---

config setup
    charondebug="ike 1, knl 1, cfg 0"

conn gre-ipsec
    authby=secret
    type=transport
    left=10.0.0.2
    right=10.0.1.2
    leftprotoport=gre
    rightprotoport=gre
    keyexchange=ikev2
    ike=aes256-sha256-modp2048!
    esp=aes256-sha256!
    auto=start