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Diffstat (limited to 'man/networkd.conf.xml')
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diff --git a/man/networkd.conf.xml b/man/networkd.conf.xml new file mode 100644 index 0000000..c624d4d --- /dev/null +++ b/man/networkd.conf.xml @@ -0,0 +1,147 @@ +<?xml version='1.0'?> +<!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+ + + 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><filename>/etc/systemd/networkd.conf</filename></para> + <para><filename>/etc/systemd/networkd.conf.d/*.conf</filename></para> + <para><filename>/usr/lib/systemd/networkd.conf.d/*.conf</filename></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>[DHCP] Section Options</title> + + <para>This section configures the DHCP Unique Identifier (DUID) value used by DHCP + protocol. DHCPv6 client protocol sends the DHCP Unique Identifier and the interface + Identity Association Identifier (IAID) to a DHCP server when acquiring a dynamic IPv6 + address. 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. + 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>The following values are understood: + <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></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></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></listitem> + </varlistentry> + </variablelist> + </para> + + <para>In all cases, <varname>DUIDRawData=</varname> can be used to override the + actual DUID value that is used.</para></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> + </listitem> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1> + <title>See Also</title> + <para> + <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry>, + <citerefentry><refentrytitle>sd_id128_get_machine_app_specific</refentrytitle><manvolnum>3</manvolnum></citerefentry> + </para> + </refsect1> + +</refentry> |