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+<?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">
+
+<!--
+  SPDX-License-Identifier: LGPL-2.1+
+-->
+
+<refentry id="systemd-networkd.service" conditional='ENABLE_NETWORKD'>
+
+  <refentryinfo>
+    <title>systemd-networkd.service</title>
+    <productname>systemd</productname>
+  </refentryinfo>
+
+  <refmeta>
+    <refentrytitle>systemd-networkd.service</refentrytitle>
+    <manvolnum>8</manvolnum>
+  </refmeta>
+
+  <refnamediv>
+    <refname>systemd-networkd.service</refname>
+    <refname>systemd-networkd</refname>
+    <refpurpose>Network manager</refpurpose>
+  </refnamediv>
+
+  <refsynopsisdiv>
+    <para><filename>systemd-networkd.service</filename></para>
+    <para><filename>/usr/lib/systemd/systemd-networkd</filename></para>
+  </refsynopsisdiv>
+
+  <refsect1>
+    <title>Description</title>
+
+    <para><command>systemd-networkd</command> is a system service that
+    manages networks. It detects and configures network devices as
+    they appear, as well as creating virtual network devices.</para>
+
+    <para>To configure low-level link settings independently of
+    networks, see
+    <citerefentry><refentrytitle>systemd.link</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
+
+    <para><command>systemd-networkd</command> will create network devices based
+    on the configuration in
+    <citerefentry><refentrytitle>systemd.netdev</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+    files, respecting the [Match] sections in those files.</para>
+
+    <para><command>systemd-networkd</command> will manage network addresses and
+    routes for any link for which it finds a <filename>.network</filename> file
+    with an appropriate [Match] section, see
+    <citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
+    For those links, it will flush existing network addresses and routes when
+    bringing up the device. Any links not matched by one of the
+    <filename>.network</filename> files will be ignored. It is also possible to
+    explicitly tell <filename>systemd-networkd</filename> to ignore a link by
+    using <varname>Unmanaged=yes</varname> option, see
+    <citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
+    </para>
+
+    <para>When <filename>systemd-networkd</filename> exits, it generally leaves
+    existing network devices and configuration intact. This makes it possible to
+    transition from the initramfs and to restart the service without breaking
+    connectivity. This also means that when configuration is updated and
+    <filename>systemd-networkd</filename> is restarted, netdev interfaces for
+    which configuration was removed will not be dropped, and may need to be
+    cleaned up manually.</para>
+  </refsect1>
+
+  <refsect1><title>Configuration Files</title>
+    <para>The configuration 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>.</para>
+
+    <para>Networks are configured in <filename>.network</filename>
+    files, see
+    <citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+    and virtual network devices are configured in
+    <filename>.netdev</filename> files, see
+    <citerefentry><refentrytitle>systemd.netdev</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
+    </para>
+  </refsect1>
+
+  <refsect1>
+    <title>See Also</title>
+    <para>
+      <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+      <citerefentry><refentrytitle>systemd.link</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+      <citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+      <citerefentry><refentrytitle>systemd.netdev</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+      <citerefentry><refentrytitle>systemd-networkd-wait-online.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+    </para>
+  </refsect1>
+
+</refentry>