:param protocol: Any(0), AH(51) & ESP(50) protocol (Default value = 0)
:param sa_id: Security Association ID for mapping it to SPD
:param policy: bypass(0), discard(1), resolve(2) or protect(3) action
:param protocol: Any(0), AH(51) & ESP(50) protocol (Default value = 0)
:param sa_id: Security Association ID for mapping it to SPD
:param policy: bypass(0), discard(1), resolve(2) or protect(3) action