--- /dev/null
+<?xml version='1.0'?> <!--*-nxml-*-->
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+<!--
+ This file is part of systemd.
+
+ Copyright 2013 Tom Gundersen
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+-->
+
+<refentry id="systemd.netdev" conditional='ENABLE_NETWORKD'>
+
+ <refentryinfo>
+ <title>systemd.network</title>
+ <productname>systemd</productname>
+
+ <authorgroup>
+ <author>
+ <contrib>Developer</contrib>
+ <firstname>Tom</firstname>
+ <surname>Gundersen</surname>
+ <email>teg@jklm.no</email>
+ </author>
+ </authorgroup>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>systemd.netdev</refentrytitle>
+ <manvolnum>5</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>systemd.netdev</refname>
+ <refpurpose>Virtual Network Device configuration</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <para><filename><replaceable>netdev</replaceable>.netdev</filename></para>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para>Network setup is performed by
+ <citerefentry><refentrytitle>systemd-networkd</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
+ </para>
+
+ <para>Virtual Network Device files must have the extension
+ <filename>.netdev</filename>; other extensions are ignored. Virtual
+ network devices are created as soon as networkd is started.</para>
+
+ <para>The <filename>.netdev</filename> files are read from the files located in the
+ system network directory <filename>/usr/lib/systemd/network</filename>,
+ the volatile runtime network directory
+ <filename>/run/systemd/network</filename> and the local administration
+ network directory <filename>/etc/systemd/network</filename>.
+ All configuration files are collectively sorted and processed in lexical order,
+ regardless of the directories in which they live. However, files with
+ identical filenames replace each other. Files in
+ <filename>/etc</filename> have the highest priority, files in
+ <filename>/run</filename> take precedence over files with the same
+ name in <filename>/usr/lib</filename>. This can be used to override a
+ system-supplied configuration file with a local file if needed; a symlink in
+ <filename>/etc</filename> with the same name as a configuration file in
+ <filename>/usr/lib</filename>, pointing to <filename>/dev/null</filename>,
+ disables the configuration file entirely.</para>
+
+ <para>A virtual network device is only created if the
+ <literal>[Match]</literal> section matches the current
+ environment, or if the section is empty. The following keys are accepted:</para>
+
+ <variablelist class='network-directives'>
+ <varlistentry>
+ <term><varname>Host=</varname></term>
+ <listitem>
+ <para>Matches against the hostname or machine ID of the
+ host. See <literal>ConditionHost=</literal> in
+ <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ for details.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Virtualization=</varname></term>
+ <listitem>
+ <para>Checks whether the system is executed in a virtualized
+ environment and optionally test whether it is a specific
+ implementation. See <literal>ConditionVirtualization=</literal> in
+ <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ for details.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>KernelCommandLine=</varname></term>
+ <listitem>
+ <para>Checks whether a specific kernel command line option is
+ set (or if prefixed with the exclamation mark unset). See
+ <literal>ConditionKernelCommandLine=</literal> in
+ <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ for details.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Architecture=</varname></term>
+ <listitem>
+ <para>Checks whether the system is running on a specific
+ architecture. See <literal>ConditionArchitecture=</literal> in
+ <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ for details.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+
+ <para>The <literal>[NetDev]</literal> section accepts the following
+ keys:</para>
+
+ <variablelist class='network-directives'>
+ <varlistentry>
+ <term><varname>Name=</varname></term>
+ <listitem>
+ <para>The interface name used when creating the
+ netdev. This option is compulsory.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Kind=</varname></term>
+ <listitem>
+ <para>The netdev kind. Currently, <literal>bridge</literal>,
+ <literal>bond</literal> and <literal>vlan</literal>
+ are supported. This option is compulsory.</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+
+ <para>The <literal>[VLAN]</literal> section only applies for netdevs of kind <literal>vlan</literal>,
+ and accepts the following key:</para>
+
+ <variablelist class='network-directives'>
+ <varlistentry>
+ <term><varname>Id=</varname></term>
+ <listitem>
+ <para>The VLAN ID to use. An integer in the range 0–4094.
+ This option is compulsory.</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+
+ </refsect1>
+
+ <refsect1>
+ <title>Example</title>
+ <example>
+ <title>/etc/systemd/network/bridge.netdev</title>
+
+ <programlisting>[NetDev]
+Name=bridge0
+Kind=bridge</programlisting>
+ </example>
+
+ <example>
+ <title>/etc/systemd/network/vlan1.netdev</title>
+
+ <programlisting>[Match]
+Virtualization=no
+
+[NetDev]
+Name=vlan1
+Kind=vlan
+
+[VLAN]
+Id=1</programlisting>
+ </example>
+
+ </refsect1>
+
+ <refsect1>
+ <title>See Also</title>
+ <para>
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd-networkd</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+ </para>
+ </refsect1>
+
+</refentry>
--- /dev/null
+<?xml version='1.0'?> <!--*-nxml-*-->
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+<!--
+ This file is part of systemd.
