Bug ID 429991: Introduced stateless UDP disaggregation on the VIPRION C4800 chassis

Last Modified: Jul 12, 2023

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

Known Affected Versions:
11.4.0, 11.4.1

Fixed In:
11.5.0, 11.4.1 HF9, 11.4.0 HF4

Opened: Sep 06, 2013

Severity: 2-Critical

Symptoms

Stateless UDP traffic cannot be evenly distributed by regular DAGs on the VIPRION C4800 chassis.

Impact

Stateless UDP traffic cannot be evenly distributed by regular DAGs.

Conditions

VIPRION C4800 chassis and passing UDP traffic.

Workaround

None.

Fix Information

On the VIPRION C4800 chassis, when DB variable "udp.hash" is set to "ipport_stateless", UDP packets are disaggregated in a stateless, round-robin manner.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips