version 2.0

config setup
        nat_traversal=no
        # virtual_private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12
        nhelpers=0

conn L2TP-PSK-noNAT
        keyingtries=3
        left=%defaultroute
        leftprotoport=17/1701
        right=%any
        rightprotoport=17/%any
        authby=secret
        pfs=no
        auto=start

include /etc/ipsec.d/examples/no_oe.conf