Bug ID 921881: Use of IPFIX log destination can result in increased CPU utilization

Last Modified: Jan 22, 2021

Bug Tracker

Affected Product:  See more info
BIG-IP TMOS(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,,,,,,,,, 14.1.3,, 15.0.0, 15.0.1,,,,, 15.1.0,,,,,, 15.1.1, 15.1.2,, 16.0.0,, 16.0.1

Opened: Jun 29, 2020
Severity: 3-Major


-- Increased baseline CPU. - The memory_usage_stats table shows a continuous increase in mds_* rows.


Increased baseline CPU may result in exhaustion of CPU resources.


Configure IPFIX log destination and make regular changes to the associated configuration.


Limiting changes to associated configuration can slow the effects of this issue.

Fix Information


Behavior Change