diff options
Diffstat (limited to 'man/networkd.conf.xml')
| -rw-r--r-- | man/networkd.conf.xml | 81 |
1 files changed, 62 insertions, 19 deletions
diff --git a/man/networkd.conf.xml b/man/networkd.conf.xml index 5166e05cbc..4bfc4f773a 100644 --- a/man/networkd.conf.xml +++ b/man/networkd.conf.xml @@ -58,14 +58,14 @@ <title>Description</title> <para>These configuration files control global network parameters. - For e.g. DHCP Unique Identifier (DUID).</para> + Currently the DHCP Unique Identifier (DUID).</para> </refsect1> <xi:include href="standard-conf.xml" xpointer="main-conf" /> <refsect1> - <title>[DUID] Section Options</title> + <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 @@ -73,28 +73,71 @@ 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> + To configure IAID and ClientIdentifier, see + <citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>. + </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 <citerefentry><refentrytitle>systemd.network - </refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para> - - <para>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> - - <para>The following options are available in <literal>[DUID]</literal> section:</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>link-layer-time</option> </term> + <term><option>link-layer</option> </term> + <term><option>uuid</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> + </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>RawData=</varname></term> - <listitem><para>Specifies the DUID bytes as a single newline-terminated, hexadecimal - string, with each byte separated by a ':'.</para></listitem> + <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 systemd-networkd generates using the machine-id + from the <filename>/etc/machine-id</filename> file. 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> |