AH/ESP cryptographic algorithm, key and parameters.
Anti-Replay Window. A 64-bit counter and a bit-map used to determine whether an inbound AH or ESP packet is a replay.
Indication of whether it's manually set or negotiated automatically. If ManualSet is FALSE, the corresponding SA entry is inserted through IKE protocol negotiation.
IPsec mode: tunnel or transport.
Any observed path MTU and aging variables. The Path MTU processing is defined in section 8 of RFC 4301.
Lifetime of this SA.
Sequence Number Counter. A 64-bit counter used to generate the sequence number field in AH or ESP headers.
Link to one SPD entry.