102 lines
6.0 KiB
HTML
102 lines
6.0 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<meta name="DC.Title" content="Configuration objects for frame relay" />
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<meta name="abstract" content="There are several options for network interface description, line description, and controller description." />
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<meta name="description" content="There are several options for network interface description, line description, and controller description." />
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<title>Configuration objects for frame relay</title>
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</head>
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<body id="rzak3configob"><a name="rzak3configob"><!-- --></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">Configuration objects for frame relay</h1>
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<div><p>There are several options for network interface description, line
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description, and controller description.</p>
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<p>The IBM<sup>®</sup> <span><img src="eserver.gif" alt="eServer" /></span> iSeries™ system uses the following configuration
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objects for frame-relay communications:</p>
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<dl><dt class="dlterm">Network interface description</dt>
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<dd>The network interface (NWI) description defines the characteristics of
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the physical connection, including: <ul><li>Physical interface used</li>
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<li>LMI mode</li>
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<li>LMI timer and retry values</li>
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<li>DLCI numbers assigned to the virtual connections</li>
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</ul>
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Use the Create Network Interface (Frame Relay) (CRTNWIFR) command
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to create one NWI description for each input-output adapter (IOA).</dd>
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<dt class="dlterm">Line description</dt>
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<dd>The line description defines the logical connection to
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the network. You can attach up to 256 line descriptions to each frame-relay
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network interface. You must create one line description for each data link
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connection identifier (DLCI) that is used. Use the following CL commands to
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create line descriptions attached to frame-relay NWI descriptions: <dl><dt class="dlterm">CRTLINFR</dt>
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<dd>Systems Network Architecture (SNA) or IP direct connections
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to remote systems that support the frame-relay communications protocol, such
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as an SNA direct connection to another iSeries system or 3745 Communications
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Controller</dd>
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<dt class="dlterm">CRTLINTRN</dt>
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<dd>Bridged token-ring network connections</dd>
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<dt class="dlterm">CRTLINDDI</dt>
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<dd>Bridged distributed data interface (DDI) network connections</dd>
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<dt class="dlterm">CRTLINETH</dt>
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<dd>Bridged Ethernet network connections</dd>
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</dl>
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</dd>
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<dt class="dlterm">Controller description</dt>
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<dd>Use the controller description to define the remote system or controller.
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You can attach up to 256 controller descriptions to each line description.
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However, the NWI description supports no more than 256 active controllers.
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Controller descriptions occur across a number of line descriptions. Use the
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following CL commands to create controller descriptions for frame-relay communications: <dl><dt class="dlterm">CRTCTLAPPC</dt>
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<dd>Advanced Program-to-Program Communication (APPC) controllers
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represent systems that support APPC or Advanced Peer-to-Peer Networking (APPN)
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communications. APPC controllers typically represent iSeries systems and personal computers.</dd>
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<dt class="dlterm">CRTCTLHOST</dt>
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<dd>SNA host controllers represent controllers such as the 3745 controller
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running NCP.</dd>
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<dt class="dlterm">CRTCTLNET</dt>
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<dd>Network controllers are used for direct IP connections. They are automatically
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created when you configure and start TCP/IP communications for frame relay.</dd>
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</dl>
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The value specified for the LINKTYPE parameter on the controller
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description determines the type of line description to which the controller
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can be attached: <ul><li>Controller descriptions that specify LINKTYPE(*FR) attach only to frame-relay
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line descriptions.</li>
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<li>Controller descriptions that specify LINKTYPE(*LAN) attach to token-ring,
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DDI, or Ethernet lines.</li>
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</ul>
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You can configure both APPC and SNA host controllers as APPN(*YES). If
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you configure the controllers as APPN(*NO), then you must also create APPC
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or SNA host device descriptions for each session that the remote system supports.</dd>
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</dl>
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<p><a href="#rzak3configob__rzak3configobfig">Figure 1</a> shows
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an example of objects that are configured for frame-relay communications,
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including the NWI, line descriptions (LINDs), and controller descriptions
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(CTLDs).</p>
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<div class="fignone" id="rzak3configob__rzak3configobfig"><a name="rzak3configob__rzak3configobfig"><!-- --></a><span class="figcap">Figure 1. Example of objects configured for frame-relay
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communications</span><br /><img src="rzak3502.gif" alt="Example of objects configured
for frame-relay communications" /><br /></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="rzak3overview.htm">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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