Last Modified: Oct 19, 2025
Affected Product(s):
BIG-IP LTM, TMOS
Known Affected Versions:
15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1, 15.1.10, 15.1.10.2, 15.1.10.3, 15.1.10.4, 15.1.10.5, 15.1.10.6, 15.1.10.7, 15.1.10.8, 17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2, 17.1.3, 17.5.1, 17.5.1.2, 17.5.1.3
Opened: Apr 14, 2022 Severity: 3-Major
On a busy system, tcpdump may error out with the following error message: errbuf ERROR:Session expired due to timeout
Tcpdump may exit with an error message.
-- Busy system -- BIG-IP Virtual Edition -- An F5OS tenant running on r2000k or r4000k -- A tcpdump filter that is logging a large amount of traffic
Adjust the filter string to not capture as much traffic. Use the tmm.tcpdump.pkt.ratelimit db key to rate limit tcpdump traffic.
None