[thirdparty/systemd.git] / man / networkd.conf.xml

<?xml version='1.0'?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">

<!--
  SPDX-License-Identifier: LGPL-2.1-or-later

  Copyright © 2014 Vinay Kulkarni
-->

<refentry id="networkd.conf" conditional='ENABLE_NETWORKD'
    xmlns:xi="http://www.w3.org/2001/XInclude">
  <refentryinfo>
    <title>networkd.conf</title>
    <productname>systemd</productname>
  </refentryinfo>

  <refmeta>
    <refentrytitle>networkd.conf</refentrytitle>
    <manvolnum>5</manvolnum>
  </refmeta>

  <refnamediv>
    <refname>networkd.conf</refname>
    <refname>networkd.conf.d</refname>
    <refpurpose>Global Network configuration files</refpurpose>
  </refnamediv>

  <refsynopsisdiv>
    <para><simplelist>
      <member><filename>/etc/systemd/networkd.conf</filename></member>
      <member><filename>/etc/systemd/networkd.conf.d/*.conf</filename></member>
      <member><filename>/usr/lib/systemd/networkd.conf.d/*.conf</filename></member>
    </simplelist></para>
  </refsynopsisdiv>

  <refsect1>
    <title>Description</title>

    <para>These configuration files control global network parameters.
    Currently the DHCP Unique Identifier (DUID).</para>

  </refsect1>

  <xi:include href="standard-conf.xml" xpointer="main-conf" />

  <refsect1>
    <title>[Network] Section Options</title>

    <para>The following options are available in the [Network] section:</para>

    <variablelist class='network-directives'>
      <varlistentry>
        <term><varname>SpeedMeter=</varname></term>
        <listitem><para>Takes a boolean. If set to yes, then <command>systemd-networkd</command>
        measures the traffic of each interface, and
        <command>networkctl status <replaceable>INTERFACE</replaceable></command> shows the measured speed.
        Defaults to no.</para>

        <xi:include href="version-info.xml" xpointer="v244"/></listitem>
      </varlistentry>

      <varlistentry>
        <term><varname>SpeedMeterIntervalSec=</varname></term>
        <listitem><para>Specifies the time interval to calculate the traffic speed of each interface.
        If <varname>SpeedMeter=no</varname>, the value is ignored. Defaults to 10sec.</para>

        <xi:include href="version-info.xml" xpointer="v244"/></listitem>
      </varlistentry>

      <varlistentry>
        <term><varname>ManageForeignRoutingPolicyRules=</varname></term>
        <listitem><para>A boolean. When true, <command>systemd-networkd</command> will remove rules
        that are not configured in .network files (except for rules with protocol
        <literal>kernel</literal>). When false, it will not remove any foreign rules, keeping them even
        if they are not configured in a .network file. Defaults to yes.
        </para>

        <xi:include href="version-info.xml" xpointer="v249"/></listitem>
      </varlistentry>

      <varlistentry>
        <term><varname>ManageForeignRoutes=</varname></term>
        <listitem><para>A boolean. When true, <command>systemd-networkd</command> will remove routes
        that are not configured in .network files (except for routes with protocol
        <literal>kernel</literal>, <literal>dhcp</literal> when <varname>KeepConfiguration=</varname>
        is true or <literal>dhcp</literal>, and <literal>static</literal> when
        <varname>KeepConfiguration=</varname> is true or <literal>static</literal>). When false, it will
        not remove any foreign routes, keeping them even if they are not configured in a .network file.
        Defaults to yes.</para>

        <xi:include href="version-info.xml" xpointer="v246"/></listitem>
      </varlistentry>

      <varlistentry>
        <term><varname>ManageForeignNextHops=</varname></term>
        <listitem><para>A boolean. When true, <command>systemd-networkd</command> will remove nexthops
        that are not configured in .network files (except for routes with protocol
        <literal>kernel</literal>). When false, it will
        not remove any foreign nexthops, keeping them even if they are not configured in a .network file.
        Defaults to yes.</para>

        <xi:include href="version-info.xml" xpointer="v256"/></listitem>
      </varlistentry>

      <varlistentry>
        <term><varname>RouteTable=</varname></term>
        <listitem><para>Defines the route table name. Takes a whitespace-separated list of the pairs of
        route table name and number. The route table name and number in each pair are separated with a
        colon, i.e., <literal><replaceable>name</replaceable>:<replaceable>number</replaceable></literal>.
        The route table name must not be <literal>default</literal>, <literal>main</literal>, or
        <literal>local</literal>, as these route table names are predefined with route table number 253,
        254, and 255, respectively. The route table number must be an integer in the range 1…4294967295,
        except for predefined numbers 253, 254, and 255. This setting can be specified multiple times.
        If an empty string is specified, then the list specified earlier are cleared. Defaults to unset.
        </para>

        <xi:include href="version-info.xml" xpointer="v248"/></listitem>
      </varlistentry>

      <varlistentry>
        <term><varname>IPv6PrivacyExtensions=</varname></term>
        <listitem>
          <para>Specifies the default value for per-network <varname>IPv6PrivacyExtensions=</varname>.
          Takes a boolean or the special values <literal>prefer-public</literal> and
          <literal>kernel</literal>. See for details in
          <citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
          Defaults to <literal>no</literal>.</para>

        <xi:include href="version-info.xml" xpointer="v254"/>
        </listitem>
      </varlistentry>
    </variablelist>
  </refsect1>

  <refsect1>
    <title>[DHCPv4] Section Options</title>

    <para>This section configures the DHCP Unique Identifier (DUID) value used by DHCP protocol. DHCPv4
    client protocol sends IAID and DUID to the DHCP server when acquiring a dynamic IPv4 address if
    <option>ClientIdentifier=duid</option>. IAID and DUID allows a DHCP server to uniquely identify the
    machine and the interface requesting a DHCP IP address. To configure IAID and ClientIdentifier, see
    <citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
    </para>

    <para>The following options are understood:</para>

    <variablelist class='network-directives'>
      <varlistentry>
        <term><varname>DUIDType=</varname></term>
        <listitem><para>Specifies how the DUID should be generated. See
        <ulink url="https://tools.ietf.org/html/rfc3315#section-9">RFC 3315</ulink>
        for a description of all the options.</para>

        <para>This takes an integer in the range 0…65535, or one of the following string values:
        <variablelist>
          <varlistentry>
            <term><option>vendor</option></term>
            <listitem><para>If <literal>DUIDType=vendor</literal>, then the DUID value will be generated using
            <literal>43793</literal> as the vendor identifier (systemd) and hashed contents of
            <citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
            This is the default if <varname>DUIDType=</varname> is not specified.
            </para>

            <xi:include href="version-info.xml" xpointer="v230"/></listitem>
          </varlistentry>

          <varlistentry>
            <term><option>uuid</option></term>
            <listitem><para>If <literal>DUIDType=uuid</literal>, and <varname>DUIDRawData=</varname> is not set,
            then the product UUID is used as a DUID value. If a system does not have valid product UUID, then
            an application-specific
            <citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry>
            is used as a DUID value. About the application-specific machine ID, see
            <citerefentry><refentrytitle>sd_id128_get_machine_app_specific</refentrytitle><manvolnum>3</manvolnum></citerefentry>.
            </para>

            <xi:include href="version-info.xml" xpointer="v230"/></listitem>
          </varlistentry>

          <varlistentry>
            <term><option>link-layer-time[:<replaceable>TIME</replaceable>]</option></term>
            <term><option>link-layer</option></term>
            <listitem><para>If <literal>link-layer-time</literal> or <literal>link-layer</literal> is specified,
            then the MAC address of the interface is used as a DUID value. The value <literal>link-layer-time</literal>
            can take additional time value after a colon, e.g. <literal>link-layer-time:2018-01-23 12:34:56 UTC</literal>.
            The default time value is <literal>2000-01-01 00:00:00 UTC</literal>.
            </para>

            <xi:include href="version-info.xml" xpointer="v240"/></listitem>
          </varlistentry>
        </variablelist>
        </para>

        <para>In all cases, <varname>DUIDRawData=</varname> can be used to override the
        actual DUID value that is used.</para>

        <xi:include href="version-info.xml" xpointer="v230"/></listitem>
      </varlistentry>

      <varlistentry>
        <term><varname>DUIDRawData=</varname></term>
        <listitem><para>Specifies the DHCP DUID value as a single newline-terminated, hexadecimal string, with each
        byte separated by <literal>:</literal>. The DUID that is sent is composed of the DUID type specified by
        <varname>DUIDType=</varname> and the value configured here.</para>

        <para>The DUID value specified here overrides the DUID that
        <citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
        generates from the machine ID. To configure DUID per-network, see
        <citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
        The configured DHCP DUID should conform to the specification in
        <ulink url="http://tools.ietf.org/html/rfc3315#section-9">RFC 3315</ulink>,
        <ulink url="http://tools.ietf.org/html/rfc6355">RFC 6355</ulink>. To configure IAID, see
        <citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum>
        </citerefentry>.</para>

        <example>
          <title>A <option>DUIDType=vendor</option> with a custom value</title>

          <programlisting>DUIDType=vendor
DUIDRawData=00:00:ab:11:f9:2a:c2:77:29:f9:5c:00</programlisting>

          <para>This specifies a 14 byte DUID, with the type DUID-EN (<literal>00:02</literal>), enterprise number
          43793 (<literal>00:00:ab:11</literal>), and identifier value <literal>f9:2a:c2:77:29:f9:5c:00</literal>.
          </para>
        </example>

          <xi:include href="version-info.xml" xpointer="v230"/>
        </listitem>
      </varlistentry>
    </variablelist>
  </refsect1>

  <refsect1>
    <title>[DHCPv6] Section Options</title>

    <para>This section configures the DHCP Unique Identifier (DUID) value used by DHCPv6 protocol.
    DHCPv6 client protocol sends the DHCP Unique Identifier and the interface Identity Association
    Identifier (IAID) to a DHCPv6 server when acquiring a dynamic IPv6 address. IAID and DUID allows a
    DHCPv6 server to uniquely identify the machine and the interface requesting a DHCP IP address. To
    configure IAID, see
    <citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
    </para>

    <para>The following options are understood:</para>

    <variablelist class='network-directives'>
      <varlistentry>
        <term><varname>DUIDType=</varname></term>
        <term><varname>DUIDRawData=</varname></term>
        <listitem><para>As in the [DHCPv4] section.</para>

        <xi:include href="version-info.xml" xpointer="v249"/></listitem>
      </varlistentry>
    </variablelist>
  </refsect1>

  <refsect1>
      <title>See Also</title>
      <para><simplelist type="inline">
      <member><citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry></member>
      <member><citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry></member>
      <member><citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry></member>
      <member><citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry></member>
      <member><citerefentry><refentrytitle>sd_id128_get_machine_app_specific</refentrytitle><manvolnum>3</manvolnum></citerefentry></member>
      </simplelist></para>
  </refsect1>

</refentry>
Commit	Line	Data
	1	<?xml version='1.0'?>
	2	<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
	3	"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
	4
	5	<!--
	6	SPDX-License-Identifier: LGPL-2.1-or-later
	7
	8	Copyright © 2014 Vinay Kulkarni
	9	-->
	10
	11	<refentry id="networkd.conf" conditional='ENABLE_NETWORKD'
	12	xmlns:xi="http://www.w3.org/2001/XInclude">
	13	<refentryinfo>
	14	<title>networkd.conf</title>
	15	<productname>systemd</productname>
	16	</refentryinfo>
	17
	18	<refmeta>
	19	<refentrytitle>networkd.conf</refentrytitle>
	20	<manvolnum>5</manvolnum>
	21	</refmeta>
	22
	23	<refnamediv>
	24	<refname>networkd.conf</refname>
	25	<refname>networkd.conf.d</refname>
	26	<refpurpose>Global Network configuration files</refpurpose>
	27	</refnamediv>
	28
	29	<refsynopsisdiv>
	30	<para><simplelist>
	31	<member><filename>/etc/systemd/networkd.conf</filename></member>
	32	<member><filename>/etc/systemd/networkd.conf.d/*.conf</filename></member>
	33	<member><filename>/usr/lib/systemd/networkd.conf.d/*.conf</filename></member>
	34	</simplelist></para>
	35	</refsynopsisdiv>
	36
	37	<refsect1>
	38	<title>Description</title>
	39
	40	<para>These configuration files control global network parameters.
	41	Currently the DHCP Unique Identifier (DUID).</para>
	42
	43	</refsect1>
	44
	45	<xi:include href="standard-conf.xml" xpointer="main-conf" />
	46
	47	<refsect1>
	48	<title>[Network] Section Options</title>
	49
	50	<para>The following options are available in the [Network] section:</para>
	51
	52	<variablelist class='network-directives'>
	53	<varlistentry>
	54	<term><varname>SpeedMeter=</varname></term>
	55	<listitem><para>Takes a boolean. If set to yes, then <command>systemd-networkd</command>
	56	measures the traffic of each interface, and
	57	<command>networkctl status <replaceable>INTERFACE</replaceable></command> shows the measured speed.
	58	Defaults to no.</para>
	59
	60	<xi:include href="version-info.xml" xpointer="v244"/></listitem>
	61	</varlistentry>
	62
	63	<varlistentry>
	64	<term><varname>SpeedMeterIntervalSec=</varname></term>
	65	<listitem><para>Specifies the time interval to calculate the traffic speed of each interface.
	66	If <varname>SpeedMeter=no</varname>, the value is ignored. Defaults to 10sec.</para>
	67
	68	<xi:include href="version-info.xml" xpointer="v244"/></listitem>
	69	</varlistentry>
	70
	71	<varlistentry>
	72	<term><varname>ManageForeignRoutingPolicyRules=</varname></term>
	73	<listitem><para>A boolean. When true, <command>systemd-networkd</command> will remove rules
	74	that are not configured in .network files (except for rules with protocol
	75	<literal>kernel</literal>). When false, it will not remove any foreign rules, keeping them even
	76	if they are not configured in a .network file. Defaults to yes.
	77	</para>
	78
	79	<xi:include href="version-info.xml" xpointer="v249"/></listitem>
	80	</varlistentry>
	81
	82	<varlistentry>
	83	<term><varname>ManageForeignRoutes=</varname></term>
	84	<listitem><para>A boolean. When true, <command>systemd-networkd</command> will remove routes
	85	that are not configured in .network files (except for routes with protocol
	86	<literal>kernel</literal>, <literal>dhcp</literal> when <varname>KeepConfiguration=</varname>
	87	is true or <literal>dhcp</literal>, and <literal>static</literal> when
	88	<varname>KeepConfiguration=</varname> is true or <literal>static</literal>). When false, it will
	89	not remove any foreign routes, keeping them even if they are not configured in a .network file.
	90	Defaults to yes.</para>
	91
	92	<xi:include href="version-info.xml" xpointer="v246"/></listitem>
	93	</varlistentry>
	94
	95	<varlistentry>
	96	<term><varname>ManageForeignNextHops=</varname></term>
	97	<listitem><para>A boolean. When true, <command>systemd-networkd</command> will remove nexthops
	98	that are not configured in .network files (except for routes with protocol
	99	<literal>kernel</literal>). When false, it will
	100	not remove any foreign nexthops, keeping them even if they are not configured in a .network file.
	101	Defaults to yes.</para>
	102
	103	<xi:include href="version-info.xml" xpointer="v256"/></listitem>
	104	</varlistentry>
	105
	106	<varlistentry>
	107	<term><varname>RouteTable=</varname></term>
	108	<listitem><para>Defines the route table name. Takes a whitespace-separated list of the pairs of
	109	route table name and number. The route table name and number in each pair are separated with a
	110	colon, i.e., <literal><replaceable>name</replaceable>:<replaceable>number</replaceable></literal>.
	111	The route table name must not be <literal>default</literal>, <literal>main</literal>, or
	112	<literal>local</literal>, as these route table names are predefined with route table number 253,
	113	254, and 255, respectively. The route table number must be an integer in the range 1…4294967295,
	114	except for predefined numbers 253, 254, and 255. This setting can be specified multiple times.
	115	If an empty string is specified, then the list specified earlier are cleared. Defaults to unset.
	116	</para>
	117
	118	<xi:include href="version-info.xml" xpointer="v248"/></listitem>
	119	</varlistentry>
	120
	121	<varlistentry>
	122	<term><varname>IPv6PrivacyExtensions=</varname></term>
	123	<listitem>
	124	<para>Specifies the default value for per-network <varname>IPv6PrivacyExtensions=</varname>.
	125	Takes a boolean or the special values <literal>prefer-public</literal> and
	126	<literal>kernel</literal>. See for details in
	127	<citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
	128	Defaults to <literal>no</literal>.</para>
	129
	130	<xi:include href="version-info.xml" xpointer="v254"/>
	131	</listitem>
	132	</varlistentry>
	133	</variablelist>
	134	</refsect1>
	135
	136	<refsect1>
	137	<title>[DHCPv4] Section Options</title>
	138
	139	<para>This section configures the DHCP Unique Identifier (DUID) value used by DHCP protocol. DHCPv4
	140	client protocol sends IAID and DUID to the DHCP server when acquiring a dynamic IPv4 address if
	141	<option>ClientIdentifier=duid</option>. IAID and DUID allows a DHCP server to uniquely identify the
	142	machine and the interface requesting a DHCP IP address. To configure IAID and ClientIdentifier, see
	143	<citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
	144	</para>
	145
	146	<para>The following options are understood:</para>
	147
	148	<variablelist class='network-directives'>
	149	<varlistentry>
	150	<term><varname>DUIDType=</varname></term>
	151	<listitem><para>Specifies how the DUID should be generated. See
	152	<ulink url="https://tools.ietf.org/html/rfc3315#section-9">RFC 3315</ulink>
	153	for a description of all the options.</para>
	154
	155	<para>This takes an integer in the range 0…65535, or one of the following string values:
	156	<variablelist>
	157	<varlistentry>
	158	<term><option>vendor</option></term>
	159	<listitem><para>If <literal>DUIDType=vendor</literal>, then the DUID value will be generated using
	160	<literal>43793</literal> as the vendor identifier (systemd) and hashed contents of
	161	<citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
	162	This is the default if <varname>DUIDType=</varname> is not specified.
	163	</para>
	164
	165	<xi:include href="version-info.xml" xpointer="v230"/></listitem>
	166	</varlistentry>
	167
	168	<varlistentry>
	169	<term><option>uuid</option></term>
	170	<listitem><para>If <literal>DUIDType=uuid</literal>, and <varname>DUIDRawData=</varname> is not set,
	171	then the product UUID is used as a DUID value. If a system does not have valid product UUID, then
	172	an application-specific
	173	<citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry>
	174	is used as a DUID value. About the application-specific machine ID, see
	175	<citerefentry><refentrytitle>sd_id128_get_machine_app_specific</refentrytitle><manvolnum>3</manvolnum></citerefentry>.
	176	</para>
	177
	178	<xi:include href="version-info.xml" xpointer="v230"/></listitem>
	179	</varlistentry>
	180
	181	<varlistentry>
	182	<term><option>link-layer-time[:<replaceable>TIME</replaceable>]</option></term>
	183	<term><option>link-layer</option></term>
	184	<listitem><para>If <literal>link-layer-time</literal> or <literal>link-layer</literal> is specified,
	185	then the MAC address of the interface is used as a DUID value. The value <literal>link-layer-time</literal>
	186	can take additional time value after a colon, e.g. <literal>link-layer-time:2018-01-23 12:34:56 UTC</literal>.
	187	The default time value is <literal>2000-01-01 00:00:00 UTC</literal>.
	188	</para>
	189
	190	<xi:include href="version-info.xml" xpointer="v240"/></listitem>
	191	</varlistentry>
	192	</variablelist>
	193	</para>
	194
	195	<para>In all cases, <varname>DUIDRawData=</varname> can be used to override the
	196	actual DUID value that is used.</para>
	197
	198	<xi:include href="version-info.xml" xpointer="v230"/></listitem>
	199	</varlistentry>
	200
	201	<varlistentry>
	202	<term><varname>DUIDRawData=</varname></term>
	203	<listitem><para>Specifies the DHCP DUID value as a single newline-terminated, hexadecimal string, with each
	204	byte separated by <literal>:</literal>. The DUID that is sent is composed of the DUID type specified by
	205	<varname>DUIDType=</varname> and the value configured here.</para>
	206
	207	<para>The DUID value specified here overrides the DUID that
	208	<citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
	209	generates from the machine ID. To configure DUID per-network, see
	210	<citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
	211	The configured DHCP DUID should conform to the specification in
	212	<ulink url="http://tools.ietf.org/html/rfc3315#section-9">RFC 3315</ulink>,
	213	<ulink url="http://tools.ietf.org/html/rfc6355">RFC 6355</ulink>. To configure IAID, see
	214	<citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum>
	215	</citerefentry>.</para>
	216
	217	<example>
	218	<title>A <option>DUIDType=vendor</option> with a custom value</title>
	219
	220	<programlisting>DUIDType=vendor
	221	DUIDRawData=00:00:ab:11:f9:2a:c2:77:29:f9:5c:00</programlisting>
	222
	223	<para>This specifies a 14 byte DUID, with the type DUID-EN (<literal>00:02</literal>), enterprise number
	224	43793 (<literal>00:00:ab:11</literal>), and identifier value <literal>f9:2a:c2:77:29:f9:5c:00</literal>.
	225	</para>
	226	</example>
	227
	228	<xi:include href="version-info.xml" xpointer="v230"/>
	229	</listitem>
	230	</varlistentry>
	231	</variablelist>
	232	</refsect1>
	233
	234	<refsect1>
	235	<title>[DHCPv6] Section Options</title>
	236
	237	<para>This section configures the DHCP Unique Identifier (DUID) value used by DHCPv6 protocol.
	238	DHCPv6 client protocol sends the DHCP Unique Identifier and the interface Identity Association
	239	Identifier (IAID) to a DHCPv6 server when acquiring a dynamic IPv6 address. IAID and DUID allows a
	240	DHCPv6 server to uniquely identify the machine and the interface requesting a DHCP IP address. To
	241	configure IAID, see
	242	<citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
	243	</para>
	244
	245	<para>The following options are understood:</para>
	246
	247	<variablelist class='network-directives'>
	248	<varlistentry>
	249	<term><varname>DUIDType=</varname></term>
	250	<term><varname>DUIDRawData=</varname></term>
	251	<listitem><para>As in the [DHCPv4] section.</para>
	252
	253	<xi:include href="version-info.xml" xpointer="v249"/></listitem>
	254	</varlistentry>
	255	</variablelist>
	256	</refsect1>
	257
	258	<refsect1>
	259	<title>See Also</title>
	260	<para><simplelist type="inline">
	261	<member><citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry></member>
	262	<member><citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry></member>
	263	<member><citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry></member>
	264	<member><citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry></member>
	265	<member><citerefentry><refentrytitle>sd_id128_get_machine_app_specific</refentrytitle><manvolnum>3</manvolnum></citerefentry></member>
	266	</simplelist></para>
	267	</refsect1>
	268
	269	</refentry>