<listitem><para>Specifies the time interval to calculate the traffic speed of each interface.
If <varname>SpeedMeter=no</varname>, the value is ignored. Defaults to 10sec.</para></listitem>
</varlistentry>
+
+ <varlistentry>
+ <term><varname>ManageForeignRoutes=</varname></term>
+ <listitem><para>A boolean. When true, <command>systemd-networkd</command> will store any routes
+ configured by other tools in its memory. When false, <command>systemd-networkd</command> will
+ not manage the foreign routes, thus they are kept even if <varname>KeepConfiguration=</varname>
+ is false. Defaults to yes.</para></listitem>
+ </varlistentry>
+
</variablelist>
</refsect1>