SCTP advertised receive window (a_rwnd) does not change when socket receive buffer size changes
Issue
- SCTP advertised receive window does not change when socket receive buffer size changes
- When setting an SCTP socket buffer with
setsockopt(SO_RCVBUF)after INIT, the change is reflected innetstatand/proc/net/sctp/assocs, but not ina_rwndsent in SACK packets in apcappacket capture - The configured value of SCTP receive and send buffer is not reflected in the SCTP SACK
Environment
- Red Hat Enterprise Linux 7
- Streaming Control Transmission Protocol (SCTP) association
- Socket buffer size changed post-INIT with
setsockopt(SO_RCVBUF)
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