Bug ID 864677: ASM causing high mcpd CPU usage

Last Modified: Feb 28, 2020

Bug Tracker

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

Known Affected Versions:
14.1.0,,,,,,, 14.1.2,,,, 15.0.0, 15.0.1,,, 15.1.0

Opened: Dec 23, 2019
Severity: 3-Major


CPU utilization is high on the odd-numbered cores.


Elevated CPU usage.


-- One or more virtual server have FTP/SMTP/WEBSEC profiles attached to it. -- ASM configured.


-- On the BIG-IP system, edit the file /etc/ts/tools/nwd.cfg to change the value EnforcerCpuReportTimeInterval from 60 to a higher value, e.g., 3600 for once an hour, or even larger. -- Restart ASM: bigstart restart asm

Fix Information


Behavior Change