@classmethod
def create_gre_tunnel_no_encryption(cls, name, local_endpoint,
    remote_endpoint, mtu=0, pmtu_discovery=True, ttl=0, enabled=True,
    comment=None):
    """
        Create a GRE Tunnel with no encryption. See `create_gre_tunnel_mode` for
        constructor descriptions.
        """
    return cls.create_gre_tunnel_mode(name, local_endpoint, remote_endpoint,
        policy_vpn=None, mtu=mtu, pmtu_discovery=pmtu_discovery, ttl=ttl,
        enabled=enabled, comment=comment)