+
+ Copyright 2013 Tom Gundersen
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+-->
+
+<refentry id="systemd.network" conditional='ENABLE_NETWORKD'>
+
+ <refentryinfo>
+ <title>systemd.network</title>
+ <productname>systemd</productname>
+
+ <authorgroup>
+ <author>
+ <contrib>Developer</contrib>
+ <firstname>Tom</firstname>
+ <surname>Gundersen</surname>
+ <email>teg@jklm.no</email>
+ </author>
+ </authorgroup>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>systemd.network</refentrytitle>
+ <manvolnum>5</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>systemd.network</refname>
+ <refpurpose>Network configuration</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <para><filename><replaceable>network</replaceable>.network</filename></para>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para>Network setup is performed by
+ <citerefentry><refentrytitle>systemd-networkd</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
+ </para>
+
+ <para>Network files must have the extension <filename>.network</filename>;
+ other extensions are ignored. Networks are applied to links whenever the links
+ appear.</para>
+
+ <para>The <filename>.network</filename> files are read from the files located in the
+ system network directory <filename>/usr/lib/systemd/network</filename>,
+ the volatile runtime network directory
+ <filename>/run/systemd/network</filename> and the local administration
+ network directory <filename>/etc/systemd/network</filename>.
+ All configuration files are collectively sorted and processed in lexical order,
+ regardless of the directories in which they live. However, files with
+ identical filenames replace each other. Files in
+ <filename>/etc</filename> have the highest priority, files in
+ <filename>/run</filename> take precedence over files with the same
+ name in <filename>/usr/lib</filename>. This can be used to override a
+ system-supplied configuration file with a local file if needed; a symlink in
+ <filename>/etc</filename> with the same name as a configuration file in
+ <filename>/usr/lib</filename>, pointing to <filename>/dev/null</filename>,
+ disables the configuration file entirely.</para>
+
+ <para>The network file contains a <literal>[Match]</literal> section,
+ which determines if a given network file may be applied to a given device;
+ and a <literal>[Network]</literal> section specifying how the device should
+ be configured. The first (in lexical order) of the network files that
+ matches a given device is applied.</para>
+
+ <para>A network file is said to match a device if each of the entries in the
+ <literal>[Match]</literal> section matches, or if the section is empty.
+ The following keys are accepted:</para>
+
+ <variablelist class='network-directives'>
+ <varlistentry>
+ <term><varname>MACAddress=</varname></term>
+ <listitem>
+ <para>The hardware address.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Path=</varname></term>
+ <listitem>
+ <para>The persistent path, as exposed by the udev
+ property <literal>ID_PATH</literal>. May contain shell
+ style globs.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Driver=</varname></term>
+ <listitem>
+ <para>The driver currently bound to the device, as
+ exposed by the udev property <literal>DRIVER</literal>
+ of its parent device, or if that is not set the driver
+ as exposed by <literal>ethtool -i</literal> of the
+ device itself.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Type=</varname></term>
+ <listitem>
+ <para>The device type, as exposed by the udev property
+ <literal>DEVTYPE</literal>.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Name=</varname></term>
+ <listitem>
+ <para>The device name, as exposed by the udev property
+ <literal>INTERFACE</literal>. May contain shell style
+ globs.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Host=</varname></term>
+ <listitem>
+ <para>Matches against the hostname or machine ID of the
+ host. See <literal>ConditionHost=</literal> in
+ <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ for details.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Virtualization=</varname></term>
+ <listitem>
+ <para>Checks whether the system is executed in a virtualized
+ environment and optionally test whether it is a specific
+ implementation. See <literal>ConditionVirtualization=</literal> in
+ <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ for details.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>KernelCommandLine=</varname></term>
+ <listitem>
+ <para>Checks whether a specific kernel command line option is
+ set (or if prefixed with the exclamation mark unset). See
+ <literal>ConditionKernelCommandLine=</literal> in
+ <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ for details.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Architecture=</varname></term>
+ <listitem>
+ <para>Checks whether the system is running on a specific
+ architecture. See <literal>ConditionArchitecture=</literal> in
+ <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ for details.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+
+ <para>The <literal>[Network]</literal> section accepts the following keys:</para>
+
+ <variablelist class='network-directives'>
+ <varlistentry>
+ <term><varname>Description=</varname></term>
+ <listitem>
+ <para>A description of the device. This is only used for
+ presentation purposes.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>DHCP=</varname></term>
+ <listitem>
+ <para>A boolean. When true, enables basic DHCPv4 support.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Address=</varname></term>
+ <listitem>
+ <para>A static IPv4 or IPv6 address and its prefix length,
+ separated by a <literal>/</literal> character. Specify this
+ key more than once to configure several addresses.
