Why SCTP connections are getting closed by sending ABORT for no apparent reason ?

Solution Verified - Updated -

Issue

  • SCTP connections are getting loss due to an ABORT chunk from RHEL.
  • There are 3 servers in total to initiate 20,000 sctp connections to some destination servers. Each system initiates around 6000+ connections.
  • Issue is seen when the connection count reaches to 20,000+ number.

Environment

  • Red Hat Enterprise Linux 7
  • SCTP module

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