Bug ID 1526589: Hostname changes to localhost.localdomain on rebooting other slots

Last Modified: May 29, 2024

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

Known Affected Versions:
15.1.0,,,,,, 15.1.1, 15.1.2,, 15.1.3,, 15.1.4,, 15.1.5,, 15.1.6,, 15.1.7, 15.1.8,,, 15.1.9,, 15.1.10,,,, 17.1.0,,,, 17.1.1,,,

Opened: Feb 14, 2024

Severity: 4-Minor


If the hostname of the tenant is modified and a slot is rebooted, the hostname might revert to the default hostname of localhost.localdomain.


The hostname will be changed on all slots to localhost.localdomain if other slots are restarted.


1. Multi-slot F5OS BIG-IP tenant 2. The hostname is changed to something other than the default of localhost.localdomain 3. A single tenant slot or f5os blade is restarted before all slots are restarted.


After the hostname is changed to something other than the default, restart all slots with clsh reboot.

Fix Information


Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips