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Properties
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<h2>tun</h2>
<p>tun — Tunnel Settings</p>
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<a name="id-1.3.3.32.2"></a><h2>
Properties
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<div class="table">
<a name="id-1.3.3.32.2.2.1"></a><p class="title"><b>Table 86. </b></p>
<div class="table-contents"><table class="table" border="1">
<colgroup>
<col>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>Key Name</th>
<th>Value Type</th>
<th>Default Value</th>
<th>Value Description</th>
</tr></thead>
<tbody>
<tr>
<td><pre class="screen">group</pre></td>
<td><pre class="screen">string</pre></td>
<td><pre class="screen"></pre></td>
<td>The group ID which will own the device. If set to NULL everyone will be able to use the device.</td>
</tr>
<tr>
<td><pre class="screen">mode</pre></td>
<td><pre class="screen">uint32</pre></td>
<td><pre class="screen">1</pre></td>
<td>The operating mode of the virtual device. Allowed values are NM_SETTING_TUN_MODE_TUN (1) to create a layer 3 device and NM_SETTING_TUN_MODE_TAP (2) to create an Ethernet-like layer 2 one.</td>
</tr>
<tr>
<td><pre class="screen">multi-queue</pre></td>
<td><pre class="screen">boolean</pre></td>
<td><pre class="screen">FALSE</pre></td>
<td>If the property is set to TRUE, the interface will support multiple file descriptors (queues) to parallelize packet sending or receiving. Otherwise, the interface will only support a single queue.</td>
</tr>
<tr>
<td><pre class="screen">name</pre></td>
<td><pre class="screen">string</pre></td>
<td><pre class="screen">tun</pre></td>
<td>The setting's name, which uniquely identifies the setting within the connection. Each setting type has a name unique to that type, for example "ppp" or "wireless" or "wired".</td>
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<td><pre class="screen">owner</pre></td>
<td><pre class="screen">string</pre></td>
<td><pre class="screen"></pre></td>
<td>The user ID which will own the device. If set to NULL everyone will be able to use the device.</td>
</tr>
<tr>
<td><pre class="screen">pi</pre></td>
<td><pre class="screen">boolean</pre></td>
<td><pre class="screen">FALSE</pre></td>
<td>If TRUE the interface will prepend a 4 byte header describing the physical interface to the packets.</td>
</tr>
<tr>
<td><pre class="screen">vnet-hdr</pre></td>
<td><pre class="screen">boolean</pre></td>
<td><pre class="screen">FALSE</pre></td>
<td>If TRUE the IFF_VNET_HDR the tunnel packets will include a virtio network header.</td>
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