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man: document IPForward=kernel option

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Nick Owens 2015-06-02 15:42:21 -07:00
parent a70ec7f19f
commit 3ed7e9c735
1 changed files with 4 additions and 3 deletions
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7
man/systemd.network.xml
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@ -366,7 +366,8 @@
the routing table. Takes either a boolean argument, or the the routing table. Takes either a boolean argument, or the
values <literal>ipv4</literal> or <literal>ipv6</literal>, values <literal>ipv4</literal> or <literal>ipv6</literal>,
which only enables IP forwarding for the specified address 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> <filename>net.ipv4.conf.&lt;interface&gt;.forwarding</filename>
and and
<filename>net.ipv6.conf.&lt;interface&gt;.forwarding</filename> <filename>net.ipv6.conf.&lt;interface&gt;.forwarding</filename>
@ -375,8 +376,8 @@
for details about sysctl options). Defaults to for details about sysctl options). Defaults to
<literal>no</literal>.</para> <literal>no</literal>.</para>
<para>Note: unless this option is turned on, no IP <para>Note: unless this option is turned on, or set to <literal>kernel</literal>,
forwarding is done on this interface, even if this is no IP forwarding is done on this interface, even if this is
globally turned on in the kernel, with the globally turned on in the kernel, with the
<filename>net.ipv4.ip_forward</filename> and <filename>net.ipv4.ip_forward</filename> and
<filename>net.ipv4.ip_forward</filename> sysctl <filename>net.ipv4.ip_forward</filename> sysctl