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Cisco Bug: CSCvu12628 - 9105I and 1815w "ToDevice dtls_encrypt is full, packet delayed" after hours Data Encryption enabled

Last Modified

Jun 19, 2020

Products (1)

  • Cisco Aironet 1850 Series Access Points

Known Affected Releases

8.10(128.101) ap-16.12.3.2 ap-17.2.1.2

Description (partial)

Symptom:
When Vanc 9120I is enabled for Data Encryption on AP Advanced page, after AP joins into WLC for hours, the below error could occur on AP console:

[*05/05/2020 07:29:41.7930] ToDevice dtls_encrypt is full, packet delayed
Issue also observed on 1815w APs running 17.2.1 image

Conditions:
na
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