86 lines
4.9 KiB
HTML
86 lines
4.9 KiB
HTML
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<meta name="DC.Title" content="Scenario: SNA direct connection to a host system" />
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<title>Scenario: SNA direct connection to a host system</title>
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<body id="rzak3directhostcenario"><a name="rzak3directhostcenario"><!-- --></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">Scenario: SNA direct connection to a host system</h1>
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<div><p><a href="#rzak3directhostcenario__rzak3sna3745fig">Figure 1</a> shows the
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configuration of an iSeries™ system for frame-relay communications with
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a 3745 Host Controller.</p>
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<div class="fignone" id="rzak3directhostcenario__rzak3sna3745fig"><a name="rzak3directhostcenario__rzak3sna3745fig"><!-- --></a><span class="figcap">Figure 1. SNA direct connection to 3745 host controller</span><br /><img src="rzak3509.gif" alt="SNA direct connection to
3745 host controller" /><br /></div>
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<p>The 3745 provides frame-relay network function, and the iSeries is
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configured as a terminal equipment (TE).</p>
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<p>A 64000-bps V.35 line exists between the iSeries and
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the 3745. The iSeries system
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might also have data link connection identifier (DLCI) connections to multiple
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3745s, 6611s, and RouteXpanders through the 3745. However, these configurations
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are not shown as part of this scenario.</p>
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<p>There is a single permanent virtual circuit (PVC) connection
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between the iSeries and
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the host system. This connection supports a 3270 emulation device used to
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access applications on the host. It also includes a distributed host command
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facility (DHCF) session.</p>
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<p><strong>Configuration for the iSeries system</strong></p>
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<p>Use the following commands to configure the iSeries system
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using an SNA direct connection with the 3745 and the host system:</p>
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<pre>CRTNWIFR NWID(FR3745) RSRCNAME(LIN121) +
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INTERFACE(*V35)<sup>1</sup> LINESPEED(64000)<sup>1</sup> +
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LMIMODE(*TE)<sup>2</sup> TEXT('Frame relay connection to 3745')
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CRTLINFR LIND(FR3745) NWI(FR3745) NWIDLCI(26) +
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EXCHID(05636759) TEXT('DLCI connection to the host')
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CRCTCLHOST CTLD(FRHOST) LINKTYPE(*FR) APPN(*NO) +
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SWTLINLST(FR3745) MAXFRAME(8182) +
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SSCPID(050000000001) SWTDSC(*YES) +
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TEXT('Remote host system')
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CRTDEVDSP DEVD(FRDHCF) DEVCLS(*RMT) TYPE(3277) +
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MODEL(*DHCF) LOCADR(02) CTL(FRHOST) +
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TEXT('Remote host system dhcf device')
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CRTDEVHOST DEVD(FREML) LOCADR(01) RMTLOCNAME(HOSTSYS) +
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CTL(FRHOST) APPTYPE(*EML) +
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TEXT('Emulation device to remote host')</pre>
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<div class="note"><span class="notetitle">Notes:</span> <ol><li>The INTERFACE and LINESPEEED parameters must match the characteristics
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of the line to the 3745.</li>
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<li>The LMI mode is the default value of *TE, which means the iSeries acts
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as the terminal equipment. You must configure the 3745 as the frame handler
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(FH) by using ANSI Annex D (DLCI 0).</li>
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<li>By creating a frame-relay line description (CRTLINFR), you indicate that
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the DLCI is connected to another device. The device supports the frame-relay
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SNA direct frame format of RFC 1490, such as the 3745.</li>
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<li>The DLCI for the line must match the DLCI that you assigned in the configuration
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of the 3745.</li>
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</ol>
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</div>
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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="rzak3rzak3snadirscenario.htm" title="This topic provides example scenarios of Systems Network Architecture (SNA) direct configuration.">Scenarios: SNA direct configuration for frame relay</a></div>
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</div>
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</div>
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</body>
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</html>
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