flow esp out from 1.1.1.1 to 3.3.3.0/24 peer 2.2.2.2 srcid host1.one.net dstid host2.two.net type require
flow esp in from 3.3.3.0/24 to 1.1.1.1 peer 2.2.2.2 srcid host1.one.net dstid host2.two.net type require