128 lines
7.7 KiB
HTML
128 lines
7.7 KiB
HTML
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<title>Scenario: Create a virtual Ethernet for interpartition communications</title>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<div class="nested0" id="concept"><a name="concept"><!-- --></a><h1 class="topictitle1">Scenario: Create a virtual Ethernet for interpartition communications</h1>
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<div><p>You are the system administrator for a small company. You use a
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server that is divided into four logical partitions. You need to allow communication
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between all four logical partitions. You want to avoid purchasing excess Ethernet
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cards and cables because money and space is limited in your IT department.</p>
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<div class="section"><h4 class="sectiontitle">Situation</h4><p>You are the system administrator for a
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small company. You use a server that is divided into four logical partitions.
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You need to allow high-speed communication between all four logical partitions
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and you need to extend that communication to an external LAN. Your hardware
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has a limited number of card slots available for LAN cards. Therefore, you
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must find a solution that does not require additional LAN cards.</p>
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</div>
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<div class="section"><h4 class="sectiontitle">Objectives </h4><p>As the system administrator
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for this company, you have the following objectives:</p>
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<ul><li>To create a virtual Ethernet network to allow communications between logical
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partitions.</li>
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<li>To enable proxy ARP to connect the virtual Ethernet network to an external
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LAN.</li>
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<li>To configure the necessary lines, interfaces and routes.</li>
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</ul>
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</div>
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<div class="section"><h4 class="sectiontitle">Details</h4><p>This figure shows a virtual Ethernet that
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enables communication among four logical partitions and uses proxy ARP to
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allow the data to flow between the virtual Ethernet and the external LAN.</p>
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<br /><img src="rzai2503.gif" alt="This illustrates four partitions
participating in a virtual Ethernet network. Proxy ARP allows the interpartition
network traffic to flow to the Internet." /><br /><ul><li>Four logical partitions have been created on the iSeries™ server.</li>
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<li>Each partition runs on i5/OS™ Version 5 Release 3.</li>
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<li>A virtual TCP/IP interface is configured on each partition using these
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IP addresses: <ul><li>Partition A has the IP address 10.1.1.73.</li>
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<li>Partition B has the IP address 10.1.1.74.</li>
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<li>Partition C has the IP address 10.1.1.75.</li>
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<li>Partition D has the IP address 10.1.1.76.</li>
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</ul>
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</li>
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<li>An external proxy ARP interface is configured on Partition A using the
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IP address 10.1.1.15.</li>
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</ul>
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</div>
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<div class="section"><h4 class="sectiontitle">Prerequisites and assumptions</h4><div class="p">Setup requirements
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include: <ul><li>i5/OS Version 5 Release 3 or later installed on the
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primary logical partition</li>
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<li>IBM<sup>®</sup> 270
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and 8xx model servers</li>
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<li>Four logical partitions (LPAR) on the server. The primary
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logical partition must have i5/OS Version 5 Release 3, or later, installed. The
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other logical partitions can have i5/OS V5R3 or Linux<sup>®</sup> installed. <p>In
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this scenario, all of the logical partitions are using i5/OS.</p>
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</li>
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</ul>
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</div>
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</div>
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<div class="section"><h4 class="sectiontitle">Configuration Steps</h4><p>Complete these configuration
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tasks:</p>
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</div>
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</div>
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<div>
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<ol>
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<li class="olchildlink"><a href="rzamuenablepartitions.htm">Enable the logical partitions to participate in a virtual Ethernet</a><br />
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</li>
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<li class="olchildlink"><a href="rzamucreateethernet.htm">Create the Ethernet line descriptions</a><br />
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</li>
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<li class="olchildlink"><a href="rzamuonipdatagram.htm">Turn on IP datagram forwarding</a><br />
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</li>
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<li class="olchildlink"><a href="rzamuinterfacearp.htm">Create the interface to enable proxy ARP</a><br />
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</li>
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<li class="olchildlink"><a href="rzamuvirtualethernet.htm">Create the virtual Ethernet interface on partition A</a><br />
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</li>
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<li class="olchildlink"><a href="rzamuvitualethernetpb.htm">Create the virtual Ethernet interface on partition B</a><br />
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</li>
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<li class="olchildlink"><a href="rzamuvirtualethernetpc.htm">Create the virtual Ethernet interface on partition C</a><br />
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</li>
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<li class="olchildlink"><a href="rzamuethernetpartitionpd.htm">Create the virtual Ethernet interface on partition D</a><br />
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</li>
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<li class="olchildlink"><a href="rzamucreatetheroutes.htm">Create the routes</a><br />
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</li>
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<li class="olchildlink"><a href="rzamuverifynetwork.htm">Verify network communications</a><br />
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</li>
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</ol>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzamudynamic2.htm">Network scenarios</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="../rzait/rzaiticlpar.htm">Logical partitions</a></div>
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</div>
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</div></div>
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