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man: document IPForward=kernel option

This commit is contained in:
Nick Owens 2015-06-02 15:42:21 -07:00
parent 8add5f7970
commit 2972cba117

View File

@ -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