alice::ipsec status 2> /dev/null::nat-t.*ESTABLISHED.*alice@strongswan.org.*sun.strongswan.org::YES sun:: ipsec status 2> /dev/null::nat-t.*ESTABLISHED.*sun.strongswan.org.*alice@strongswan.org::YES alice::ipsec status 2> /dev/null::nat-t.*INSTALLED, TRANSPORT::YES sun:: ipsec status 2> /dev/null::nat-t.*INSTALLED, TRANSPORT::YES alice::ping -c 1 PH_IP_SUN::64 bytes from PH_IP_SUN: icmp_req=1::YES venus::ping -c 1 -W 1 PH_IP_SUN::64 bytes from PH_IP_SUN: icmp_req=1::NO venus::ipsec up nat-t::received TS_UNACCEPTABLE notify::YES sun::cat /var/log/daemon.log::unable to install policy::YES sun::tcpdump::IP moon.strongswan.org.* > sun.strongswan.org.*: UDP::YES sun::tcpdump::IP sun.strongswan.org.* > moon.strongswan.org.*: UDP::YES sun::tcpdump::IP moon.strongswan.org > sun.strongswan.org: ICMP echo request::YES sun::tcpdump::IP sun.strongswan.org > moon.strongswan.org: ICMP echo reply::NO