Last Modified: Jul 30, 2025
Affected Product(s):
BIG-IP AFM, Install/Upgrade
Known Affected Versions:
17.5.0, 17.5.1
Opened: Jul 16, 2025 Severity: 2-Critical
After upgrading a BIG-IP AFM device from version 16.1.5.1 to 17.5.0, the device fails to come online. Syntax Error:(/config/bigip.conf at line: 2737) "tcp-ack-flood" unknown property
The device fails to come online. This means the system is not operational which is in offline state.
Network vectors can be Mitigate state. Once dynamic signature detection is enabled, the load fails after upgrade to v17.5.0.
-- Manually remove the duplicate state entry in bigip.conf. -- Perform "tmsh load sys config verify" or reboot
None