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Repetitive ktls.cnxnHandshakeLimit - ONTAP reached the maximum limit of 170 concurrent TLS connection handshakes message after ONTAP upgrade to 9.13 or over

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Category:
ontap-9
Specialty:
CORE
Last Updated:

Applies to

ONTAP 9.13.1 onwards

Issue

  • Repetitive alerts in EMS logs

[nodename1: kernel: ktls.cnxnHandshakeLimit:notice]: ONTAP reached the maximum limit of XXX concurrent TLS connection handshakes. If this limit is reached, subsequent TLS connections will fail.

  • May also show -

[nodename1: kernel: ems.engine.suppressed:debug]: Event 'ktls.cnxnHandshakeLimit' suppressed 21 times in last 1141 seconds.

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