network: clarify the relationship between DHCP= and WithoutRA=

Just setting DHCP=ipv6 is not enough to get DHCPv6 working without RA.
The WithoutRA option must also be changed from its default of "no".

diff --git a/man/systemd.network.xml b/man/systemd.network.xml
index ac8cd1342d7ed3f6913b6cfc4f8d7d0eabe3cdec..c2ce1b1d6949075ee16cde387aea5b96b5a7784d 100644 (file)
--- a/man/systemd.network.xml
+++ b/man/systemd.network.xml
@@ -328,9 +328,10 @@
           <literal>no</literal>.</para>
 
           <para>Note that DHCPv6 will by default be triggered by Router Advertisement, if that is
-          enabled, regardless of this parameter. By enabling DHCPv6 support explicitly, the DHCPv6
-          client will be started regardless of the presence of routers on the link, or what flags the
-          routers pass. See <literal>IPv6AcceptRA=</literal>.</para>
+          enabled, regardless of this parameter. By explicitly enabling DHCPv6 support here, the
+          DHCPv6 client will be started in the mode specified by the <variable>WithoutRA=</variable>
+          setting in the [DHCPv6] section, regardless of the presence of routers on the link, or
+          what flags the routers pass. See <literal>IPv6AcceptRA=</literal>.</para>
 
           <para>Furthermore, note that by default the domain name specified through DHCP is not used
           for name resolution. See option <option>UseDomains=</option> below.</para>