Bug ID 670044: High Speed Logging can crash TMM on TCP pool member down.

Last Modified: Sep 13, 2023

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
11.5.4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10

Opened: Jun 20, 2017

Severity: 3-Major

Symptoms

In rare situations TMM can crash when pool member used in High Speed Logging is marked down by a monitor and pending TCP connection handshake completed shortly after.

Impact

Service disruption while tmm recovers. HA failover event. Traffic disrupted while tmm restarts.

Conditions

-- High Speed Logging pool using TCP protocol. -- Pool marked down by monitor while pending TCP connection. -- TCP handshake completes after pool is marked down.

Workaround

None.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips