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Properties
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<h2>ip-tunnel</h2>
<p>ip-tunnel — IP Tunneling Settings</p>
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<a name="id-1.3.3.17.2"></a><h2>
Properties
</h2>
<div class="table">
<a name="id-1.3.3.17.2.2.1"></a><p class="title"><b>Table 71. </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">encapsulation-limit</pre></td>
<td><pre class="screen">uint32</pre></td>
<td><pre class="screen">0</pre></td>
<td>How many additional levels of encapsulation are permitted to be prepended to packets. This property applies only to IPv6 tunnels.</td>
</tr>
<tr>
<td><pre class="screen">flow-label</pre></td>
<td><pre class="screen">uint32</pre></td>
<td><pre class="screen">0</pre></td>
<td>The flow label to assign to tunnel packets. This property applies only to IPv6 tunnels.</td>
</tr>
<tr>
<td><pre class="screen">input-key</pre></td>
<td><pre class="screen">string</pre></td>
<td><pre class="screen"></pre></td>
<td>The key used for tunnel input packets; the property is valid only for certain tunnel modes (GRE, IP6GRE). If empty, no key is used.</td>
</tr>
<tr>
<td><pre class="screen">local</pre></td>
<td><pre class="screen">string</pre></td>
<td><pre class="screen"></pre></td>
<td>The local endpoint of the tunnel; the value can be empty, otherwise it must contain an IPv4 or IPv6 address.</td>
</tr>
<tr>
<td><pre class="screen">mode</pre></td>
<td><pre class="screen">uint32</pre></td>
<td><pre class="screen">0</pre></td>
<td>The tunneling mode, for example NM_IP_TUNNEL_MODE_IPIP (1) or NM_IP_TUNNEL_MODE_GRE (2).</td>
</tr>
<tr>
<td><pre class="screen">mtu</pre></td>
<td><pre class="screen">uint32</pre></td>
<td><pre class="screen">0</pre></td>
<td>If non-zero, only transmit packets of the specified size or smaller, breaking larger packets up into multiple fragments.</td>
</tr>
<tr>
<td><pre class="screen">name</pre></td>
<td><pre class="screen">string</pre></td>
<td><pre class="screen">ip-tunnel</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>
</tr>
<tr>
<td><pre class="screen">output-key</pre></td>
<td><pre class="screen">string</pre></td>
<td><pre class="screen"></pre></td>
<td>The key used for tunnel output packets; the property is valid only for certain tunnel modes (GRE, IP6GRE). If empty, no key is used.</td>
</tr>
<tr>
<td><pre class="screen">parent</pre></td>
<td><pre class="screen">string</pre></td>
<td><pre class="screen"></pre></td>
<td>If given, specifies the parent interface name or parent connection UUID the new device will be bound to so that tunneled packets will only be routed via that interface.</td>
</tr>
<tr>
<td><pre class="screen">path-mtu-discovery</pre></td>
<td><pre class="screen">boolean</pre></td>
<td><pre class="screen">TRUE</pre></td>
<td>Whether to enable Path MTU Discovery on this tunnel.</td>
</tr>
<tr>
<td><pre class="screen">remote</pre></td>
<td><pre class="screen">string</pre></td>
<td><pre class="screen"></pre></td>
<td>The remote endpoint of the tunnel; the value must contain an IPv4 or IPv6 address.</td>
</tr>
<tr>
<td><pre class="screen">tos</pre></td>
<td><pre class="screen">uint32</pre></td>
<td><pre class="screen">0</pre></td>
<td>The type of service (IPv4) or traffic class (IPv6) field to be set on tunneled packets.</td>
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<td><pre class="screen">ttl</pre></td>
<td><pre class="screen">uint32</pre></td>
<td><pre class="screen">0</pre></td>
<td>The TTL to assign to tunneled packets. 0 is a special value meaning that packets inherit the TTL value.</td>
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