Bug ID 783505: ASU is very slow on device with hundreds of policies due to table checksums

Last Modified: Sep 13, 2023

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

Known Affected Versions:
12.1.0, 12.1.1, 12.1.2, 12.1.3,,,,,,,, 12.1.4,, 12.1.5, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 13.1.0,,,,,,,,, 13.1.1,,,,, 13.1.3,,,

Fixed In:,

Opened: May 19, 2019

Severity: 3-Major


ASU is very slow on devices with hundreds of policies due to table checksums.


The ASU process takes hours to complete.


-- There are hundreds of ASM policies on the device. -- ASU is performed. -- 'DoTableChecksums' is set to 1.


In the configuration file /etc/ts/dcc/prepare_policy.cfg, set 'DoTableChecksums' to 0.

Fix Information


Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips