Bug ID 627961: nic_failsafe reboot doesn't trigger if HSB fails to disable interface

Last Modified: Sep 13, 2023

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

Fixed In:
12.1.2 HF1

Opened: Nov 10, 2016

Severity: 3-Major

Related Article: K15130343


The HSB driver attempts a nic_failsafe in the case of failing to disable the interface.


TMM may restart continuously resulting in interfaces bouncing constantly.


The driver disables nic_failsafe prior to triggering the nic_failsafe. This is in hsb_ifdown_go_dead.


Reboot the device.

Fix Information

This release fixes issues where nic_failsafe reboot did not happen on HSB failures.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips