Last Modified: Jan 07, 2026
Affected Product(s):
BIG-IP AFM
Known Affected Versions:
11.5.1, 11.5.1 HF1, 11.5.1 HF2, 11.5.1 HF3
Fixed In:
11.6.0, 11.5.1 HF4
Opened: May 17, 2014 Severity: 3-Major
TMM gets killed (aborted) by SOD daemon due to heartbeat failure. You might see a message in in /var/log/ltm similar to the following: notice sod[7291]: 01140029:5: HA daemon_heartbeat tmm fails action is go offline down links and restart.
TMM restart causing traffic disruption.
Trying to load huge firewall policies.
Disable TMM heartbeat.
TMM no longer gets killed by SOD due to heartbeat failure (when trying to load huge firewall policies).