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112 lines
4.3 KiB
XML
112 lines
4.3 KiB
XML
<?xml version='1.0'?> <!--*- Mode: nxml; nxml-child-indent: 2; indent-tabs-mode: nil -*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!--
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This file is part of systemd.
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Copyright 2014 Vinay Kulkarni
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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-->
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<refentry id="networkd.conf" conditional='ENABLE_NETWORKD'
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xmlns:xi="http://www.w3.org/2001/XInclude">
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<refentryinfo>
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<title>networkd.conf</title>
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<productname>systemd</productname>
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<authorgroup>
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<author>
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<contrib>Developer</contrib>
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<firstname>Vinay</firstname>
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<surname>Kulkarni</surname>
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<email>kulkarniv@vmware.com</email>
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</author>
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</authorgroup>
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</refentryinfo>
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<refmeta>
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<refentrytitle>networkd.conf</refentrytitle>
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<manvolnum>5</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>networkd.conf</refname>
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<refname>networkd.conf.d</refname>
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<refpurpose>Global Network configuration files</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename>/etc/systemd/networkd.conf</filename></para>
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<para><filename>/etc/systemd/networkd.conf.d/*.conf</filename></para>
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<para><filename>/usr/lib/systemd/networkd.conf.d/*.conf</filename></para>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para>These configuration files control global network parameters.
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For e.g. DHCP Unique Identifier (DUID).</para>
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</refsect1>
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<xi:include href="standard-conf.xml" xpointer="main-conf" />
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<refsect1>
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<title>[DUID] Section Options</title>
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<para>This section configures the DHCP Unique Identifier (DUID) value used by DHCP
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protocol. DHCPv6 client protocol sends the DHCP Unique Identifier and the interface
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Identity Association Identifier (IAID) to a DHCP server when acquiring a dynamic IPv6
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address. DHCPv4 client protocol sends IAID and DUID to the DHCP server when acquiring
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a dynamic IPv4 address if <option>ClientIdentifier=duid</option>. IAID and DUID allows
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a DHCP server to uniquely identify the machine and the interface requesting a DHCP IP.
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To configure IAID and ClientIdentifier, see <citerefentry><refentrytitle>systemd.network
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</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
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<para>The DUID value specified here overrides the DUID that systemd-networkd
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generates using the machine-id from the <filename>/etc/machine-id</filename> file.
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To configure DUID per-network, see <citerefentry><refentrytitle>systemd.network
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</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
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<para>The configured DHCP DUID should conform to the specification in
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<ulink url="http://tools.ietf.org/html/rfc3315#section-9">RFC 3315</ulink>,
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<ulink url="http://tools.ietf.org/html/rfc6355">RFC 6355</ulink>. To configure IAID, see
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<citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum>
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</citerefentry>.</para>
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<para>The following options are available in <literal>[DUID]</literal> section:</para>
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<variablelist class='network-directives'>
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<varlistentry>
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<term><varname>RawData=</varname></term>
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<listitem><para>Specifies the DUID bytes as a single newline-terminated, hexadecimal
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string, with each byte separated by a ':'.</para></listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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