Bug ID 451549: Fan tray serial number is not updated after removal/replacement

Last Modified: Jun 19, 2025

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

Known Affected Versions:
11.5.1, 11.5.1 HF1, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.1 HF10, 11.5.1 HF11, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.5.4, 11.5.4 HF1, 11.5.4 HF2, 11.5.4 HF3, 11.5.4 HF4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10

Opened: Mar 07, 2014

Severity: 3-Major

Symptoms

If a fan tray is removed and replaced with another within a 30 second interval, the serial number of the new fan tray is not reflected in the hardware information.

Impact

Any chassis where the fan tray is changed.

Conditions

Chassis with a fan tray running any supported version of the software.

Workaround

Wait more than 30 seconds between removing the fan tray and replacing it with a new one.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips