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ipfw.ReachedMaxStates Due to Excessive TLSv1.3 Connections to StorageGRID

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Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

  • ONTAP 9
  • TLSv1.3
  • StorageGrid

Issue

  • EMS repeatedly logs ipfw.ReachedMaxStates from ONTAP intercluster LIF IP to StorageGrid IP
    • Mon Apr 27 19:45:15 -0400 [node01: OscHighPriThreadPoo: ipfw.ReachedMaxStates:notice]: The ipfw firewall failed to create dynamic "keep-state" entry. Reason: Dynamic entries for 'keep-state' rules allocation failure, current # of entries: 31776. Recent connections reaching this limit: 
      [x.x.x.x]:11090->[y.y.y.y]:10443 (TCP):32768;
      [x.x.x.x]:11091->[y.y.y.y]:10443 (TCP):32768;
      [x.x.x.x]:11092->[y.y.y.y]:10443 (TCP):32768;
      [x.x.x.x]:54768->[y.y.y.y]:10443 (TCP):31776;
      [x.x.x.x]:11089->[y.y.y.y]:10443 (TCP):32768;

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