Bug ID 2258257: Zombie connections after switching dos profile may cause tmm crash.

Last Modified: May 05, 2026

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

Known Affected Versions:
17.5.1.3, 17.5.1.4, 17.5.1.5

Fixed In:
17.5.1.6, 17.1.3.2

Opened: Mar 26, 2026

Severity: 3-Major

Symptoms

Tmm can crash in rare cases

Impact

Traffic disrupted while tmm restarts.

Conditions

When switching a dos profile (with bados enabled), while connections are still active for aa long time after the switch, tmm crash might occur.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips