- This scenario tests <b>repeated authentication</b> according to RFC 4478.
 
- The iniator <b>carol</b> sets a large <b>ikelifetime=20m</b> but the responder
 
- <b>moon</b> defining a much shorter <b>ikelifetime=30s</b> proposes this
 
- value via an AUTH_LIFETIME notification to the initiator. Thus the 
 
- IKE reauthentication takes places after less than 30s. A ping from
 
- <b>carol</b> to client <b>alice</b> hiding in the subnet behind <b>moon</b>
 
- tests if the CHILD_SA has been inherited by the new IKE_SA.
 
 
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