Bug ID 756494: For in-tmm monitoring: multiple instances of the same agent are running on the Standby device

Last Modified: Oct 06, 2020

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(all modules)

Known Affected Versions:
13.1.0,,,,,,,,, 13.1.1,,,,, 13.1.3,,,, 14.0.0,,,,,, 14.0.1,, 14.1.0,,,,,, 14.1.2,,,,,,

Fixed In:

Opened: Jan 24, 2019
Severity: 3-Major


The standby device is sending monitor requests at a more frequent interval than what is configured.


Multiple instances of in-tmm monitoring may be created and the BIG-IP device may be sending monitoring traffic more frequently than what is configured.


-- In-tmm monitoring configured. -- High availability (HA) configured. There is no explicit way to reproduce this and it does not occur every time.


Reboot the BIG-IP system.

Fix Information

Fixed an issue causing multiple monitoring instances to be created.

Behavior Change