DupInitAckInShutAckSend.seq - Unexpected INIT-ACK chunk is received in SHUTDOWN-ACK-SENT state
To check that if INIT-ACK chunk is received in SHUTDOWN-ACK-SENT state then
the endpoint should silently discard a received INIT-ACK chunk.
./DupInitAckInShutAckSend.seq [-tooloption ...] -pkt ./DupInitAckInShutAckSend.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 COOKIE-ACK message is sent to endpoint
B after receiving SHUTDOWN-ACK message.
Endpoint A Endpoint B ULP
(ESTABLISHED) (ESTABLISHED)
SHUTDOWN ----------------->
<----------------- SHUTDOWN-ACK
INIT-ACK -----------------> Silently discard
<----------------- SHUTDOWN-ACK
TEST DESCRIPTION:
1. Send INIT-ACK message after received SHUTDOWN-ACK message.
2. Check A: INIT-ACK message received in SHUTDOWN-ACK-SENT state
is discarded.
None
RFC 4960
5.2.3. Unexpected INIT ACK
If an INIT ACK is received by an endpoint in any state other than the
COOKIE-WAIT state, the endpoint should discard the INIT ACK chunk.
An unexpected INIT ACK usually indicates the processing of an old or
duplicated INIT chunk.