Bug ID 851441: Improvement to MRF to enable spreading outgoing connections across TMMs

Last Modified: Jan 06, 2023

Bug Tracker

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

Known Affected Versions:
15.1.0,,,,,, 15.1.1, 15.1.2,, 15.1.3,, 15.1.4,, 15.1.5,, 15.1.6,, 15.1.7, 15.1.8,

Fixed In:

Opened: Nov 20, 2019
Severity: 4-Minor


In systems with a low number of connections, these connections may all exist on the same TMM. This causes uneven CPU usage and prematurely limits maximum message throughput.


-- Uneven CPU usage. -- The system will likely not reach the expected throughput.


-- Systems with a low number of connections. -- Connections are not evenly distributed between TMMs. -- This issue is exacerbated when the maximum message throughput is set to a lower value.



Fix Information

With this change, the system can be configured to create new outgoing connections on a different TMM than the TMM that is processing the traffic. This enables better CPU distribution and higher throughput.

Behavior Change