OOTB_InitAckChunk.seq - INIT-ACK chunk is received from an address with which endpoint has no association
To check that if INIT-ACK chunk is received from a destination address corresponding
to which there is no association, the enpoint should responds it with ABORT message.
./OOTB_InitAckChunk.seq [-tooloption ...] -pkt ./OOTB_InitAckChunk.def
-tooloption : v6eval tool option
See Also: ../common/STD_PKT_COMMON.def
../common/SCTP_COMMON.def
Association is not established between endpoint A and B. Arrange the data
in endpoint A such that INIT-ACK is sent to endpoint B.
Endpoint A Endpoint B ULP
(CLOSED) (CLOSED)
INIT-ACK ----------------->
<----------------- ABORT
Discard the INIT-ACK
TEST DESCRIPTION:
1. Send INIT-ACK message from endpoint A to B, when there is no
association between them.
Record the message sequence using a signal emulator.
2. Check A: ABORT message will be sent at endpoint B.
3. Check B: Verification tag in the ABORT will be set equal to the
verification tag in the received INIT-ACK.
4. Check C: INIT-ACK is discarded.
5. Check D: State of endpoint B is not disturbed.
6. Check E: T-Bit in the ABORT chunk is set to 1.
None
RFC 4960
8.4. Handle "Out of the Blue" Packets
8) The receiver should respond to the sender of the OOTB packet with
an ABORT. When sending the ABORT, the receiver of the OOTB
packet MUST fill in the Verification Tag field of the outbound
packet with the value found in the Verification Tag field of the
OOTB packet and set the T bit in the Chunk Flags to indicate that
the Verification Tag is reflected. After sending this ABORT, the
receiver of the OOTB packet shall discard the OOTB packet and
take no further action.