# egrep -v "^(#|$)" /etc/ipsec.conf 
version 2.0
config setup
        interfaces="ipsec0=eth1"
conn block
        auto=ignore
conn private
        auto=ignore
conn private-or-clear
        auto=ignore
conn clear-or-private
        auto=ignore
conn clear
        auto=ignore
conn packetdefault
        auto=ignore
conn ramp-gateway
        right=172.18.101.2
        left=172.18.100.2
        authby=secret
        leftsubnet=192.168.190.0/24
        rightsubnet=192.168.180.0/24
        auto=add