59 lines
3.8 KiB
HTML
59 lines
3.8 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<meta name="DC.Type" content="concept" />
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<meta name="DC.Title" content="LAN IOA addresses" />
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<meta name="abstract" content="In a Systems Network Architecture (SNA) environment, you can determine the address for each input/output adapter (IOA)." />
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<meta name="description" content="In a Systems Network Architecture (SNA) environment, you can determine the address for each input/output adapter (IOA)." />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1999, 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 1999, 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="choosing_lan_physical_address" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>LAN IOA addresses</title>
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</head>
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<body id="choosing_lan_physical_address"><a name="choosing_lan_physical_address"><!-- --></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">LAN IOA addresses</h1>
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<div><p>In a Systems Network Architecture (SNA) environment, you can determine
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the address for each input/output adapter (IOA).</p>
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<p>You can use one of two addresses:</p>
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<ul><li>The manufacturer-assigned address that is otherwise known as the burned-in
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address, preset address, or universally-administered address.</li>
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<li>The locally administered address.</li>
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</ul>
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<p>You define the locally administered address, and the system associates
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it with the adapter. Using a locally administered address minimizes the reconfiguration
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work when you replace the adapter.</p>
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<p>For example, if you use the burned-in address of the adapter, you must
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configure this address into every device that communicates with the adapter.
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When you replace the adapter, you must go back to each device and reconfigure
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them with the burned-in address of the new adapter. You cannot assign the
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burned-in address of the replaced adapter to the new adapter.</p>
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<p>You can avoid the reconfiguration work by associating a locally administered
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address with the adapter and using this address in all devices that communicate
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with the adapter. When you replace the adapter, associate the locally administered
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address with the new adapter. Because the devices already have the locally
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administered address, you do not need to re-configure them.</p>
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<div class="note"><span class="notetitle">Note:</span> No two adapters can have the same address in the same network.</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="rzajuplanningtokenringsupport.htm" title="To make the configuration of token-ring support easier, you need to make some decisions about how to configure your connections.">Plan for token-ring support</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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