Last Modified: Sep 13, 2023
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
11.5.2, 11.5.3, 11.6.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2
Fixed In:
12.0.0, 11.6.1, 11.5.4
Opened: Jul 23, 2015 Severity: 2-Critical
TMM may produce a core file when calculating the rate limit in certain circumstances.
Traffic disrupted while tmm restarts.
VIP/pool configuration contains: - Pool configured with + Action On Service Down is set to Reselect - Pool members configured with + Connection Rate Limit is set If all pool members go down, this can trigger the core
Remove rate limit configuration.
TMM no longer cores in certain conditions with rate limiting and service-down-action reselect on poolmembers