Bug ID 2284709: TMM might restart with certain network traffic

Last Modified: May 05, 2026

Affected Product(s):
BIG-IP LTM(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, 17.1.2, 17.1.2.1, 17.1.2.2, 17.1.3, 17.1.3.1, 17.1.3.2, 17.5.0, 17.5.1, 17.5.1.2, 17.5.1.3, 17.5.1.4, 17.5.1.5, 17.5.1.6, 21.0.0, 21.0.0.1

Opened: Apr 19, 2026

Severity: 2-Critical

Symptoms

TMM is not handling specific HTTP/3 traffic as expected.

Impact

Traffic is disrupted while TMM restarts.

Conditions

A Virtual Server with an HTTP/3 profile.

Workaround

None.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips