Bug ID 1217473: All the UDP traffic is sent to a single TMM

Last Modified: Jan 23, 2023

Bug Tracker

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

Known Affected Versions:
17.0.0, 17.0.0.1, 17.0.0.2

Opened: Jan 10, 2023
Severity: 3-Major

Symptoms

BIG-IP dataplane's VMXNET3 driver implementation is missing the Receive Side Scaling (RSS) support for the User Datagram Protocol (UDP) available as part of the VMXNET3 version 4.

Impact

The traffic distribution does not happen evenly across all TMMs but rather all of the UDP traffic is sent to a single TMM.

Conditions

BIG-IP VE instance is running on a VMWare host and handling UDP traffic.

Workaround

None

Fix Information

None

Behavior Change