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Cisco Bug: CSCvs84169 - IPSec HMAC drops between C83xx/Curie and C85xx/Greenday with 172_throttle image after stress traffic

Last Modified

Oct 09, 2020

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

Amsterdam-17.2.1

Description (partial)

Symptom:
One may observe HMAC drop (IN_CD_SW_IPSEC_MAC_EXCEPTION) when SDWAN IPsec session sequence number is larger than 32 bit and there is session flap.

Conditions:
When SDWAN IPsec session sequence number is larger than 32 bit and there is session flap.
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