Bug ID 1322517: FCS errors can trigger HSB reset

Last Modified: Oct 19, 2025

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

Known Affected Versions:
15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1, 15.1.10, 15.1.10.2, 15.1.10.3, 15.1.10.4, 15.1.10.5, 15.1.10.6, 15.1.10.7, 15.1.10.8, 16.1.0, 16.1.1, 16.1.2, 16.1.2.1, 16.1.2.2, 16.1.3, 16.1.3.1, 16.1.3.2, 16.1.3.3, 16.1.3.4, 16.1.3.5, 16.1.4, 16.1.4.1, 16.1.4.2, 16.1.4.3, 16.1.5, 16.1.5.1, 16.1.5.2, 16.1.6, 16.1.6.1, 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, 17.5.0, 17.5.1, 17.5.1.2, 17.5.1.3

Opened: Jul 20, 2023

Severity: 3-Major

Related Article: K000133626

Symptoms

No HSB errors are reported but, as the FCS error frames are received, the recovery mechanism requires rebooting the device to bring it back to normal operation.

Impact

There can be an unexpected reboot due to nic_failsafe triggering a reboot.

Conditions

The conditions are unknown at this time

Workaround

Reboot the system if it has not already rebooted.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips