alice::cat /var/log/daemon.log::faking NAT situation to enforce UDP encapsulation::YES alice::ipsec statusall::nat-t.*INSTALLED::YES sun::ipsec statusall::nat-t.*INSTALLED::YES alice::ping -c 1 PH_IP_BOB::64 bytes from PH_IP_BOB: icmp_seq=1::YES moon::tcpdump::IP alice.strongswan.org.* > sun.strongswan.org.ipsec-nat-t: UDP::YES moon::tcpdump::IP sun.strongswan.org.ipsec-nat-t > alice.strongswan.org.*: UDP::YES