Bug ID 1926861: TMM crash when updating DNS resolver cache.

Last Modified: Oct 19, 2025

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

Known Affected Versions:
17.1.0, 17.1.0.1, 17.1.0.2, 17.1.0.3, 17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4

Fixed In:
17.5.0, 17.1.2, 16.1.6.1, 15.1.10.8

Opened: Apr 14, 2025

Severity: 3-Major

Symptoms

TMM might crash when updating DNS resolver cache.

Impact

Traffic disrupted while tmm restarts.

Conditions

TMM configured to use DNS resolver cache.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips