46 lines
3.0 KiB
HTML
46 lines
3.0 KiB
HTML
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<meta name="DC.Title" content="Compulsory tunnel model - incoming call" />
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<meta name="abstract" content="In the compulsory tunnel model - incoming call, a tunnel is created without any action from the user and without allowing the user any choice." />
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<title>Compulsory tunnel model - incoming call</title>
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<body id="rzaiycomptic"><a name="rzaiycomptic"><!-- --></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">Compulsory tunnel model - incoming call</h1>
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<div><p>In the compulsory tunnel model - incoming call, a tunnel is created
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without any action from the user and without allowing the user any choice.</p>
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<div class="section"><p>As a result the user sends PPP packets to the ISP (LAC), which
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encapsulates them in L2TP and sends them in a tunnel to the LNS. In the compulsory
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tunneling cases, the ISP must be L2TP capable. In this model,
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the tunnel only extends across the segment of the PPP session between the
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ISP and the LNS.</p>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzaiyl2tpsupport.htm" title="Layer 2 Tunneling Protocol (L2TP) is a tunneling protocol that extends PPP to support a link layer tunnel between a requesting L2TP client (L2TP Access Concentrator or LAC) and a target L2TP server endpoint (L2TP Network Server or LNS).">L2TP (tunneling) support for PPP connections</a></div>
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