Add SPDX license identifiers to man pages

[thirdparty/systemd.git] / man / systemd.network.xml

diff --git a/man/systemd.network.xml b/man/systemd.network.xml
index 97509026619b983b87fe50df5611fac5905ff71a..43324b8898370e17c5c15979146bf4e8b337fd9a 100644 (file)
--- a/man/systemd.network.xml
+++ b/man/systemd.network.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Tom Gundersen
@@ -1063,7 +1065,7 @@
           <listitem>
             <para>When true, the interface maximum transmission unit
             from the DHCP server will be used on the current link.
-            Defaults to true.</para>
+            Defaults to false.</para>
           </listitem>
         </varlistentry>
         <varlistentry>
@@ -1225,6 +1227,9 @@
             <para>The table identifier for DHCP routes (a number between 1 and 4294967295, or 0 to unset).
             The table can be retrieved using <command>ip route show table <replaceable>num</replaceable></command>.
             </para>
+            <para>When used in combination with <varname>VRF=</varname> the
+            VRF's routing table is used unless this parameter is specified.
+            </para>
           </listitem>
         </varlistentry>
 
@@ -1449,19 +1454,36 @@
       </varlistentry>
 
       <varlistentry>
+        <term><varname>EmitDNS=</varname></term>
         <term><varname>DNS=</varname></term>
 
-        <listitem><para>A list of recursive DNS server IPv6 addresses
-        distributed via Router Advertisement messages.
+        <listitem><para><varname>DNS=</varname> specifies a list of recursive
+        DNS server IPv6 addresses that distributed via Router Advertisement
+        messages when <varname>EmitDNS=</varname> is true. If <varname>DNS=
+        </varname> is empty, DNS servers are read from the
+        <literal>[Network]</literal> section. If the
+        <literal>[Network]</literal> section does not contain any DNS servers
+        either, DNS servers from the uplink with the highest priority default
+        route are used. When <varname>EmitDNS=</varname> is false, no DNS server
+        information is sent in Router Advertisement messages.
+        <varname>EmitDNS=</varname> defaults to true.
         </para></listitem>
       </varlistentry>
 
       <varlistentry>
+        <term><varname>EmitDomains=</varname></term>
         <term><varname>Domains=</varname></term>
 
-        <listitem><para>A list of DNS search domains distributed via
-        Router Advertisement messages. Defaults to empty, i.e. no search
-        domains are sent.</para></listitem>
+        <listitem><para>A list of DNS search domains distributed via Router
+        Advertisement messages when <varname>EmitDomains=</varname> is true. If
+        <varname>Domains=</varname> is empty, DNS search domains are read from the
+        <literal>[Network]</literal> section. If the <literal>[Network]</literal>
+        section does not contain any DNS search domains either, DNS search
+        domains from the uplink with the highest priority default route are
+        used. When <varname>EmitDomains=</varname> is false, no DNS search domain
+        information is sent in Router Advertisement messages.
+        <varname>EmitDomains=</varname> defaults to true.
+        </para></listitem>
       </varlistentry>
 
       <varlistentry>
@@ -1824,8 +1846,9 @@ Bond=bond1
       <title>Virtual Routing and Forwarding (VRF)</title>
       <para>Add the <literal>bond1</literal> interface to the VRF master interface
       <literal>vrf1</literal>. This will redirect routes generated on this interface to be
-      within the routing table defined during VRF creation. Traffic won't be redirected
-      towards the VRFs routing table unless specific ip-rules are added.</para>
+      within the routing table defined during VRF creation. For kernels before 4.8 traffic
+      won't be redirected towards the VRFs routing table unless specific ip-rules are added.
+      </para>
       <programlisting># /etc/systemd/network/25-vrf.network
 [Match]
 Name=bond1