRIPT A converted by B2H R4.1 (346) (CMS) by HOLTJM at -->
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<!-- RCHVMW2 on 29 Jan 1999 at 10:01:37 -->
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<!-- Change History: -->
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<!-- YYMMDD USERID Change description -->
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<!--File Edited December 2001 -->
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<!--End Header Records -->
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<link rel="stylesheet" type="text/css" href="../rzahg/ic.css">
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</head>
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<body>
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<a name="Top_Of_Page"></a>
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<!-- Java sync-link -->
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<script language="Javascript" src="../rzahg/synch.js" type="text/javascript">
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</script>
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<h2>Change Mode Name (QNMCHGMN) API</h2>
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<div class="box" style="width: 60%;">
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<br>
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Required Parameter Group:<br>
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<!-- iddvc RMBR -->
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<br>
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<table width="100%">
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<tr>
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<td align="center" valign="top" width="10%">1</td>
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<td align="left" valign="top" width="50%">Handle</td>
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<td align="left" valign="top" width="20%">Input</td>
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<td align="left" valign="top" width="20%">Binary(4)</td>
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</tr>
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<tr>
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<td align="center" valign="top">2</td>
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<td align="left" valign="top">Mode name</td>
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<td align="left" valign="top">Input</td>
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<td align="left" valign="top">Char(8)</td>
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</tr>
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<tr>
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<td align="center" valign="top">3</td>
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<td align="left" valign="top">Error code</td>
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<td align="left" valign="top">I/O</td>
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<td align="left" valign="top">Char(*)</td>
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</tr>
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</table>
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<br>
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Default Public Authority: *USE<br>
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<!-- iddvc RMBR -->
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<br>
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Threadsafe: No<br>
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<!-- iddvc RMBR -->
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<br>
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</div>
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<p>The Change Mode Name (QNMCHGMN) API, an SNA/Management Services Transport API, sets the APPC mode name used when sending requests.</p>
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<p>When a specific mode name is specified, direct routing is used. The result is a direct session from the source system to the target system.</p>
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<p>Data sent using the system mode name SNASVCMG is sent at network priority, which means that data specifying this mode flows before any other data. Setting the mode to something other than SNASVCMG can lessen the effect on network performance and allow bulk data transfer. If large amounts of data are to be sent relative to the speed of the communications medium, then consider another mode. A mode object specified by its name in the mode name parameter must exist at the time this API is called.</p>
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<br>
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<!-- Please NOTE: DO NOT DELETE THIS SECTION if this API has no authorities and locks. -->
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<!-- Instead, use the commented out coding below to indicate NONE. -->
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<h3>Authorities and Locks</h3>
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<!-- Use this if there are no authorities and locks. -->
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<p>None.</p>
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<br>
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<h3>Required Parameter Group</h3>
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<dl>
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<dt><strong>Handle</strong></dt>
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<dd>INPUT; BINARY(4)
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<p>The unique identifier for this application, which was returned by the Start Application (QNMSTRAP) API.</p>
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</dd>
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<dt><strong>Mode name</strong></dt>
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<dd>INPUT; CHAR(8)
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<p>The APPC mode name used on subsequent requests. Special values are:</p>
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<table cellpadding="3">
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<!-- cols="10 90" -->
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<tr>
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<td align="left" valign="top"><em>*NETATR</em></td>
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<td valign="top">The current default mode name specified in the network attributes.</td>
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</tr>
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<tr>
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<td align="left" valign="top"><em>*DFTRTG</em></td>
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<td valign="top">A CPSVCMG session is used between end nodes and network nodes, and an SNASVCMG session is used between network nodes. CPSVCMG may not be specified. *DFTRTG is the default value, and it may require multiple APPN sessions to transport the data. In this case, the network node server performs SNA/Management Services routing for all end node traffic. This results in fewer sessions in the network and a slower response time.</td>
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</tr>
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</table>
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<p><strong>Note:</strong> Some non-iSeries products only support *DFTRTG.</p>
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</dd>
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<dt><strong>Error code</strong></dt>
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<dd>I/O; CHAR(*)
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<p>The structure in which to return error information. For the format of the structure, see <a href="../apiref/error.htm#hdrerrcod">Error Code Parameter</a>.</p>
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</dd>
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</dl>
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<br>
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<h3>Error Messages</h3>
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<table width="100%" cellpadding="3">
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<!-- cols="15 85" -->
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<tr>
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<th align="left" valign="top">Message ID</th>
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<th align="left" valign="top">Error Message Text</th>
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</tr>
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<tr>
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<td align="left" valign="top">CPF24B4 E</td>
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<td valign="top">Severe error while addressing parameter list.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3C90 E</td>
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<td valign="top">Literal value cannot be changed.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF3CF1 E</td>
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<td valign="top">Error code parameter not valid.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF7AE2 E</td>
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<td valign="top">Handle &1 not found.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF7AE4 E</td>
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<td valign="top">Mode name &3 not valid.</td>
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</tr>
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<tr>
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<td align="left" valign="top">CPF9872 E</td>
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<td valign="top">Program or service program &1 in library &2 ended. Reason code &3.</td>
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</tr>
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</table>
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<br>
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<hr>
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API introduced: V2R2
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<hr>
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<center>
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<table cellpadding="2" cellspacing="2">
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<tr align="center">
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<td valign="middle" align="center"><a href="#Top_Of_Page">Top</a> | <a
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href="netmg.htm">Network Management APIs</a> | <a href="aplist.htm">APIs
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by category</a></td>
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</tr>
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</table>
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</center>
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</body>
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</html>
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