Bug ID 621465: Minimum IP packet fragment size is now 1 (changed from 24)

Last Modified: Sep 13, 2023

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

Fixed In:
11.5.4 HF3

Opened: Oct 08, 2016

Severity: 3-Major


The minimum IP packet fragment size, set via DB Var [TM.MinIPfragSize], is 24, and that causes problems if you need to use smaller fragments in your network.


You are unable to configure fragment sizes smaller than 24 in your network.


You are trying to configure TM.MinIPfragSize and need it to be set to a value smaller than 24.



Fix Information

Changed DB Var [TM.MinIPfragSize] minimum value from 24 to 1.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips