From 2ab60209307294db1dba48be8896b226adc50cf6 Mon Sep 17 00:00:00 2001
From: Langston Barrett <langston.barrett@gmail.com>
Date: Thu, 8 Sep 2016 18:12:05 +0000
Subject: [PATCH] nixos manual: disable ipv6 per interface

from a discussion on #13293
---
 nixos/doc/manual/configuration/ipv6-config.xml | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/nixos/doc/manual/configuration/ipv6-config.xml b/nixos/doc/manual/configuration/ipv6-config.xml
index 592bf20e545d..bf86926f9bf5 100644
--- a/nixos/doc/manual/configuration/ipv6-config.xml
+++ b/nixos/doc/manual/configuration/ipv6-config.xml
@@ -12,8 +12,15 @@ can disable IPv6 support globally by setting:
 
 <programlisting>
 networking.enableIPv6 = false;
-</programlisting>
+</programlisting></para>
 
+<para>You can disable IPv6 on a single interface using a normal sysctl (in this
+example, we use interface <varname>eth0</varname>):
+
+<programlisting>
+boot.kernel.sysctl."net.ipv6.conf.eth0.disable_ipv6" = true;
+</programlisting>
 </para>
 
+
 </section>