X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsystemd.network.xml;h=21f6d50cc76911cf27844a5ba865dd9bc68b3e26;hp=f3b3b315b6589cf2a8aae89fc8e915b4088565ad;hb=8d0e0ddda6501479eb69164687c83c1a7667b33a;hpb=f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcf

diff --git a/man/systemd.network.xml b/man/systemd.network.xml
index f3b3b315b..21f6d50cc 100644
--- a/man/systemd.network.xml
+++ b/man/systemd.network.xml
@@ -78,6 +78,11 @@
                 <filename>/usr/lib</filename>, pointing to <filename>/dev/null</filename>,
                 disables the configuration file entirely.</para>
 
+        </refsect1>
+
+        <refsect1>
+                <title>[Match] Section Options</title>
+
                         <para>The network file contains a <literal>[Match]</literal> section,
                         which determines if a given network file may be applied to a given device;
                         and a <literal>[Network]</literal> section specifying how the device should
@@ -172,6 +177,11 @@
                                 </varlistentry>
                         </variablelist>
 
+        </refsect1>
+
+        <refsect1>
+                <title>[Network] Section Options</title>
+
                         <para>The <literal>[Network]</literal> section accepts the following keys:</para>
 
                         <variablelist class='network-directives'>
@@ -192,8 +202,9 @@
                                         <term><varname>IPv4LL=</varname></term>
                                         <listitem>
                                                 <para>A boolean. When true, enables IPv4 link-local support.
-                                                If <literal>DHCP=</literal> is also true, IPv4 link-local
-                                                address will be removed upon acquiring a DHCP lease.
+                                                If <literal>DHCP=</literal> is also true, acquiring DHCP address
+                                                will deprecate previously acquired IPv4 link-local address or
+                                                stop acquiring process if one has not been acquired before.
                                                 </para>
                                         </listitem>
                                 </varlistentry>
@@ -209,6 +220,43 @@
                                                 an Address key (see below). This option may be specified
                                                 more than once.
                                                 </para>
+
+                                                <para>If the specified
+                                                address is 0.0.0.0
+                                                (for IPv4) or [::]
+                                                (for IPv6), a new
+                                                address range of the
+                                                requested size is
+                                                automatically
+                                                allocated from a
+                                                system-wide pool of
+                                                unused ranges. The
+                                                allocated range is
+                                                checked against all
+                                                current network
+                                                interfaces and all
+                                                known network
+                                                configuration files to
+                                                avoid IP range
+                                                conflicts. The default
+                                                system-wide pool
+                                                consists of
+                                                192.168.0.0/16,
+                                                172.16.0.0/12 and
+                                                10.0.0.0/8 for IPv4,
+                                                and [fc00::] for
+                                                IPv6. This
+                                                functionality is
+                                                useful to manage a
+                                                large number of
+                                                dynamically created
+                                                network interfaces
+                                                with the same network
+                                                configuration and
+                                                automatic address
+                                                range
+                                                assignment.</para>
+
                                         </listitem>
                                 </varlistentry>
                                 <varlistentry>
@@ -256,6 +304,11 @@
                                 </varlistentry>
                         </variablelist>
 
+        </refsect1>
+
+        <refsect1>
+                <title>[Address] Section Options</title>
+
                         <para>An <literal>[Address]</literal> section accepts the following keys.
                         Specify several <literal>[Address]</literal> sections to configure several
                         addresses.</para>
@@ -271,8 +324,8 @@
                                         <term><varname>Broadcast=</varname></term>
                                         <listitem>
                                                 <para>The broadcast address, which must be in the format described in
-                                                <citerefentry><refentrytitle>inet_pton</refentrytitle><manvolnum>3</manvolnum></citerefentry>
-                                                . This key only applies to IPv4 addresses. If it is not given, it is
+                                                <citerefentry><refentrytitle>inet_pton</refentrytitle><manvolnum>3</manvolnum></citerefentry>.
+                                                This key only applies to IPv4 addresses. If it is not given, it is
                                                 derived from the <literal>Address</literal> key.</para>
                                         </listitem>
                                 </varlistentry>
@@ -283,7 +336,10 @@
                                         </listitem>
                                 </varlistentry>
                         </variablelist>
+        </refsect1>
 
+        <refsect1>
+                <title>[Route] Section Options</title>
                         <para>The <literal>[Route]</literal> section accepts the following keys. Specify
                         several <literal>[Route]</literal> sections to configure several routes.</para>
 
@@ -298,11 +354,14 @@
                                         <term><varname>Destination=</varname></term>
                                         <listitem>
                                                 <para>The destination prefix of the route. Possibly followed by a slash and the
-                                                prefixlength, if ommitted a full-length host route is assumed.</para>
+                                                prefixlength. If ommitted, a full-length host route is assumed.</para>
                                         </listitem>
                                 </varlistentry>
                         </variablelist>
+        </refsect1>
 
+        <refsect1>
+                <title>[DHCPv4] Section Options</title>
                         <para>The <literal>[DHCPv4]</literal> section accepts the following keys:</para>
 
                         <variablelist class='network-directives'>