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

Last Modified: Feb 13, 2019

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:
K15999

Symptoms

Fragmented UDP packets are dropped.

Impact

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

Conditions

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.

Workaround

None

Fix Information

Do not handle fragmented packets in Round Robin DAG.

Behavior Change