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TMM crashes and produces a core file. The crash is a SIGFPE accompanied by the following panic string: Assertion "packet must already have an ethernet header" failed.
Traffic disrupted while tmm restarts.
This issue occurs when all of the following conditions are met: - The system is provisioned for AFM. - A TCP Half Open attack to the system is underway. - A BIG-IP Administrator attempts to use the AFM Packet Tester tool, and simulates sending a TCP segment with the SYN flag set.
Do not use the AFM Packet Tester tool while a TCP Half Open attack is underway.
TMM no longer crashes when utilizing the AFM Packet Tester tool.
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