moon::sysctl -w net.ipv4.conf.all.rp_filter=2 sun::sysctl -w net.ipv4.conf.all.rp_filter=2 moon::iptables-restore < /etc/iptables.rules sun::iptables-restore < /etc/iptables.rules moon::ipsec start sun::ipsec start moon::sleep 1 moon::ipsec up host-host