From ebf9808112d7ed049f461e3ae8aad82b2d65f901 Mon Sep 17 00:00:00 2001
From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Wed, 30 Sep 2015 14:59:43 -0400
Subject: man: describe IPv6AcceptRouterAdvertisements= better

With the previous description it wasn't clear that the
kernel default is being described.

Add link to kernel docs.
---
 man/systemd.network.xml | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

(limited to 'man')

diff --git a/man/systemd.network.xml b/man/systemd.network.xml
index a27f2ff99e..1a33b77002 100644
--- a/man/systemd.network.xml
+++ b/man/systemd.network.xml
@@ -409,11 +409,21 @@
         </varlistentry>
         <varlistentry>
           <term><varname>IPv6AcceptRouterAdvertisements=</varname></term>
-          <listitem><para>Configures Accept Router Advertisements.
-          This is enabled if local forwarding is disabled.
-          Disabled if local forwarding is enabled.
-          Takes a boolean. Defaults to unset.
-        </para></listitem>
+          <listitem><para>Force the setting of <filename>accept_ra</filename>
+          (router advertisements) setting for the interface.
+          When unset, the kernel default is used, and router
+          advertisements are accepted only when local forwarding
+          is disabled for that interface.
+          Takes a boolean. If true, router advertisements are
+          accepted, when false, router advertisements are ignored,
+          independently of the local forwarding state.</para>
+
+          <para>See
+          <ulink url="https://www.kernel.org/doc/Documentation/networking/ip-sysctl.txt">ip-sysctl.txt</ulink>
+          in the kernel documentation, but note that systemd's
+          setting of <constant>1</constant> corresponds to
+          kernel's setting of <constant>2</constant>.</para>
+        </listitem>
         </varlistentry>
         <varlistentry>
           <term><varname>Bridge=</varname></term>
-- 
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