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Cisco Bug: CSCum86316 - %ENTROPY-0-ENTROPY_ERROR: Unable to collect sufficient entropy on bootup

Last Modified

May 22, 2020

Products (1)

  • Cisco Catalyst 3750-X Series Switches

Known Affected Releases

15.4(2.2)T

Description (partial)

Symptom:
c2960s OR c3750x will print Below errors some times.
Mar 30 01:30:04.263: %ENTROPY-0-ENTROPY_ERROR: Unable to collect sufficient entropy
Mar 30 01:31:04.275: %ENTROPY-0-ENTROPY_ERROR: Unable to collect sufficient entropy
Mar 30 01:32:04.279: %ENTROPY-0-ENTROPY_ERROR: Unable to collect sufficient entropy
Mar 30 01:33:04.283: %ENTROPY-0-ENTROPY_ERROR: Unable to collect sufficient entropy
Mar 30 01:34:04.278: %ENTROPY-0-ENTROPY_ERROR: Unable to collect sufficient entropy
Mar 30 01:35:04.290: %ENTROPY-0-ENTROPY_ERROR: Unable to collect sufficient entropy

Conditions:
Happens only in the c3750x and c2960s which are using ACT1 base Entropy. Not seen in other models. This does not happen all always and on all the units. Happens only in some units.

Related Community Discussions

error message switch 3750
  hi, after shutdown this switch 3750 and restart this switch start to show this error message:     ENTROPY-0-ENTROPY_ERROR: Unable to collect sufficient entropy
Latest activity: Aug 30, 2017
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