Bug ID 800101: BIG-IP chassis system may send out duplicated UDP packets to the server side

Last Modified: Nov 07, 2022

Bug Tracker

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

Known Affected Versions:
14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 15.0.0, 15.0.1, 15.0.1.1, 15.0.1.2, 15.0.1.3, 15.0.1.4

Fixed In:
15.1.0, 14.1.2.8

Opened: Jun 28, 2019
Severity: 3-Major

Symptoms

On a BIG-IP chassis based system, a single UDP packet on the client side flow may be duplicated and sent out to the server side.

Impact

Duplicated server side egress packets may cause server side processing error.

Conditions

When the UDP flow has been idle for more than 10 minutes and L2 entries for the flow in the broadcom switch have aged out.

Workaround

None

Fix Information

BIG-IP no longer sends out duplicated UDP egress packets on the server side.

Behavior Change