tunnel.conf

conn OPSGENESIS
     type=tunnel
     authby=secret
     aggrmode=no
     leftid=x.y.z.a
     left=x.y.z.a
     leftsourceip=10.252.0.1
     leftnexthop=%defaultroute
     leftsubnet=10.252.0.1/32
     right=a.b.c.d
     rightsubnet=a.b.c.0/27
     rightnexthop=%defaultroute
     ike=3des-md5
     esp=3des-md5
     ikelifetime=28800s
     keyexchange=ike
     pfs=yes
     forceencaps=yes
     compress=yes
     auto=start
#     dpdaction=restart_by_peer
#     dpdtimeout=10
#     dpddelay=10