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authorNick Owens <nick.owens@coreos.com>2015-06-02 15:42:21 -0700
committerNick Owens <nick.owens@coreos.com>2015-06-11 12:09:27 -0700
commit2972cba11712c3bfbe9fa07d1f3c3c4330127733 (patch)
treeb3fb3b979ecebc62cf9fa60293d69e9fc7980f89
parent8add5f79709f323f1b077dde8a4a1aa7f560886f (diff)
man: document IPForward=kernel option
-rw-r--r--man/systemd.network.xml7
1 files changed, 4 insertions, 3 deletions
diff --git a/man/systemd.network.xml b/man/systemd.network.xml
index bd061c270a..54fef4c9c4 100644
--- a/man/systemd.network.xml
+++ b/man/systemd.network.xml
@@ -366,7 +366,8 @@
the routing table. Takes either a boolean argument, or the
values <literal>ipv4</literal> or <literal>ipv6</literal>,
which only enables IP forwarding for the specified address
- family. This controls the
+ family, or <literal>kernel</literal>, which preserves existing sysctl settings.
+ This controls the
<filename>net.ipv4.conf.&lt;interface&gt;.forwarding</filename>
and
<filename>net.ipv6.conf.&lt;interface&gt;.forwarding</filename>
@@ -375,8 +376,8 @@
for details about sysctl options). Defaults to
<literal>no</literal>.</para>
- <para>Note: unless this option is turned on, no IP
- forwarding is done on this interface, even if this is
+ <para>Note: unless this option is turned on, or set to <literal>kernel</literal>,
+ no IP forwarding is done on this interface, even if this is
globally turned on in the kernel, with the
<filename>net.ipv4.ip_forward</filename> and
<filename>net.ipv4.ip_forward</filename> sysctl