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jcbr2002
Nimbostratus
Sep 11, 2026BIG-IP 17.1.2 FastL4 unexpectedly sending TCP RST mid-session
Hi everyone, I am troubleshooting unexpected TCP RST packets physically sent by a BIG-IP 17.1.2 Performance L4 virtual server using the default FastL4 profile. The virtual server performs SNA...
jcbr2002
Nimbostratus
Sep 11, 2026Additional information: the issue is intermittent and occurs randomly throughout the day. Most connections establish and complete normally, while only some established TLS sessions are unexpectedly reset by BIG-IP after exchanging application traffic. This is not consistently reproducible for every connection.
Thanks in advance.
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