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libvirt/docs/archnetwork.html
Daniel Veillard 3ad50bec71 Roll back log change, Daniel
2008-04-24 20:24:18 +00:00

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<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
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This file is autogenerated from archnetwork.html.in
Do not edit this file. Changes will be lost.
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<title>libvirt: Network management architecture</title>
<meta name="description" content="libvirt, virtualization, virtualization API" />
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<input id="query" name="query" type="text" size="12" value="" />
<input id="submit" name="submit" type="submit" value="Search" />
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<div id="body">
<div id="content">
<h1>Network management architecture</h1>
<h2>Architecture illustration</h2>
<p>
The diagrams below illustrate some of the network configurations
enabled by the libvirt networking APIs
</p>
<ul><li><strong>VLAN 1</strong>. This virtual network has connectivity
to <code>LAN 2</code> with traffic forwarded and NATed.
</li><li><strong>VLAN 2</strong>. This virtual network is completely
isolated from any physical LAN.
</li><li><strong>Guest A</strong>. The first network interface is bridged
to the physical <code>LAN 1</code>. The second interface is connected
to a virtual network <code>VLAN 1</code>.
</li><li><strong>Guest B</strong>. The first network interface is connected
to a virtual network <code>VLAN 1</code>, giving it limited NAT
based connectivity to LAN2. It has a second network interface
connected to <code>VLAN 2</code>. It acts a router allowing limited
traffic between the two VLANs, thus giving <code>Guest C</code>
connectivity to the physical <code>LAN 2</code>.
</li><li><strong>Guest C</strong>. The only network interface is connected
to a virtual network <code>VLAN 2</code>. It has no direct connectivity
to a physical LAN, relying on <code>Guest B</code> to route traffic
on its behalf.
</li></ul>
<h3>Logical diagram</h3>
<p class="image">
<img src="libvirt-net-logical.png" alt="Logical network architecture" /></p>
<h3>Physical diagram</h3>
<p class="image">
<img src="libvirt-net-physical.png" alt="Physical network architecture" /></p>
</div>
<div id="menu">
<ul class="l0"><li>
<a title="Front page of the libvirt website" class="inactive" href="index.html">Home</a>
</li><li>
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<ul class="l1"><li>
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<ul class="l2"><li>
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</li><li>
<span class="active">Network</span>
</li><li>
<a title="Managing storage pools and volumes" class="inactive" href="archstorage.html">Storage</a>
</li><li>
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</li></ul>
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<a title="Description of the XML formats used in libvirt" class="inactive" href="format.html">XML format</a>
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</li><li>
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</li><li>
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