Bug ID 2262665: Tmm may crash after F5OS controller and partition software update, tenant software upgrade and both controllers reboots

Last Modified: Sep 30, 2026

Affected Product(s):
BIG-IP Install/Upgrade, TMOS(all modules)

Known Affected Versions:
21.1.0, 21.1.0.1, 21.1.0.2

Opened: Apr 07, 2026

Severity: 3-Major

Symptoms

Tmm may crash after F5OS controller and partition software update, tenant software upgrade and both controller reboots. The crash is rarely reproducible.

Impact

Connectivity may be affected

Conditions

- update F5OS controller and partition software - upgrade tenant software - reboot both controllers

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips