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-rw-r--r--man/systemd.netdev.xml27
1 files changed, 27 insertions, 0 deletions
diff --git a/man/systemd.netdev.xml b/man/systemd.netdev.xml
index cde5d65949..3cc58ca854 100644
--- a/man/systemd.netdev.xml
+++ b/man/systemd.netdev.xml
@@ -639,6 +639,33 @@
</listitem>
</varlistentry>
<varlistentry>
+ <term><varname>Key=</varname></term>
+ <listitem>
+ <para>The <varname>Key=</varname> parameter specifies the same key to use in
+ both directions (<varname>InputKey=</varname> and <varname>OutputKey=</varname>).
+ The <varname>Key=</varname> is either a number or an IPv4 address-like dotted quad.
+ It is used as mark-configured SAD/SPD entry as part of the lookup key (both in data
+ and control path) in ip xfrm (framework used to implement IPsec protocol).
+ See <ulink url="http://man7.org/linux/man-pages/man8/ip-xfrm.8.html">
+ ip-xfrm - transform configuration</ulink> for details. It is only used for VTI/VTI6
+ tunnels.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>InputKey=</varname></term>
+ <listitem>
+ <para>The <varname>InputKey=</varname> parameter specifies the key to use for input.
+ The format is same as <varname>Key=</varname>. It is only used for VTI/VTI6 tunnels.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>OutputKey=</varname></term>
+ <listitem>
+ <para>The <varname>OutputKey=</varname> parameter specifies the key to use for output.
+ The format is same as <varname>Key=</varname>. It is only used for VTI/VTI6 tunnels.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
<term><varname>Mode=</varname></term>
<listitem>
<para>An <literal>ip6tnl</literal> tunnel can be in one of three