Bug ID 441174: Fragmented UDP packets handled by Round Robin DAG

Last Modified: Oct 06, 2020

Bug Tracker

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

Known Affected Versions:
11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4

Fixed In:
11.6.0, 11.5.1 HF5

Opened: Dec 18, 2013
Severity: 3-Major
Related AskF5 Article:


Fragmented UDP packets are dropped.


The fragmented UDP packets are dropped, and are not processed by the BIG-IP system.


Fragmented UDP packets arrive at a BIG-IP system. Affected platforms include the 5000s, 5200v, 7000s, 7200v, 10000s, and 10200v appliances, as well as the B2100, B2150, B2250, and B4300 VIPRION blades.



Fix Information

Do not handle fragmented packets in Round Robin DAG.

Behavior Change