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Cisco Bug: CSCvv31629 - Intermittently embedded ping reply over GRE drops on FTD cluster if traffic passes asymmetrically.

Last Modified

Oct 11, 2020

Products (1)

  • Cisco Adaptive Security Appliance (ASA) Software

Known Affected Releases

9.12(2.33)

Description (partial)

Symptom:
Icmp reply packets gets dropped with "no matching session" reason in the syslog output.

Conditions:
When icmp traffic is asymmetrically passes through cluster
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