SCTP ABORT sent for SCTP COOKIE_ECHO during load test

Solution In Progress - Updated -

Issue

  • Setup nearly 30K SCTP associations from different SCTP Client IP addresses. After roughly 16-19K SCTP associations are established, SCTP server is sending SCTP ABORT when Test Simulator sends SCTP COOKIE_ECHO
  • The issue is less pronounced if we use single IP address pair and different SCTP ports from clients. i.e. only one client server pair.

Environment

  • Red Hat Enterprise Linux (RHEL) 6.2
  • SCTP

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