136 lines
9.4 KiB
HTML
136 lines
9.4 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<meta name="DC.Title" content="Line pool" />
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<meta name="abstract" content="Select this line service to set the PPP connection to use a line from a line pool. When the PPP connection starts, the iSeries server selects an unused line from the line pool. For dial on-demand profiles, the server does not select the line until it detects TCP/IP traffic for the remote system." />
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<meta name="description" content="Select this line service to set the PPP connection to use a line from a line pool. When the PPP connection starts, the iSeries server selects an unused line from the line pool. For dial on-demand profiles, the server does not select the line until it detects TCP/IP traffic for the remote system." />
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<meta name="DC.Relation" scheme="URI" content="rzaiyclients.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<title>Line pool</title>
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</head>
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<body id="rzaiylinepool"><a name="rzaiylinepool"><!-- --></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">Line pool</h1>
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<div><p>Select this line service to set the PPP connection to use a line
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from a line pool. When the PPP connection starts, the iSeries™ server selects an unused line
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from the line pool. For dial on-demand profiles, the server does not select
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the line until it detects TCP/IP traffic for the remote system.</p>
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<div class="section"><p>You can use a line pool instead of defining a particular line
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description for a connection profile. You can specify one or more line descriptions
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in a line pool.</p>
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</div>
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<div class="section"><p>A line pool also enables a single connection profile to handle
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either multiple incoming analog calls or a single outgoing analog call. The
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line returns to the line pool when the PPP connection ends.</p>
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</div>
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<div class="section"><p>If you use the line pool to handle multiple incoming analog calls
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simultaneously, you need to indicate the maximum number of incoming connections.
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You can set this on the Connections tab of the<span class="uicontrol">New Point-to-Point
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Profile Properties</span> dialog when you configure your connection profile.
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Use the Multilink setting to use line pools for single connections with increased
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bandwidth.</p>
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</div>
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<div class="section"><h4 class="sectiontitle">Advantages of using line pools:</h4><ul><li>You do not commit a line resource to a PPP connection until it starts.
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<p>For PPP connections that use a specific line, the connection ends if the
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line is not available unless the dynamic resource sharing is enabled. For
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connections that use a line pool, at least one line in the line pool must
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be available when the profile starts.</p>
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<p>In addition, if the resources
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are configured as shared (enable dynamic resource sharing), additional resource
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availability is achieved particularly for outgoing connections.</p>
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</li>
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<li>You can use dial-on-demand profiles with line pools to use resources more
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efficiently. <p>The iSeries server selects a line from the line pool
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only when using a dial-on-demand connection. Other connections can use the
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same line at other times.</p>
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</li>
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<li>You can start more PPP connections with less resources to support. <p>For
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example, if your environment needs four unique connection types but you only
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need two lines at any given time, you can use a line pool to make this environment
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work. You can create four dial-on-demand connection profiles and have each
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profile reference a line pool that contains two line descriptions. Each of
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the lines will be for use by all four connection profiles, thus allowing two
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connections to be active at any time. By using a line pool, you do not need
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to have four separate lines.</p>
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<p>Also, if your environment is a combination
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between a PPP Client and a PPP Server, lines can be shared (enable dynamic
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resource sharing) whether they are used as 'single lines' or placed in a 'line
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pool'. The profile that started first will not commit the resource unless
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the connection is active. For example, if the PPP Server is started, and is
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listening for the incoming connections, it will 'lend' a line it uses to the
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PPP Client that started and 'borrowed' the shared line from the PPP Server. </p>
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</li>
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</ul>
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</div>
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<div class="section"><h4 class="sectiontitle">Configure line pools</h4><p>Line pools are defined within
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a connection profile. For basic line pool configuration, follow these steps:</p>
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</div>
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<div class="section"> <ol><li>In iSeries Navigator,
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select your system, and expand <span class="menucascade"><span class="uicontrol">Networking</span> > <span class="uicontrol">Remote Access Services</span></span>.</li>
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<li>Create a connection profile to either dial or receive calls. Select from
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one of the following options: <ul><li>Right-click<span class="uicontrol"> Originator Connection Profiles</span> to set
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the iSeries server
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as a server that initiates connections. </li>
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<li>Right-click <span class="uicontrol">Receiver Connection Profiles</span> to set
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the iSeries server
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as a server that allows incoming connections from remote systems and users. </li>
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</ul>
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</li>
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<li>Select <span class="uicontrol">New profile</span>.</li>
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<li>For an originator profile (dialing out) select: PPP, Switched line, and
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the Operating mode (typically dial). For link configuration, select <span class="uicontrol">Line
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pool</span>. Click <span class="uicontrol">OK</span> and iSeries Navigator will open a properties
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window for this connection profile. <div class="note"><span class="notetitle">Note:</span> You can also select a line pool
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when you create Receiver connection profiles. The Line pool option may or
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may not be listed, depending on the following field values: protocol type,
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connection type, and operating mode. </div>
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</li>
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<li>On the General page, name the profile and enter a description.</li>
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<li>On the Connection page, enter a name for the line pool and click <span class="uicontrol">New</span>.
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This will open the <span class="uicontrol">New Line Pool Properties</span> dialog
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which will display all the available lines and modems for this system. </li>
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<li>Select the lines you want to use, and add them to the pool. You can also
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click <span class="uicontrol">New line</span> to define a new line. </li>
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<li>Click <span class="uicontrol">OK</span> to save this line pool, and return to
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the New Point-to-Point Profile properties.</li>
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<li>Complete the necessary information about the other pages (for example,
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TCP/IP settings and Authentication). </li>
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<li>The connection profile will go down the list of available lines (within
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the pool) until a resource is available and use that line for the connection.
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Use iSeries Navigator
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help for further assistance.</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="rzaiylinkcfg.htm" title="Link configuration defines the type of line service that your PPP connection profile uses to establish a connection.">Link configuration</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="rzaiyclients.htm" title="Remote users, such as telecommuters or mobile clients, often require access to a company's network. These dial-in clients can gain access to an iSeries server with PPP.">Scenario: Connect remote dial-in clients to your iSeries server</a></div>
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<div><a href="rzaiyisp.htm" title="Administrators typically set up office networks that allow employees access to the Internet. They can use a modem to connect the iSeries server to an ISP. LAN-attached PC clients can communicate with the Internet using the iSeries server as a gateway.">Scenario: Connect your office LAN to the Internet with a modem</a></div>
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<div><a href="rzaiyremcorp.htm" title="A modem enables two remote locations (such as a central office and a branch office) to exchange data between them. PPP can connect the two LANs together by establishing a connection between an iSeries server in the central office and another iSeries server in the branch office.">Scenario: Connect your corporate and remote networks with a modem</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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