Bug ID 2046129: Sometimes TMM might not complete dag_transition.

Last Modified: Apr 20, 2026

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

Known Affected Versions:
17.1.2.2, 17.1.3, 17.1.3.1

Opened: Aug 28, 2025

Severity: 3-Major

Symptoms

Sometimes, TMM might not complete dag_transition. This has been reported only once on a rSeries tenant. `tmctl tmm/ready_for_world_stat` shows that one tmm has not completed the dag transition. `tmctl -d blade tmm/sdaglib` shows 0 cmp_state on the affected tmm.

Impact

The box can't pass traffic reliably.

Conditions

Exact conditions unknown.

Workaround

Reboot the device.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips