2014-08-24 19:18:18 +02:00
										 
									 
								 
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								<section xmlns="http://docbook.org/ns/docbook"
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								         xmlns:xlink="http://www.w3.org/1999/xlink"
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								         xmlns:xi="http://www.w3.org/2001/XInclude"
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								         version="5.0"
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								         xml:id="sec-ipv4">
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								<title>IPv4 Configuration</title>
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								<para>By default, NixOS uses DHCP (specifically,
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								<command>dhcpcd</command>) to automatically configure network
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								interfaces.  However, you can configure an interface manually as
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								follows:
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								<programlisting>
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											2014-08-31 09:46:16 -07:00
										 
									 
								 
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								networking.interfaces.eth0.ip4 = [ { address = "192.168.1.2"; prefixLength = 24; } ];
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											2014-08-24 19:18:18 +02:00
										 
									 
								 
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								</programlisting>
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								Typically you’ll also want to set a default gateway and set of name
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								servers:
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								<programlisting>
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								networking.defaultGateway = "192.168.1.1";
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								networking.nameservers = [ "8.8.8.8" ];
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								</programlisting>
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								</para>
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								<note><para>Statically configured interfaces are set up by the systemd
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								service
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								<replaceable>interface-name</replaceable><literal>-cfg.service</literal>.
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								The default gateway and name server configuration is performed by
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								<literal>network-setup.service</literal>.</para></note>
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								<para>The host name is set using <option>networking.hostName</option>:
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								<programlisting>
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								networking.hostName = "cartman";
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								</programlisting>
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								The default host name is <literal>nixos</literal>.  Set it to the
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								empty string (<literal>""</literal>) to allow the DHCP server to
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								provide the host name.</para>
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								</section>
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