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<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE topic PUBLIC "-//OASIS//DTD DITA Topic//EN" "topic.dtd">
<topic xml:lang="en-us" id="nat-address-config">
<title>Configuring the Address of a NAT Network Interface</title>
<body>
<p>In NAT mode, the guest network interface is assigned to the IPv4 range
<codeph>10.0.<varname>x</varname>.0/24</codeph> by default where <varname>x</varname> corresponds to the
instance of the NAT interface +2. So <varname>x</varname> is 2 when there is only one NAT instance active. In that
case the guest is assigned to the address <codeph>10.0.2.15</codeph>, the gateway is set to
<codeph>10.0.2.2</codeph> and the name server can be found at <codeph>10.0.2.3</codeph>. </p>
<p>If the NAT network needs to be changed, use the following command: </p>
<pre xml:space="preserve">$ VBoxManage modifyvm <varname>VM-name</varname> \
--natnet1 "192.168/16"</pre>
<p>This command would reserve the network addresses from <codeph>192.168.0.0</codeph> to
<codeph>192.168.254.254</codeph> for the first NAT network instance of <varname>VM-name</varname> The guest IP
would be assigned to <codeph>192.168.0.15</codeph> and the default gateway could be found at
<codeph>192.168.0.2</codeph>. </p>
</body>
</topic>
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