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man: mention that DUIDType=uuid uses the product UUID or machine-ID

This commit is contained in:
Yu Watanabe 2018-06-25 21:32:41 +09:00
parent 27dfc98275
commit 319b94bca7
1 changed files with 20 additions and 7 deletions
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27
man/networkd.conf.xml
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@ -67,7 +67,7 @@
<para>The following values are understood:
<variablelist>
<varlistentry>
<term><option>vendor</option> </term>
<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>.
@ -76,9 +76,19 @@
</varlistentry>
<varlistentry>
<term><option>link-layer-time</option> </term>
<term><option>link-layer</option> </term>
<term><option>uuid</option> </term>
<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</option></term>
<term><option>link-layer</option></term>
<listitem><para>Those values are parsed and can be used to set the DUID type
field, but DUID contents must be provided using <varname>DUIDRawData=</varname>.
</para></listitem>
@ -96,8 +106,9 @@
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 systemd-networkd generates using the machine-id
from the <filename>/etc/machine-id</filename> file. To configure DUID per-network, see
<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>,
@ -125,7 +136,9 @@ DUIDRawData=00:00:ab:11:f9:2a:c2:77:29:f9:5c:00</programlisting>
<para>
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>1</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>