Oracle Solaris 11.4 Tunable Parameters Reference Manual Internet Protocol Suite Tunable Parameters SCTP Tunable Parameters _initial_ssthresh Parameter _initial_ssthresh Parameter Description Sets the initial slow start threshold for a destination address of the peer. Default 1,048,576 Range 1,024 to 4,294,967,295 Dynamic? Yes When to Change Refer to RFC 2960, section 7.2.1. Commitment Level Unstable