+ The format of the address must be as described in
+ <citerefentry><refentrytitle>inet_pton</refentrytitle><manvolnum>3</manvolnum></citerefentry>
+ . This is a short-hand for an [Address] section only containing an Address key (see below).
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Gateway=</varname></term>
+ <listitem>
+ <para>The gateway address, which must be in the format described in
+ <citerefentry><refentrytitle>inet_pton</refentrytitle><manvolnum>3</manvolnum></citerefentry>
+ . This is a short-hand for a [Route] section only containing a Gateway key.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>DNS=</varname></term>
+ <listitem>
+ <para>A DNS server address, which must be in the format described in
+ <citerefentry><refentrytitle>inet_pton</refentrytitle><manvolnum>3</manvolnum></citerefentry>
+ .</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Bridge=</varname></term>
+ <listitem>
+ <para>The name of the bridge to add the link to.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Bond=</varname></term>
+ <listitem>
+ <para>The name of the bond to add the link to.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>VLAN=</varname></term>
+ <listitem>
+ <para>The name of a VLAN to create on the link. This option
+ may be specified more than once.</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+
+ <para>An <literal>[Address]</literal> section accepts the following keys.
+ Specify several <literal>[Address]</literal> sections to configure several
+ addresses.</para>
+
+ <variablelist class='network-directives'>
+ <varlistentry>
+ <term><varname>Address=</varname></term>
+ <listitem>
+ <para>As in the <literal>[Network]</literal> section. This key is mandatory.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Broadcast=</varname></term>
+ <listitem>
+ <para>The broadcast address, which must be in the format described in
+ <citerefentry><refentrytitle>inet_pton</refentrytitle><manvolnum>3</manvolnum></citerefentry>
+ . This key only applies to IPv4 addresses. If it is not given, it is
+ derived from the <literal>Address</literal> key.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Label=</varname></term>
+ <listitem>
+ <para>An address label.</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+
+ <para>The <literal>[Route]</literal> section accepts the following keys. Specify
+ several <literal>[Route]</literal> sections to configure several routes.</para>
+
+ <variablelist class='network-directives'>
+ <varlistentry>
+ <term><varname>Gateway=</varname></term>
+ <listitem>
+ <para>As in the <literal>[Network]</literal> section. This key is mandatory.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Destination=</varname></term>
+ <listitem>
+ <para>The destination prefix of the route. Possibly followed by a slash and the
+ prefixlength, if ommitted a full-length host route is assumed.</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+
+ <para>The <literal>[DHCPv4]</literal> section accepts the following keys:</para>
+
+ <variablelist class='network-directives'>
+ <varlistentry>
+ <term><varname>UseDNS=</varname></term>
+ <listitem>
+ <para>When true (the default), the DNS servers received from the DHCP server will
+ be used and take precedence over any statically configured ones.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>UseMTU=</varname></term>
+ <listitem>
+ <para>When true, the interface maximum transmission unit from the DHCP server will
+ be used on the current link. Defaults to false.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>UseHostname=</varname></term>
+ <listitem>
+ <para>When true (the default), the hostname received from the DHCP server
+ will be used as the transient hostname.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>CriticalConnection=</varname></term>
+ <listitem>
+ <para>When true, the connection will never be torn down even if the DHCP lease
+ expires. This is contrary to the DHCP specification, but may be the best choice
+ if, say, the root filesystem relies on this connection. Defaults to false.</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+
+ </refsect1>
+
+ <refsect1>
+ <title>Example</title>
+ <example>
+ <title>/etc/systemd/network/50-static.network</title>
+
+ <programlisting>[Match]
+Name=enp2s0
+
+[Network]
+Address=192.168.0.15/24
+Gateway=192.168.0.1</programlisting>
+ </example>
+
+ <example>
+ <title>/etc/systemd/network/80-dhcp.network</title>
+
+ <programlisting>[Match]
+Name=en*
+
+[Network]
+DHCP=yes</programlisting>
+ </example>
+
+ </refsect1>
+
+ <refsect1>
+ <title>See Also</title>
+ <para>
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd-networkd</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+ </para>
+ </refsect1>
+
+</refentry>
~ianmdlvl / elogind.git / commitdiff