Bug ID 1126181: ZebOS "no log syslog" configuration is not surviving reboot

Last Modified: May 29, 2024

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

Known Affected Versions:
13.1.5,, 14.1.5,,,,,, 15.1.6,, 15.1.7, 15.1.8,,, 15.1.9,, 15.1.10,,,, 16.1.3,,,,,, 16.1.4,,,

Opened: Jul 13, 2022

Severity: 3-Major


ZebOS "log syslog" or "no log syslog" are not surviving reboot according to the user performed operations. Always revert to default setting, which is enabled.


If syslog logging has been disabled using 'no log syslog', and then ZebOS is restarted. For example, by rebooting or upgrading the BIG-IP, syslog logging will revert to the default setting, which is enabled.


-- Under Configure no log syslog. -- Perform reboot or upgrade.



Fix Information


Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips