carol::ipsec status 2> /dev/null::moon.*ESTABLISHED.*carol.strongswan.org.*moon.strongswan.org::YES dave:: ipsec status 2> /dev/null::moon.*ESTABLISHED.*carol.strongswan.org.*moon.strongswan.org::YES carol::ipsec status 2> /dev/null::moon.*INSTALLED, TUNNEL::YES dave:: ipsec status 2> /dev/null::moon.*INSTALLED, TUNNEL::YES moon:: cat /var/log/auth.log::IKE_SA carol\[1] established.*PH_IP_CAROL::YES moon:: cat /var/log/daemon.log::destroying duplicate IKE_SA for.*carol@strongswan.org.*received INITIAL_CONTACT::YES moon:: cat /var/log/auth.log::IKE_SA carol\[2] established.*PH_IP_DAVE::YES dave:: ping -c 1 PH_IP_ALICE::64 bytes from PH_IP_ALICE: icmp_req=1::YES alice::tcpdump::IP carol1.strongswan.org > alice.strongswan.org: ICMP echo request::YES alice::tcpdump::IP alice.strongswan.org > carol1.strongswan.org: ICMP echo reply::YES