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

Last Modified: May 27, 2020

Bug Tracker

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

Known Affected Versions:
13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5, 13.1.3, 13.1.3.1, 13.1.3.2, 13.1.3.3, 14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4, 14.0.0.5, 14.0.1, 14.0.1.1, 14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.4, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5

Fixed In:
15.0.0

Opened: Jan 24, 2019
Severity: 3-Major

Symptoms

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

Impact

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.

Conditions

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

Workaround

Reboot the BIG-IP system.

Fix Information

Fixed an issue causing multiple monitoring instances to be created.

Behavior Change