Cisco Bug: CSCul55863 - ASA with ICMP insp. drops replies with 'seq num not matched' code
Apr 16, 2020
- Cisco ASA 5500-X Series Firewalls
Known Affected Releases
Symptom: ASA is dropping approx. 50% of ICMP echo replies coming from VPN tunnel. Conditions: ASA running version 9.1.2+ with ICMP echo inspection enabled and terminating a VPN tunnel.
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Bug Details Include
- Full Description (including symptoms, conditions and workarounds)
- Known Fixed Releases
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