  <varlistentry>
  <term><emphasis remap='B'>ikelifetime</emphasis></term>
  <listitem>
<para>how long the keying channel of a connection (buzzphrase:
 &ldquo;IKE SA&rdquo; or &ldquo;Parent SA&rdquo;) should last
 before being renegotiated; acceptable values as for
<emphasis remap='B'>salifetime</emphasis>. The
default as of version 4.2 is <emphasis remap='B'>8h</emphasis>, before
that it was 1h. The maximum is <emphasis remap='B'>24h</emphasis>.
The two-ends-disagree case is similar to that of
<emphasis remap='B'>salifetime</emphasis>.</para>
  </listitem>
  </varlistentry>
